72130291555728

Names of 72130291555728

• Cardinal: 72130291555728 can be written as Seventy-two trillion, one hundred thirty billion, two hundred ninety-one million, five hundred fifty-five thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 7.2130291555728 × 10¹³

Factors of 72130291555728

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 922960

Divisors of 72130291555728

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 19 21 24 28 37 38 42 48 56 57 74 76 84 111 112 114 133 148 152 168 222 228 259 266 296 304 331 336 399 444 456 518 532 592 662 703 777 798 888 912 993 1036 1064 1324 1406 1554 1596 1776 1986 2072 2109 2128 2317 2648 2812 3108 3192 3972 4144 4218 4634 4921 5296 5624 6216 6289 6384 6951 7944 8436 9268 9842 11248 12247 12432 12578 13902 14763 15888 16872 18536 18867 19684 24494 25156 27804 29526 33744 36741 37072 37734 39368 44023 48988 50312 55608 59052 73482 75468 78736 85729 88046 97976 100624 111216 118104 132069 146964 150936 171458 176092 195952 232693 236208 257187 264138 293928 301872 342916 352184 465386 514374 528276 587856 685832 698079 704368 922561 930772 1028748 1056552 1371664 1396158 1628851 1845122 1861544 2057496 2113104 2767683 2792316 3257702 3690244 3723088 4114992 4886553 5535366 5584632 6457927 6515404 7380488 9773106 11070732 11169264 12915854 13030808 14760976 17528659 19373781 19546212 22141464 25831708 26061616 34134757 35057318 38747562 39092424 44282928 51663416 52585977 68269514 70114636 77495124 78184848 102404271 103326832 105171954 122700613 136539028 140229272 154990248 204808542 210343908 238943299 245401226 273078056 280458544 305367691 309980496 368101839 409617084 420687816 477886598 490802452 546156112 610735382 648560383 716829897 736203678 819234168 841375632 916103073 955773196 981604904 1221470764 1297120766 1433659794 1472407356 1638468336 1832206146 1911546392 1945681149 1963209808 2137573837 2442941528 2594241532 2867319588 2944814712 3664412292 3823092784 3891362298 4275147674 4539922681 4885883056 5188483064 5734639176 5801986129 5889629424 6412721511 7328824584 7782724596 8550295348 9079845362 10376966128 11298604567 11469278352 11603972258 12825443022 13619768043 14657649168 15565449192 17100590696 17405958387 18159690724 22597209134 23207944516 25650886044 27239536086 31130898384 33895813701 34201181392 34811916774 36319381448 40613902903 45194418268 46415889032 51301772088 54479072172 67791627402 69623833548 72638762896 79090231969 81227805806 90388836536 92831778064 102603544176 108958144344 121841708709 135583254804 139247667096 158180463938 162455611612 180777673072 214673486773 217916288688 237270695907 243683417418 271166509608 278495334192 316360927876 324911223224 429346973546 474541391814 487366834836 542333019216 632721855752 644020460319 649822446448 858693947092 949082783628 974733669672 1265443711504 1288040920638 1502714407411 1717387894184 1898165567256 1949467339344 2576081841276 3005428814822 3434775788368 3796331134512 4508143222233 5152163682552 6010857629644 9016286444466 10304327365104 12021715259288 18032572888932 24043430518576 36065145777864 72130291555728
• Sum of all divisors σ(n): 230918597089280
• Sum of proper divisors (its aliquot sum) s(n): 158788305533552
• 72130291555728 is an abundant number, because the sum of its proper divisors (158788305533552) is greater than itself. Its abundance is 86658013977824

Bases of 72130291555728

• Binary: 10000011001101000100100011001111101110110010000₂
• Hexadecimal: 0x419A2467DD90
• Base-36: PKG758RDC

Squares and roots of 72130291555728

• 72130291555728 squared (72130291555728²) is 5202778959914326022529609984
• 72130291555728 cubed (72130291555728³) is 375277963278627616909201896110760441188352
• The square root of 72130291555728 is 8492955.4076144777
• The cube root of 72130291555728 is 41626.7555391293

Scales and comparisons

• 72,130,291,555,728 seconds is equal to 2,293,520 years, 8 weeks, 1 day, 10 hours, 48 minutes, 48 seconds.
• To count from 1 to 72,130,291,555,728 would take you about five million, seven hundred thirty-three thousand, eight hundred 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 72130291555728 cubic inches would be around 3468.9 feet tall.

Recreational maths with 72130291555728

• 72130291555728 backwards is 82755519203127
• 72130291555728 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 72130291555728's digits is 57
• More coming soon!