15128899968

Names of 15128899968

• Cardinal: 15128899968 can be written as Fifteen billion, one hundred twenty-eight million, eight hundred ninety-nine thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.5128899968 × 10¹⁰

Factors of 15128899968

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1357

Divisors of 15128899968

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 64 78 84 91 96 104 112 128 156 168 182 192 208 224 273 312 336 364 384 416 448 546 563 624 672 728 769 832 896 1092 1126 1248 1344 1456 1538 1664 1689 2184 2252 2307 2496 2688 2912 3076 3378 3941 4368 4504 4614 4992 5383 5824 6152 6756 7319 7882 8736 9008 9228 9997 10766 11648 11823 12304 13512 14638 15764 16149 17472 18016 18456 19994 21532 21957 23646 24608 27024 29276 29991 31528 32298 34944 36032 36912 39988 43064 43914 47292 49216 51233 54048 58552 59982 63056 64596 69979 72064 73824 79976 86128 87828 94584 98432 102466 108096 117104 119964 126112 129192 139958 147648 153699 159952 172256 175656 189168 204932 209937 216192 234208 239928 252224 258384 279916 295296 307398 319904 344512 351312 378336 409864 419874 432947 468416 479856 504448 516768 559832 614796 639808 689024 702624 756672 819728 839748 865894 936832 959712 1033536 1119664 1229592 1279616 1298841 1405248 1513344 1639456 1679496 1731788 1919424 2067072 2239328 2459184 2597682 2810496 3030629 3278912 3358992 3463576 3838848 4478656 4918368 5195364 5628311 6061258 6557824 6717984 6927152 8957312 9091887 9836736 10390728 11256622 12122516 13435968 13854304 16884933 18183774 19673472 20781456 22513244 24245032 26871936 27708608 33769866 36367548 39398177 41562912 45026488 48490064 55417216 67539732 72735096 78796354 83125824 90052976 96980128 118194531 135079464 145470192 157592708 166251648 180105952 193960256 236389062 270158928 290940384 315185416 360211904 387920512 472778124 540317856 581880768 630370832 720423808 945556248 1080635712 1163761536 1260741664 1891112496 2161271424 2521483328 3782224992 5042966656 7564449984 15128899968
• Sum of all divisors σ(n): 49612147200
• Sum of proper divisors (its aliquot sum) s(n): 34483247232
• 15128899968 is an abundant number, because the sum of its proper divisors (34483247232) is greater than itself. Its abundance is 19354347264

Bases of 15128899968

• Binary: 1110000101110000001011000110000000₂
• Hexadecimal: 0x385C0B180
• Base-36: 6Y7CTXC

Squares and roots of 15128899968

• 15128899968 squared (15128899968²) is 228883614241750401024
• 15128899968 cubed (15128899968³) is 3462757304177741986315980767232
• The square root of 15128899968 is 122999.5933651815
• The cube root of 15128899968 is 2473.2562607433

Scales and comparisons

• 15,128,899,968 seconds is equal to 481 years, 2 weeks, 5 days, 12 minutes, 48 seconds.
• To count from 1 to 15,128,899,968 would take you about nine hundred sixty-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 15128899968 cubic inches would be around 206.1 feet tall.

Recreational maths with 15128899968

• 15128899968 backwards is 86999882151
• The number of decimal digits it has is: 11
• The sum of 15128899968's digits is 66
• More coming soon!