72145986724

Names of 72145986724

• Cardinal: 72145986724 can be written as Seventy-two billion, one hundred forty-five million, nine hundred eighty-six thousand, seven hundred twenty-four.

Scientific notation

• Scientific notation: 7.2145986724 × 10¹⁰

Factors of 72145986724

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 418

Divisors of 72145986724

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 14 17 19 28 34 38 49 67 68 73 76 98 119 133 134 146 196 233 238 266 268 292 323 466 469 476 511 532 646 833 931 932 938 1022 1139 1241 1273 1292 1387 1631 1666 1862 1876 2044 2261 2278 2482 2546 2774 3262 3283 3332 3577 3724 3961 4427 4522 4556 4891 4964 5092 5548 6524 6566 7154 7922 7973 8687 8854 8911 9044 9709 9782 11417 13132 14308 15611 15827 15844 15946 17009 17374 17708 17822 19418 19564 21641 22834 23579 27727 30989 31222 31654 31892 34018 34237 34748 35644 38836 43282 45668 47158 55454 55811 60809 61978 62377 62444 63308 67963 68036 68474 75259 83147 86564 92929 94316 109277 110908 111622 119063 121618 123956 124754 135926 136948 150518 151487 165053 166294 185858 194089 216923 218554 223244 238126 239659 243236 249508 265387 271852 289153 296609 301036 302974 323171 330106 332588 371716 388178 433846 437108 476252 479318 526813 530774 578306 582029 593218 605948 646342 650503 660212 764939 776356 833441 867692 958636 1053626 1060409 1061548 1139603 1155371 1156612 1164058 1186436 1292684 1301006 1529878 1579793 1666882 1857709 2024071 2076263 2107252 2120818 2262197 2279206 2310742 2328116 2602012 3059756 3159586 3333764 3687691 3715418 4048142 4074203 4152526 4241636 4524394 4553521 4558412 4621484 5042353 5493907 6319172 7375382 7430836 7977221 8096284 8148406 8305052 9048788 9107042 10084706 10987814 11058551 13003963 14168497 14533841 14750764 15835379 15954442 16296812 18214084 19373251 20169412 21652457 21975628 22117102 26007926 28336994 29067682 31670758 31908884 35296471 38457349 38746502 43304914 44234204 52015852 55840547 56673988 58135364 63341516 70592942 76914698 77409857 77493004 86609828 111681094 135612757 141185884 151567199 153829396 154819714 223362188 247075297 269201443 271225514 303134398 309639428 368091769 494150594 538402886 542451028 606268796 736183538 949289299 988301188 1060970393 1076805772 1472367076 1898578598 2121940786 2576642383 3797157196 4243881572 5153284766 10306569532 18036496681 36072993362 72145986724
• Sum of all divisors σ(n): 169134376320
• Sum of proper divisors (its aliquot sum) s(n): 96988389596
• 72145986724 is an abundant number, because the sum of its proper divisors (96988389596) is greater than itself. Its abundance is 24842402872

Bases of 72145986724

• Binary: 1000011001100001111000110010010100100₂
• Hexadecimal: 0x10CC3C64A4
• Base-36: X55UVMS

Squares and roots of 72145986724

• 72145986724 squared (72145986724²) is 5205043400379584252176
• 72145986724 cubed (72145986724³) is 375522992061629302018129164111424
• The square root of 72145986724 is 268600.0497468309
• The cube root of 72145986724 is 4162.9774573789

Scales and comparisons

• 72,145,986,724 seconds is equal to 2,294 years, 6 days, 23 hours, 52 minutes, 4 seconds.
• To count from 1 to 72,145,986,724 would take you about four thousand, five hundred eighty-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 72145986724 cubic inches would be around 346.9 feet tall.

Recreational maths with 72145986724

• 72145986724 backwards is 42768954127
• The number of decimal digits it has is: 11
• The sum of 72145986724's digits is 55
• More coming soon!