21349400781312

Names of 21349400781312

• Cardinal: 21349400781312 can be written as Twenty-one trillion, three hundred forty-nine billion, four hundred million, seven hundred eighty-one thousand, three hundred twelve.

Scientific notation

• Scientific notation: 2.1349400781312 × 10¹³

Factors of 21349400781312

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 2526

Divisors of 21349400781312

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 243 256 288 324 384 432 486 512 576 648 729 768 864 972 1152 1296 1458 1536 1728 1944 2187 2304 2521 2592 2916 3456 3888 4374 4608 5042 5184 5832 6561 6912 7563 7776 8748 10084 10368 11664 13122 13824 15126 15552 17496 20168 20736 22689 23328 26244 30252 31104 34992 40336 41472 45378 46656 52488 60504 62208 68067 69984 80672 90756 93312 104976 121008 124416 136134 139968 161344 181512 186624 204201 209952 242016 272268 279936 322688 363024 373248 408402 419904 484032 544536 559872 612603 645376 726048 816804 839808 968064 1089072 1119744 1225206 1290752 1452096 1633608 1679616 1837809 1936128 2178144 2450412 2904192 3267216 3359232 3675618 3872256 4356288 4900824 5513427 5808384 6355441 6534432 7351236 8712576 9801648 11026854 11616768 12710882 13068864 14702472 16540281 17425152 19066323 19603296 22053708 25421764 26137728 29404944 33080562 34850304 38132646 39206592 44107416 50843528 52275456 57198969 58809888 66161124 76265292 78413184 88214832 101687056 104550912 114397938 117619776 132322248 152530584 156826368 171596907 176429664 203374112 228795876 235239552 264644496 305061168 313652736 343193814 352859328 406748224 457591752 470479104 514790721 529288992 610122336 686387628 705718656 813496448 915183504 940958208 1029581442 1058577984 1220244672 1372775256 1411437312 1544372163 1626992896 1830367008 2059162884 2117155968 2440489344 2745550512 2822874624 3088744326 3253985792 3660734016 4118325768 4234311936 4633116489 4880978688 5491101024 6177488652 7321468032 8236651536 8468623872 9266232978 9761957376 10982202048 12354977304 13899349467 14642936064 16473303072 18532465956 21964404096 24709954608 27798698934 29285872128 32946606144 37064931912 41698048401 43928808192 49419909216 55597397868 65893212288 74129863824 83396096802 87857616384 98839818432 111194795736 131786424576 148259727648 166792193604 197679636864 222389591472 263572849152 296519455296 333584387208 395359273728 444779182944 593038910592 667168774416 790718547456 889558365888 1186077821184 1334337548832 1779116731776 2372155642368 2668675097664 3558233463552 5337350195328 7116466927104 10674700390656 21349400781312
• Sum of all divisors σ(n): 64007794302309
• Sum of proper divisors (its aliquot sum) s(n): 42658393520997
• 21349400781312 is an abundant number, because the sum of its proper divisors (42658393520997) is greater than itself. Its abundance is 21308992739685

Bases of 21349400781312

• Binary: 100110110101011001011011100110010001000000000₂
• Hexadecimal: 0x136ACB732200
• Base-36: 7KFS20000

Squares and roots of 21349400781312

• 21349400781312 squared (21349400781312²) is 455796913721085436048441344
• 21349400781312 cubed (21349400781312³) is 9730990985916539661621297839473403363328
• The square root of 21349400781312 is 4620541.1784023741
• The cube root of 21349400781312 is 27741.4120680869

Scales and comparisons

• 21,349,400,781,312 seconds is equal to 678,844 years, 47 weeks, 1 day, 1 hour, 55 minutes, 12 seconds.
• To count from 1 to 21,349,400,781,312 would take you about one million, six hundred ninety-seven thousand, one hundred twelve 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 21349400781312 cubic inches would be around 2311.8 feet tall.

Recreational maths with 21349400781312

• 21349400781312 backwards is 21318700494312
• The number of decimal digits it has is: 14
• The sum of 21349400781312's digits is 45
• More coming soon!