72131136

Names of 72131136

• Cardinal: 72131136 can be written as Seventy-two million, one hundred thirty-one thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 7.2131136 × 10⁷

Factors of 72131136

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 81

Divisors of 72131136

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 17 21 22 24 28 32 33 34 41 42 44 48 49 51 56 64 66 68 77 82 84 88 96 98 102 112 119 123 132 136 147 154 164 168 176 187 192 196 204 224 231 238 246 264 272 287 294 308 328 336 352 357 374 392 408 448 451 462 476 492 528 539 544 561 574 588 616 656 672 697 704 714 748 784 816 833 861 902 924 952 984 1056 1078 1088 1122 1148 1176 1232 1309 1312 1344 1353 1394 1428 1496 1568 1617 1632 1666 1722 1804 1848 1904 1968 2009 2091 2112 2156 2244 2296 2352 2464 2499 2618 2624 2706 2788 2856 2992 3136 3157 3234 3264 3332 3444 3608 3696 3808 3927 3936 4018 4182 4312 4488 4592 4704 4879 4928 4998 5236 5412 5576 5712 5984 6027 6314 6468 6664 6888 7216 7392 7616 7667 7854 7872 8036 8364 8624 8976 9163 9184 9408 9471 9758 9996 10472 10824 11152 11424 11968 12054 12628 12936 13328 13776 14432 14637 14784 15334 15708 16072 16728 17248 17952 18326 18368 18942 19516 19992 20944 21648 22099 22304 22848 23001 24108 25256 25872 26656 27489 27552 28864 29274 30668 31416 32144 33456 34153 34496 35904 36652 37884 39032 39984 41888 43296 44198 44608 46002 48216 50512 51744 53312 53669 54978 55104 58548 61336 62832 64288 66297 66912 68306 73304 75768 78064 79968 83776 86592 88396 92004 96432 101024 102459 103488 107338 109956 117096 122672 125664 128576 132594 133824 136612 146608 151536 156128 159936 161007 176792 184008 192864 202048 204918 214676 219912 234192 245344 251328 265188 273224 293216 303072 312256 322014 353584 368016 375683 385728 409836 429352 439824 468384 490688 530376 546448 586432 606144 644028 707168 736032 751366 819672 858704 879648 936768 1060752 1092896 1127049 1288056 1414336 1472064 1502732 1639344 1717408 1759296 2121504 2185792 2254098 2576112 3005464 3278688 3434816 4243008 4508196 5152224 6010928 6557376 9016392 10304448 12021856 18032784 24043712 36065568 72131136
• Sum of all divisors σ(n): 262688832
• Sum of proper divisors (its aliquot sum) s(n): 190557696
• 72131136 is an abundant number, because the sum of its proper divisors (190557696) is greater than itself. Its abundance is 118426560

Bases of 72131136

• Binary: 100010011001010001001000000₂
• Hexadecimal: 0x44CA240
• Base-36: 16Y0QO

Squares and roots of 72131136

• 72131136 squared (72131136²) is 5202900780650496
• 72131136 cubed (72131136³) is 375291143803607095443456
• The square root of 72131136 is 8493.0051218635
• The cube root of 72131136 is 416.2691798287

Scales and comparisons

• 72,131,136 seconds is equal to 2 years, 15 weeks, 1 day, 20 hours, 25 minutes, 36 seconds.
• To count from 1 to 72,131,136 would take you about three 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 72131136 cubic inches would be around 34.7 feet tall.

Recreational maths with 72131136

• 72131136 backwards is 63113127
• 72131136 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 72131136's digits is 24
• More coming soon!