72890368512

Names of 72890368512

• Cardinal: 72890368512 can be written as Seventy-two billion, eight hundred ninety million, three hundred sixty-eight thousand, five hundred twelve.

Scientific notation

• Scientific notation: 7.2890368512 × 10¹⁰

Factors of 72890368512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 778

Divisors of 72890368512

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 17 24 26 32 34 39 48 51 52 64 68 78 96 102 104 128 136 156 192 204 208 221 256 272 289 312 384 408 416 442 512 544 578 624 663 743 768 816 832 867 884 1088 1156 1248 1326 1486 1536 1632 1664 1734 1768 2176 2229 2312 2496 2652 2972 3264 3328 3468 3536 3757 4352 4458 4624 4913 4992 5304 5944 6528 6656 6936 7072 7514 8704 8916 9248 9659 9826 9984 10608 11271 11888 12631 13056 13872 14144 14739 15028 17832 18496 19318 19652 19968 21216 22542 23776 25262 26112 27744 28288 28977 29478 30056 35664 36992 37893 38636 39304 42432 45084 47552 50524 55488 56576 57954 58956 60112 63869 71328 73984 75786 77272 78608 84864 90168 95104 101048 110976 113152 115908 117912 120224 127738 142656 147968 151572 154544 157216 164203 169728 180336 190208 191607 202096 214727 221952 231816 235824 240448 255476 285312 303144 309088 314432 328406 339456 360672 380416 383214 404192 429454 443904 463632 471648 480896 492609 510952 570624 606288 618176 628864 644181 656812 721344 766428 808384 858908 927264 943296 961792 985218 1021904 1141248 1212576 1236352 1257728 1288362 1313624 1442688 1532856 1616768 1717816 1854528 1886592 1923584 1970436 2043808 2425152 2472704 2515456 2576724 2627248 2791451 2885376 3065712 3233536 3435632 3650359 3709056 3773184 3940872 4087616 4850304 4945408 5153448 5254496 5582902 5770752 6131424 6467072 6871264 7300718 7418112 7546368 7881744 8175232 8374353 9700608 10306896 10508992 10951077 11165804 12262848 13742528 14601436 14836224 15763488 16350464 16748706 19401216 20613792 21017984 21902154 22331608 24525696 27485056 29202872 31526976 32700928 33497412 41227584 42035968 43804308 44663216 47454667 49051392 54970112 58405744 63053952 66994824 82455168 84071936 87608616 89326432 94909334 98102784 109940224 116811488 126107904 133989648 142364001 164910336 175217232 178652864 189818668 233622976 252215808 267979296 284728002 329820672 350434464 357305728 379637336 467245952 535958592 569456004 700868928 714611456 759274672 934491904 1071917184 1138912008 1401737856 1429222912 1518549344 1868983808 2143834368 2277824016 2803475712 3037098688 4287668736 4555648032 5606951424 6074197376 9111296064 12148394752 18222592128 24296789504 36445184256 72890368512
• Sum of all divisors σ(n): 222488259840
• Sum of proper divisors (its aliquot sum) s(n): 149597891328
• 72890368512 is an abundant number, because the sum of its proper divisors (149597891328) is greater than itself. Its abundance is 76707522816

Bases of 72890368512

• Binary: 1000011111000100110101100001000000000₂
• Hexadecimal: 0x10F89AC200
• Base-36: XHH1KAO

Squares and roots of 72890368512

• 72890368512 squared (72890368512²) is 5313005821815161094144
• 72890368512 cubed (72890368512³) is 387266952258508500900801285193728
• The square root of 72890368512 is 269982.1633219499
• The cube root of 72890368512 is 4177.2459692799

Scales and comparisons

• 72,890,368,512 seconds is equal to 2,317 years, 35 weeks, 5 days, 12 hours, 35 minutes, 12 seconds.
• To count from 1 to 72,890,368,512 would take you about four thousand, six hundred thirty-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 72890368512 cubic inches would be around 348.1 feet tall.

Recreational maths with 72890368512

• 72890368512 backwards is 21586309827
• 72890368512 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72890368512's digits is 51
• More coming soon!