72813190128

Names of 72813190128

• Cardinal: 72813190128 can be written as Seventy-two billion, eight hundred thirteen million, one hundred ninety thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 7.2813190128 × 10¹⁰

Factors of 72813190128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 275

Divisors of 72813190128

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 49 53 56 84 98 103 106 107 112 147 159 168 196 206 212 214 294 309 318 321 336 371 392 412 424 428 588 618 636 642 721 742 749 784 824 848 856 1113 1176 1236 1272 1284 1442 1484 1498 1648 1712 2163 2226 2247 2352 2472 2544 2568 2597 2809 2884 2968 2996 4326 4452 4494 4944 5047 5136 5194 5243 5459 5618 5671 5768 5936 5992 7791 8427 8652 8904 8988 10094 10388 10486 10918 11021 11236 11342 11536 11984 15141 15582 15729 16377 16854 17013 17304 17808 17976 19663 20188 20776 20972 21836 22042 22472 22684 30282 31164 31458 32754 33063 33708 34026 34608 35952 38213 39326 39697 40376 41552 41944 43672 44084 44944 45368 58989 60564 62328 62916 65508 66126 67416 68052 76426 77147 78652 79394 80752 83888 87344 88168 90736 114639 117978 119091 121128 124656 125832 131016 132252 134832 136104 137641 152852 154294 157304 158788 176336 229278 231441 235956 238182 242256 251664 262032 264504 267491 272208 275282 277879 289327 300563 305704 308588 314608 317576 412923 458556 462882 471912 476364 529008 534982 540029 550564 555758 578654 584113 601126 611408 617176 635152 802473 825846 833637 867981 901689 917112 925764 943824 952728 1069964 1080058 1101128 1111516 1157308 1168226 1202252 1234352 1604946 1620087 1651692 1667274 1735962 1752339 1803378 1834224 1851528 1905456 2025289 2103941 2139928 2160116 2202256 2223032 2314616 2336452 2404504 3209892 3240174 3303384 3334548 3471924 3504678 3606756 3703056 4050578 4088791 4207882 4279856 4320232 4446064 4629232 4672904 4809008 6075867 6311823 6419784 6480348 6606768 6669096 6943848 7009356 7213512 8101156 8177582 8415764 8640464 9345808 12151734 12266373 12623646 12839568 12960696 13338192 13887696 14018712 14177023 14427024 14727587 16202312 16355164 16831528 24303468 24532746 25247292 25921392 28037424 28354046 28621537 29455174 30957989 32404624 32710328 33663056 42531069 44182761 48606936 49065492 50494584 56708092 57243074 58910348 61915978 65420656 85062138 85864611 88365522 92873967 97213872 98130984 100989168 113416184 114486148 117820696 123831956 170124276 171729222 176731044 185747934 196261968 216705923 226832368 228972296 235641392 247663912 340248552 343458444 353462088 371495868 433411846 457944592 495327824 650117769 680497104 686916888 706924176 742991736 866823692 1300235538 1373833776 1485983472 1516941461 1733647384 2600471076 3033882922 3467294768 4550824383 5200942152 6067765844 9101648766 10401884304 12135531688 18203297532 24271063376 36406595064 72813190128
• Sum of all divisors σ(n): 227287202688
• Sum of proper divisors (its aliquot sum) s(n): 154474012560
• 72813190128 is an abundant number, because the sum of its proper divisors (154474012560) is greater than itself. Its abundance is 81660822432

Bases of 72813190128

• Binary: 1000011110100000000010001101111110000₂
• Hexadecimal: 0x10F4011BF0
• Base-36: XG73D2O

Squares and roots of 72813190128

• 72813190128 squared (72813190128²) is 5301760656616276656384
• 72813190128 cubed (72813190128³) is 386038106703351073320736316977152
• The square root of 72813190128 is 269839.1930909963
• The cube root of 72813190128 is 4175.7711198893

Scales and comparisons

• 72,813,190,128 seconds is equal to 2,315 years, 12 weeks, 1 day, 6 hours, 8 minutes, 48 seconds.
• To count from 1 to 72,813,190,128 would take you about four thousand, six hundred thirty 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 72813190128 cubic inches would be around 348 feet tall.

Recreational maths with 72813190128

• 72813190128 backwards is 82109131827
• 72813190128 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72813190128's digits is 42
• More coming soon!