72151249723128

Names of 72151249723128

• Cardinal: 72151249723128 can be written as Seventy-two trillion, one hundred fifty-one billion, two hundred forty-nine million, seven hundred twenty-three thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 7.2151249723128 × 10¹³

Factors of 72151249723128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 912

Divisors of 72151249723128

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 9 12 17 18 24 27 31 34 36 51 54 62 68 72 93 102 108 124 136 153 186 204 216 248 279 306 372 408 459 527 558 612 744 837 859 918 1054 1116 1224 1581 1674 1718 1836 2108 2232 2577 3162 3348 3436 3672 4216 4743 5154 6324 6696 6872 7731 9486 10308 12648 14229 14603 15462 18972 20616 23193 26629 28458 29206 30924 37944 43809 46386 53258 56916 58412 61848 79887 87618 92772 106516 113832 116824 131427 159774 175236 185544 213032 239661 262854 319548 350472 394281 452693 479322 525708 639096 718983 737881 788562 905386 958644 1051416 1358079 1437966 1475762 1577124 1810772 1917288 2213643 2716158 2875932 2951524 3154248 3621544 4074237 4427286 5432316 5751864 5903048 6640929 8148474 8854572 10864632 12222711 12543977 13281858 16296948 17709144 19922787 22874311 24445422 25087954 26563716 32593896 37631931 39845574 45748622 48890844 50175908 53127432 68622933 75263862 79691148 91497244 97781688 100351816 112895793 137245866 150527724 159382296 182994488 205868799 225791586 274491732 301055448 338687379 388863287 411737598 451583172 548983464 617606397 633839779 677374758 777726574 823475196 903166344 1166589861 1235212794 1267679558 1354749516 1555453148 1646950392 1901519337 2333179722 2470425588 2535359116 2709499032 3110906296 3499769583 3803038674 4666359444 4940851176 5070718232 5704558011 6999539166 7606077348 9332718888 10499308749 10775276243 11409116022 13999078332 15212154696 17113674033 19649033149 20998617498 21550552486 22818232044 27998156664 32325828729 34227348066 39298066298 41997234996 43101104972 45636464088 58947099447 64651657458 68454696132 78596132596 83994469992 86202209944 96977486187 117894198894 129303314916 136909392264 157192265192 176841298341 193954972374 235788397788 258606629832 290932458561 334033563533 353682596682 387909944748 471576795576 530523895023 581864917122 668067127066 707365193364 775819889496 1002100690599 1061047790046 1163729834244 1336134254132 1414730386728 2004201381198 2122095580092 2327459668488 2672268508264 3006302071797 4008402762396 4244191160184 6012604143594 8016805524792 9018906215391 12025208287188 18037812430782 24050416574376 36075624861564 72151249723128
• Sum of all divisors σ(n): 219310336512000
• Sum of proper divisors (its aliquot sum) s(n): 147159086788872
• 72151249723128 is an abundant number, because the sum of its proper divisors (147159086788872) is greater than itself. Its abundance is 75007837065744

Bases of 72151249723128

• Binary: 10000011001111100000101100111000001111011111000₂
• Hexadecimal: 0x419F059C1EF8
• Base-36: PKPTR70U0

Squares and roots of 72151249723128

• 72151249723128 squared (72151249723128²) is 5205802836609178296658104384
• 72151249723128 cubed (72151249723128³) is 375605180473556932599096640583757322993152
• The square root of 72151249723128 is 8494189.1739664003
• The cube root of 72151249723128 is 41630.7868367943

Scales and comparisons

• 72,151,249,723,128 seconds is equal to 2,294,186 years, 29 weeks, 1 day, 19 hours, 58 minutes, 48 seconds.
• To count from 1 to 72,151,249,723,128 would take you about five million, seven hundred thirty-five thousand, four hundred sixty-six 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 72151249723128 cubic inches would be around 3469.2 feet tall.

Recreational maths with 72151249723128

• 72151249723128 backwards is 82132794215127
• 72151249723128 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 72151249723128's digits is 54
• More coming soon!