72978808968

Names of 72978808968

• Cardinal: 72978808968 can be written as Seventy-two billion, nine hundred seventy-eight million, eight hundred eight thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 7.2978808968 × 10¹⁰

Factors of 72978808968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 128

Divisors of 72978808968

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 31 36 39 52 62 72 78 79 93 104 117 124 156 158 169 186 234 237 248 279 312 316 338 372 403 468 474 507 558 632 676 711 744 806 936 948 961 1014 1027 1116 1209 1352 1422 1521 1612 1896 1922 2028 2054 2232 2418 2449 2844 2883 3042 3081 3224 3627 3844 4056 4108 4836 4898 5239 5688 5766 6084 6162 6241 7254 7347 7688 8216 8649 9243 9672 9796 10478 11532 12168 12324 12482 12493 13351 14508 14694 15717 17298 18486 18723 19592 20956 22041 23064 24648 24964 24986 26702 29016 29388 31434 31837 34596 36972 37446 37479 40053 41912 44082 47151 49928 49972 53404 56169 58776 62868 63674 69192 73944 74892 74958 75919 80106 81133 88164 94302 95511 99944 106808 112338 112437 120159 125736 127348 149784 149916 151838 160212 162266 162409 176328 188604 191022 193471 224676 224874 227757 240318 243399 254696 286533 299832 303676 320424 324532 324818 377208 382044 386942 413881 449352 449748 455514 480636 486798 487227 573066 580413 607352 649064 649636 683271 730197 764088 773884 827762 899496 911028 961272 973596 974454 986947 1054729 1146132 1160826 1241643 1299272 1366542 1460394 1461681 1547768 1655524 1741239 1822056 1947192 1948908 1973894 2109458 2292264 2321652 2483286 2515123 2733084 2920788 2923362 2960841 3164187 3311048 3482478 3724929 3897816 3947788 4218916 4643304 4966572 5030246 5466168 5841576 5846724 5921682 5997601 6328374 6964956 7449858 7545369 7895576 8437832 8882523 9492561 9933144 10060492 11693448 11843364 11995202 12656748 12830311 13929912 14899716 15090738 17765046 17992803 18985122 20120984 22636107 23686728 23990404 25313496 25660622 29799432 30181476 32696599 35530092 35985606 37970244 38490933 45272214 47980808 51321244 53978409 60362952 65393198 71060184 71971212 75940488 76981866 77968813 90544428 98089797 102642488 107956818 115472799 130786396 143942424 153963732 155937626 181088856 196179594 215913636 230945598 233906439 261572792 294269391 307927464 311875252 392359188 431827272 461891196 467812878 588538782 623750504 701719317 784718376 923782392 935625756 1013594569 1177077564 1403438634 1871251512 2027189138 2354155128 2806877268 3040783707 4054378276 5613754536 6081567414 8108756552 9122351121 12163134828 18244702242 24326269656 36489404484 72978808968
• Sum of all divisors σ(n): 223985930805
• Sum of proper divisors (its aliquot sum) s(n): 151007121837
• 72978808968 is an abundant number, because the sum of its proper divisors (151007121837) is greater than itself. Its abundance is 78028312869

Bases of 72978808968

• Binary: 1000011111101111000000100000010001000₂
• Hexadecimal: 0x10FDE04088
• Base-36: XIXP5E0

Squares and roots of 72978808968

• 72978808968 squared (72978808968²) is 5325906558387837225024
• 72978808968 cubed (72978808968³) is 388678317306004310899705725215232
• The square root of 72978808968 is 270145.9031116333
• The cube root of 72978808968 is 4178.9347530855

Scales and comparisons

• 72,978,808,968 seconds is equal to 2,320 years, 26 weeks, 3 hours, 22 minutes, 48 seconds.
• To count from 1 to 72,978,808,968 would take you about four thousand, six 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 72978808968 cubic inches would be around 348.2 feet tall.

Recreational maths with 72978808968

• 72978808968 backwards is 86980887927
• 72978808968 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72978808968's digits is 72
• More coming soon!