128231863713728

Names of 128231863713728

• Cardinal: 128231863713728 can be written as One hundred twenty-eight trillion, two hundred thirty-one billion, eight hundred sixty-three million, seven hundred thirteen thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.28231863713728 × 10¹⁴

Factors of 128231863713728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 263

Divisors of 128231863713728

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 4 8 16 23 32 46 47 64 92 94 184 188 191 368 376 382 529 736 752 764 1058 1081 1472 1504 1528 2116 2162 2209 3008 3056 4232 4324 4393 4418 6112 8464 8648 8786 8836 8977 12224 16928 17296 17572 17672 17954 24863 33856 34592 35144 35344 35908 36481 49726 50807 69184 70288 70688 71816 72962 99452 101039 101614 103823 140576 141376 143632 145924 198904 202078 203228 206471 207646 281152 287264 291848 397808 404156 406456 412942 415292 421919 574528 583696 795616 808312 812912 825884 830584 839063 843838 1167392 1168561 1591232 1616624 1625824 1651768 1661168 1678126 1687676 1714607 2334784 2337122 2387929 3233248 3251648 3303536 3322336 3356252 3375352 3429214 4674244 4748833 4775858 6466496 6607072 6644672 6712504 6750704 6858428 9348488 9497666 9551716 9704137 13214144 13425008 13501408 13716856 18696976 18995332 19103432 19298449 19408274 19830193 26850016 27002816 27433712 37393952 37990664 38206864 38596898 38816548 39435961 39660386 53700032 54867424 54922367 74787904 75981328 76413728 77193796 77633096 78871922 79320772 80586529 109734848 109844734 151962656 152827456 154387592 155266192 157743844 158641544 161173058 219689468 223195151 303925312 308775184 310532384 315487688 317283088 322346116 439378936 446390302 456094439 617550368 621064768 630975376 634566176 644692232 878757872 892780604 907027103 912188878 1235100736 1261950752 1269132352 1289384464 1757515744 1785561208 1814054206 1824377756 1853490167 2523901504 2578768928 3515031488 3571122416 3628108412 3648755512 3706980334 3787566863 5157537856 7142244832 7256216824 7297511024 7413960668 7575133726 10490172097 14284489664 14512433648 14595022048 14827921336 15150267452 20980344194 29024867296 29190044096 29655842672 30300534904 41960688388 42630273841 58049734592 59311685344 60601069808 83921376776 85260547682 87114037849 118623370688 121202139616 167842753552 170521095364 174228075698 242404279232 335685507104 341042190728 348456151396 671371014208 682084381456 696912302792 1364168762912 1393824605584 2003622870527 2728337525824 2787649211168 4007245741054 5575298422336 8014491482108 16028982964216 32057965928432 64115931856864 128231863713728
• Sum of all divisors σ(n): 273217681595040
• Sum of proper divisors (its aliquot sum) s(n): 144985817881312
• 128231863713728 is an abundant number, because the sum of its proper divisors (144985817881312) is greater than itself. Its abundance is 16753954167584

Bases of 128231863713728

• Binary: 11101001010000001001110101011110111111111000000₂
• Hexadecimal: 0x74A04EAF7FC0
• Base-36: 19GCWKT1A8

Squares and roots of 128231863713728

• 128231863713728 squared (128231863713728²) is 16443410871496111739935657984
• 128231863713728 cubed (128231863713728³) is 2108569221862522760159297763339941493604352
• The square root of 128231863713728 is 11323950.8879952319
• The cube root of 128231863713728 is 50427.2538457343

Scales and comparisons

• 128,231,863,713,728 seconds is equal to 4,077,376 years, 32 weeks, 1 day, 6 hours, 42 minutes, 8 seconds.
• To count from 1 to 128,231,863,713,728 would take you about ten million, one hundred ninety-three thousand, four hundred forty-one 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 128231863713728 cubic inches would be around 4202.3 feet tall.

Recreational maths with 128231863713728

• 128231863713728 backwards is 827317368132821
• The number of decimal digits it has is: 15
• The sum of 128231863713728's digits is 62
• More coming soon!