123998131128

Names of 123998131128

• Cardinal: 123998131128 can be written as One hundred twenty-three billion, nine hundred ninety-eight million, one hundred thirty-one thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.23998131128 × 10¹¹

Factors of 123998131128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4549

Divisors of 123998131128

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 12 24 61 73 122 146 183 219 244 281 292 366 438 488 562 584 732 843 876 1124 1464 1686 1752 2248 3372 4129 4453 6744 8258 8906 12387 13359 16516 17141 17812 20513 24774 26718 33032 34282 35624 41026 49548 51423 53436 61539 68564 82052 99096 102846 106872 123078 137128 164104 205692 246156 251869 301417 411384 492312 503738 602834 755607 904251 1007476 1160249 1205668 1251293 1511214 1808502 2014952 2320498 2411336 2502586 3022428 3480747 3617004 3753879 4640996 5005172 6044856 6961494 7234008 7507758 9281992 10010344 13922988 15015516 18386437 27845976 30031032 36772874 55159311 70775189 73545748 84698177 110318622 141550378 147091496 169396354 212325567 220637244 254094531 283100756 338792708 424651134 441274488 508189062 566201512 677585416 849302268 1016378124 1698604536 2032756248 5166588797 10333177594 15499766391 20666355188 30999532782 41332710376 61999065564 123998131128
• Sum of all divisors σ(n): 320607604800
• Sum of proper divisors (its aliquot sum) s(n): 196609473672
• 123998131128 is an abundant number, because the sum of its proper divisors (196609473672) is greater than itself. Its abundance is 72611342544

Bases of 123998131128

• Binary: 1110011011110110111010101001110111000₂
• Hexadecimal: 0x1CDEDD53B8
• Base-36: 1KYPAABC

Squares and roots of 123998131128

• 123998131128 squared (123998131128²) is 15375536523236682552384
• 123998131128 cubed (123998131128³) is 1906537793971655382110220961009152
• The square root of 123998131128 is 352133.6836032589
• The cube root of 123998131128 is 4986.6059000295

Scales and comparisons

• 123,998,131,128 seconds is equal to 3,942 years, 39 weeks, 2 days, 13 hours, 18 minutes, 48 seconds.
• To count from 1 to 123,998,131,128 would take you about seven thousand, eight hundred eighty-five 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 123998131128 cubic inches would be around 415.6 feet tall.

Recreational maths with 123998131128

• 123998131128 backwards is 821131899321
• The number of decimal digits it has is: 12
• The sum of 123998131128's digits is 48
• More coming soon!