Numbers 9,200,000,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

9,100,000,0009,200,000,0009,300,000,0009,400,000,000

9,500,000,0009,600,000,0009,700,000,0009,800,000,000 – 9,900,000,000

[1B] – [2B] – [3B] – [4B] – [5B] – [6B] – [7B] – [8B]  – [9B] & [10B]

1  - 10 - 100  - 1000 - 10,000 - 100,000 - 1M - 10M - 100M1B10B - 100B - 1T - 10T - 100T - 1Q ...

9,228,778,026

[Math.]   The 14th square number that is also a triangular number: 9,228,778,0262 = 1+2+…+13,051,463,048. Each root number in the series is 6 times the previous root number minus the earlier root number: 1, 62, 352, 2042, 11892

9,243,091,881

[Math.]   Sum of the first 438 cube numbers:

13+…+4383 = 9,327,696,400 = (1+2+…+438)2 = 96,1412.

x,yzw,abc,def

[Math.]  For any x,yzw = 1000 to 9999, there are always six 6-digit numbers abc,edf such that x,yzw +abc,def is equal to one of 6 digit-rotations of 142,857 and the number x,yzw,abc,def is a multiple of 142,857.

For any x,yzw = 1000 to 9999, there are always twelve 6-digit numbers abc,edf such that x,yzw +abc,def is equal to one of 12 digit-rotations of 076,923 or 153,846 and the number x,yzw,abc,def is a multiple of 76,923.