123478704128

Names of 123478704128

• Cardinal: 123478704128 can be written as One hundred twenty-three billion, four hundred seventy-eight million, seven hundred four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.23478704128 × 10¹¹

Factors of 123478704128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 91

Divisors of 123478704128

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 8 13 16 17 26 32 34 52 59 64 68 104 118 128 136 208 221 236 256 272 289 416 442 472 512 544 578 767 832 884 944 1003 1024 1088 1156 1534 1664 1768 1888 2006 2048 2176 2312 3068 3328 3536 3757 3776 4012 4096 4352 4624 4913 6136 6656 7072 7514 7552 8024 8192 8704 9248 9826 12272 13039 13312 14144 15028 15104 16048 16384 17051 17408 18496 19652 24544 26078 26624 28288 30056 30208 32096 32768 34102 34816 36992 39304 49088 52156 53248 56576 60112 60416 63869 64192 68204 69632 73984 78608 98176 104312 106496 113152 120224 120832 127738 128384 136408 139264 147968 157216 196352 208624 212992 221663 226304 240448 241664 255476 256768 272816 278528 289867 295936 314432 392704 417248 425984 443326 452608 480896 483328 510952 513536 545632 557056 579734 591872 628864 785408 834496 886652 905216 961792 966656 1021904 1027072 1091264 1159468 1183744 1257728 1570816 1668992 1773304 1810432 1923584 1933312 2043808 2054144 2182528 2318936 2367488 2515456 3141632 3337984 3546608 3620864 3768271 3847168 4087616 4108288 4365056 4637872 4734976 5030912 6283264 6675968 7093216 7241728 7536542 7694336 8175232 8216576 8730112 9275744 9469952 10061824 12566528 13351936 14186432 15073084 15388672 16350464 16433152 17460224 18551488 20123648 25133056 26703872 28372864 30146168 30777344 32700928 32866304 34920448 37102976 40247296 53407744 56745728 60292336 61554688 65401856 69840896 74205952 80494592 106815488 113491456 120584672 123109376 130803712 139681792 148411904 160989184 213630976 226982912 241169344 261607424 279363584 296823808 427261952 453965824 482338688 523214848 558727168 593647616 907931648 964677376 1046429696 1187295232 1815863296 1929354752 2092859392 2374590464 3631726592 3858709504 4749180928 7263453184 7717419008 9498361856 15434838016 30869676032 61739352064 123478704128
• Sum of all divisors σ(n): 287357868000
• Sum of proper divisors (its aliquot sum) s(n): 163879163872
• 123478704128 is an abundant number, because the sum of its proper divisors (163879163872) is greater than itself. Its abundance is 40400459744

Bases of 123478704128

• Binary: 1110010111111111001111000000000000000₂
• Hexadecimal: 0x1CBFE78000
• Base-36: 1KQ415VK

Squares and roots of 123478704128

• 123478704128 squared (123478704128²) is 15246990373130164240384
• 123478704128 cubed (123478704128³) is 1882678613126203871470421805105152
• The square root of 123478704128 is 351395.3672546069
• The cube root of 123478704128 is 4979.6332064275

Scales and comparisons

• 123,478,704,128 seconds is equal to 3,926 years, 12 weeks, 3 days, 16 hours, 2 minutes, 8 seconds.
• To count from 1 to 123,478,704,128 would take you about seven thousand, eight hundred fifty-two years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 123478704128 cubic inches would be around 415 feet tall.

Recreational maths with 123478704128

• 123478704128 backwards is 821407874321
• The number of decimal digits it has is: 12
• The sum of 123478704128's digits is 47
• More coming soon!