72681075792

Names of 72681075792

• Cardinal: 72681075792 can be written as Seventy-two billion, six hundred eighty-one million, seventy-five thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 7.2681075792 × 10¹⁰

Factors of 72681075792

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 116

Divisors of 72681075792

• Number of divisors d(n): 450
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 31 36 39 48 52 54 62 67 72 78 81 93 104 108 117 124 134 144 156 162 186 201 208 216 234 248 268 279 312 324 351 372 402 403 432 468 496 536 558 603 624 648 702 744 804 806 837 871 936 961 1053 1072 1116 1206 1209 1296 1404 1488 1608 1612 1674 1742 1809 1872 1922 2077 2106 2232 2412 2418 2511 2613 2808 2883 3216 3224 3348 3484 3618 3627 3844 4154 4212 4464 4489 4824 4836 5022 5226 5427 5616 5766 6231 6448 6696 6968 7236 7254 7688 7839 8308 8424 8649 8978 9648 9672 10044 10452 10854 10881 11532 12462 12493 13392 13467 13936 14472 14508 15376 15678 16616 16848 17298 17956 18693 19344 20088 20904 21708 21762 23064 23517 24924 24986 25947 26934 27001 28944 29016 31356 32643 33232 34596 35912 37386 37479 40176 40401 41808 43416 43524 46128 47034 49848 49972 51894 53868 54002 56079 58032 58357 62712 64387 65286 69192 70551 71824 74772 74958 77841 80802 81003 86832 87048 94068 99696 99944 103788 107736 108004 112158 112437 116714 121203 125424 128774 130572 138384 139159 141102 149544 149916 155682 161604 162006 168237 174096 175071 188136 193161 199888 207576 215472 216008 224316 224874 233428 242406 243009 257548 261144 278318 282204 299088 299832 311364 323208 324012 336474 337311 350142 363609 376272 386322 415152 417477 432016 448632 449748 466856 484812 486018 515096 522288 525213 556636 564408 579483 599664 622728 646416 648024 672948 674622 700284 727218 729027 772644 834954 837031 897264 899496 933712 969624 972036 1011933 1030192 1050426 1113272 1128816 1158966 1245456 1252431 1296048 1345896 1349244 1400568 1454436 1458054 1545288 1575639 1669908 1674062 1738449 1798992 1809067 1939248 1944072 2023866 2100852 2187081 2226544 2317932 2504862 2511093 2691792 2698488 2801136 2908872 2916108 3090576 3151278 3339816 3348124 3476898 3618134 3757293 3888144 4047732 4201704 4313929 4374162 4635864 4726917 5009724 5022186 5215347 5396976 5427201 5817744 5832216 6302556 6679632 6696248 6953796 7236268 7514586 7533279 8095464 8403408 8627858 8748324 9271728 9453834 10019448 10044372 10430694 10854402 11271879 11664432 12605112 12941787 13392496 13907592 14472536 15029172 15066558 16190928 16281603 17255716 17496648 18907668 20038896 20088744 20861388 21708804 22543758 22599837 25210224 25883574 27815184 28945072 30058344 30133116 32563206 34511432 34993296 37815336 38825361 40177488 41722776 43417608 45087516 45199674 48844809 51767148 56081077 60116688 60266232 65126412 67799511 69022864 75630672 77650722 83445552 86835216 90175032 90399348 97689618 103534296 112162154 116476083 120532464 130252824 135599022 146534427 155301444 168243231 180350064 180798696 195379236 207068592 224324308 232952166 260505648 271198044 293068854 310602888 336486462 349428249 361597392 390758472 448648616 465904332 504729693 542396088 586137708 621205776 672972924 698856498 781516944 897297232 931808664 1009459386 1084792176 1172275416 1345945848 1397712996 1514189079 1863617328 2018918772 2344550832 2691891696 2795425992 3028378158 4037837544 4542567237 5590851984 6056756316 8075675088 9085134474 12113512632 18170268948 24227025264 36340537896 72681075792
• Sum of all divisors σ(n): 237631153914
• Sum of proper divisors (its aliquot sum) s(n): 164950078122
• 72681075792 is an abundant number, because the sum of its proper divisors (164950078122) is greater than itself. Its abundance is 92269002330

Bases of 72681075792

• Binary: 1000011101100001000010011010001010000₂
• Hexadecimal: 0x10EC213450
• Base-36: XE0FP00

Squares and roots of 72681075792

• 72681075792 squared (72681075792²) is 5282538778282448427264
• 72681075792 cubed (72681075792³) is 383940601318525717725305983193088
• The square root of 72681075792 is 269594.2799689935
• The cube root of 72681075792 is 4173.2440446645

Scales and comparisons

• 72,681,075,792 seconds is equal to 2,311 years, 1 week, 5 days, 3 hours, 43 minutes, 12 seconds.
• To count from 1 to 72,681,075,792 would take you about four thousand, six hundred twenty-two 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 72681075792 cubic inches would be around 347.8 feet tall.

Recreational maths with 72681075792

• 72681075792 backwards is 29757018627
• 72681075792 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72681075792's digits is 54
• More coming soon!