The ekatommyrillion is equal to 103,000,000.[1]

Aarex Tiaokhiao calls this number blastillion.[2]

André Joyce calls this number googodbar, and it's equal to 1,000,000500,000.[3]


Notation Lower bound Upper bound
Scientific notation \(1\times10^{3\,000\,000}\)
Arrow notation \(10\uparrow3\,000\,000\)
Steinhaus-Moser Notation 6[3][3] 7[3][3]
Copy notation 2[2[7]] 3[3[7]]
Taro's multivariable Ackermann function A(3,A(3,20)) A(3,A(3,21))
Pound-Star Notation #*((1652770))*705 #*((1652771))*705
BEAF {10,3000000}
Hyper-E notation E(3E6)
Bashicu matrix system (0)(1)[20] (0)(1)[21]
Hyperfactorial array notation (9!)! (10!)!
Fast-growing hierarchy \(f_2(f_2(19))\) \(f_2(f_2(20))\)
Hardy hierarchy \(H_{\omega^22}(19)\) \(H_{\omega^22}(20)\)
Slow-growing hierarchy \(g_{\omega^{\omega^63}}(10)\)

Sources Edit

  1. Russ Rowlett's Greek Based -illions
  2. Aarex Tiaokhiao's large numbers site
  3. Googology