12870789657728

Names of 12870789657728

• Cardinal: 12870789657728 can be written as Twelve trillion, eight hundred seventy billion, seven hundred eighty-nine million, six hundred fifty-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.2870789657728 × 10¹³

Factors of 12870789657728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 853

Divisors of 12870789657728

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 8 16 17 23 32 34 46 64 68 92 128 136 184 272 289 368 391 529 544 578 736 782 811 1058 1088 1156 1472 1564 1622 2116 2176 2312 2944 3128 3244 4232 4624 6256 6488 6647 8464 8993 9248 12512 12976 13294 13787 16928 17986 18496 18653 25024 25952 26588 27574 33856 35972 36992 37306 50048 51904 53176 55148 67712 71944 74612 103808 106352 110296 143888 149224 152881 212704 220592 234379 287776 298448 305762 317101 425408 429019 441184 468758 575552 596896 611524 634202 657721 850816 858038 882368 937516 1151104 1193792 1223048 1268404 1315442 1716076 1764736 1875032 2387584 2446096 2536808 2630884 3432152 3750064 4892192 5073616 5261768 5390717 6864304 7293323 7500128 9784384 10147232 10523536 10781434 11181257 13728608 14586646 15000256 15127583 19568768 20294464 21047072 21562868 22362514 27457216 29173292 30000512 30255166 40588928 42094144 43125736 44725028 54914432 58346584 60510332 84188288 86251472 89450056 116693168 121020664 123986491 172502944 178900112 190081369 233386336 242041328 247972982 257168911 345005888 347934409 357800224 380162738 466772672 484082656 495945964 514337822 690011776 695868818 715600448 760325476 933545344 968165312 991891928 1028675644 1391737636 1431200896 1520650952 1936330624 1983783856 2057351288 2783475272 3041301904 3967567712 4114702576 4371871487 5566950544 5914884953 6082603808 7935135424 8229405152 8743742974 11133901088 11829769906 12165207616 15870270848 16458810304 17487485948 22267802176 23659539812 24330415232 32917620608 34974971896 44535604352 47319079624 69949943792 94638159248 100553044201 139899887584 189276318496 201106088402 279799775168 378552636992 402212176804 559599550336 757105273984 804424353608 1608848707216 3217697414432 6435394828864 12870789657728
• Sum of all divisors σ(n): 28508950515465
• Sum of proper divisors (its aliquot sum) s(n): 15638160857737
• 12870789657728 is an abundant number, because the sum of its proper divisors (15638160857737) is greater than itself. Its abundance is 2767371200009

Bases of 12870789657728

• Binary: 10111011010010110110110110000111010010000000₂
• Hexadecimal: 0xBB4B6D87480
• Base-36: 4K8RBUJCW

Squares and roots of 12870789657728

• 12870789657728 squared (12870789657728²) is 165657226413478047390121984
• 12870789657728 cubed (12870789657728³) is 2132139316450498918574349894135528292352
• The square root of 12870789657728 is 3587588.2787365665
• The cube root of 12870789657728 is 23435.1856141433

Scales and comparisons

• 12,870,789,657,728 seconds is equal to 409,251 years, 15 weeks, 3 days, 21 hours, 22 minutes, 8 seconds.
• To count from 1 to 12,870,789,657,728 would take you about one million, twenty-three thousand, one hundred twenty-eight 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 12870789657728 cubic inches would be around 1952.9 feet tall.

Recreational maths with 12870789657728

• 12870789657728 backwards is 82775698707821
• The number of decimal digits it has is: 14
• The sum of 12870789657728's digits is 77
• More coming soon!