72120020742

Names of 72120020742

• Cardinal: 72120020742 can be written as Seventy-two billion, one hundred twenty million, twenty thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 7.2120020742 × 10¹⁰

Factors of 72120020742

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4046

Divisors of 72120020742

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 21 22 31 33 42 49 61 62 63 66 77 93 98 99 122 126 147 154 183 186 198 217 231 279 294 341 366 427 434 441 462 539 549 558 651 671 682 693 854 882 1023 1078 1098 1281 1302 1342 1386 1519 1617 1891 1953 2013 2046 2387 2562 2989 3038 3069 3234 3782 3843 3906 3931 4026 4557 4697 4774 4851 5673 5978 6039 6138 7161 7686 7862 8967 9114 9394 9702 11346 11793 12078 13237 13671 14091 14322 16709 17019 17934 20801 21483 23586 26474 26901 27342 27517 28182 32879 33418 34038 35379 39711 41602 42273 42966 43241 50127 53802 55034 62403 65758 70758 79422 82551 84546 86482 92659 98637 100254 119133 121861 124806 129723 145607 150381 165102 185318 187209 192619 197274 238266 239791 243722 247653 259446 277977 291214 295911 300762 302687 365583 374418 385238 389169 436821 479582 495306 555954 577857 591822 605374 719373 731166 778338 833931 853027 873642 908061 1019249 1096749 1155714 1310463 1340471 1438746 1667862 1678537 1706054 1733571 1816122 2038498 2118809 2158119 2193498 2559081 2620926 2637701 2680942 2724183 3057747 3357074 3467142 4021413 4237618 4316238 5035611 5118162 5275402 5448366 5971189 6115494 6356427 7433521 7677243 7913103 8042826 9173241 9383297 10071222 11749759 11942378 12064239 12712854 14867042 15106833 15354486 15826206 17913567 18346482 18463907 18766594 19069281 22300563 23499518 23739309 24128478 28149891 30213666 35249277 35827134 36927814 38138562 44601126 47478618 52034647 53740701 55391721 56299782 65683079 66901689 70498554 81768731 84449673 104069294 105747831 107481402 110783442 129247349 131366158 133803378 156103941 163537462 166175163 168899346 197049237 211495662 245306193 258494698 312207882 332350326 364242529 387742047 394098474 468311823 490612386 572381117 591147711 728485058 735918579 775484094 936623646 1092727587 1144762234 1163226141 1182295422 1471837158 1717143351 2185455174 2326452282 3278182761 3434286702 4006667819 5151430053 6556365522 8013335638 10302860106 12020003457 24040006914 36060010371 72120020742
• Sum of all divisors σ(n): 208101823488
• Sum of proper divisors (its aliquot sum) s(n): 135981802746
• 72120020742 is an abundant number, because the sum of its proper divisors (135981802746) is greater than itself. Its abundance is 63861782004

Bases of 72120020742

• Binary: 1000011001010101100000010111100000110₂
• Hexadecimal: 0x10CAB02F06
• Base-36: X4QEC5I

Squares and roots of 72120020742

• 72120020742 squared (72120020742²) is 5201297391826510230564
• 72120020742 cubed (72120020742³) is 375117675783838419093750882358488
• The square root of 72120020742 is 268551.7096240497
• The cube root of 72120020742 is 4162.4779665853

Scales and comparisons

• 72,120,020,742 seconds is equal to 2,293 years, 10 weeks, 11 hours, 5 minutes, 42 seconds.
• To count from 1 to 72,120,020,742 would take you about four thousand, five hundred eighty-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 72120020742 cubic inches would be around 346.9 feet tall.

Recreational maths with 72120020742

• 72120020742 backwards is 24702002127
• The number of decimal digits it has is: 11
• The sum of 72120020742's digits is 27
• More coming soon!