72189233820

Names of 72189233820

• Cardinal: 72189233820 can be written as Seventy-two billion, one hundred eighty-nine million, two hundred thirty-three thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 7.218923382 × 10¹⁰

Factors of 72189233820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 85

Divisors of 72189233820

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 23 30 33 36 41 44 45 46 55 60 66 69 82 90 92 99 110 115 123 132 138 164 165 180 198 205 207 220 230 246 253 276 330 345 369 396 410 414 451 460 492 495 506 529 615 660 690 738 759 820 828 902 943 990 1012 1035 1058 1230 1265 1353 1380 1476 1518 1587 1681 1804 1845 1886 1980 2070 2116 2255 2277 2460 2530 2645 2706 2829 3036 3174 3362 3690 3772 3795 4059 4140 4510 4554 4715 4761 5043 5060 5290 5412 5658 5819 6348 6724 6765 7380 7590 7935 8118 8405 8487 9020 9108 9430 9522 10086 10373 10580 11316 11385 11638 13530 14145 15129 15180 15870 16236 16810 16974 17457 18491 18860 19044 20172 20295 20746 21689 22770 23276 23805 25215 27060 28290 29095 30258 31119 31740 33620 33948 34914 36982 38663 40590 41492 42435 43378 45540 47610 50430 51865 52371 55473 56580 58190 60516 62238 65067 68921 69828 73964 75645 77326 81180 84870 86756 87285 92455 93357 95220 100860 103730 104742 108445 110946 115989 116380 124476 130134 137842 151290 154652 155595 166419 169740 174570 184910 186714 193315 195201 206763 207460 209484 216890 221892 231978 238579 260268 261855 275684 277365 302580 311190 325335 332838 344605 347967 349140 369820 373428 386630 390402 413526 425293 433780 463956 466785 477158 523710 554730 579945 620289 622380 650670 665676 689210 695934 715737 758131 773260 780804 827052 832095 850586 889249 933570 954316 976005 1033815 1047420 1109460 1159890 1192895 1240578 1275879 1301340 1378420 1391868 1431474 1516262 1585183 1664190 1701172 1739835 1778498 1867140 1952010 2067630 2126465 2147211 2274393 2319780 2385790 2481156 2551758 2667747 2862948 3032524 3101445 3170366 3328380 3479670 3556996 3578685 3790655 3827637 3904020 4135260 4252930 4294422 4446245 4548786 4755549 4771580 5103516 5335494 6202890 6340732 6379395 6823179 6959340 7157370 7581310 7655274 7925915 8003241 8505860 8588844 8892490 9097572 9511098 9781739 10670988 10736055 11371965 12405780 12758790 13338735 13646358 14266647 14314740 15162620 15310548 15851830 16006482 17437013 17784980 19022196 19138185 19563478 21472110 22743930 23777745 25517580 26677470 27292716 28533294 29345217 31703660 32012964 34115895 34874026 36459209 38276370 39126956 40016205 42944220 45487860 47555490 48908695 52311039 53354940 57066588 58690434 68231790 69748052 71333235 72918418 76552740 80032410 87185065 88035651 95110980 97817390 104622078 109377627 117380868 136463580 142666470 145836836 146726085 156933117 160064820 174370130 176071302 182296045 195634780 209244156 218755254 261555195 285332940 293452170 313866234 328132881 348740260 352142604 364592090 401051299 437510508 440178255 523110390 546888135 586904340 627732468 656265762 729184180 784665585 802102598 880356510 1046220780 1093776270 1203153897 1312531524 1569331170 1604205196 1640664405 1760713020 2005256495 2187552540 2406307794 3138662340 3281328810 3609461691 4010512990 4812615588 6015769485 6562657620 7218923382 8021025980 12031538970 14437846764 18047308455 24063077940 36094616910 72189233820
• Sum of all divisors σ(n): 255961296864
• Sum of proper divisors (its aliquot sum) s(n): 183772063044
• 72189233820 is an abundant number, because the sum of its proper divisors (183772063044) is greater than itself. Its abundance is 111582829224

Bases of 72189233820

• Binary: 1000011001110110100000100101010011100₂
• Hexadecimal: 0x10CED04A9C
• Base-36: X5VLTB0

Squares and roots of 72189233820

• 72189233820 squared (72189233820²) is 5211285479518631792400
• 72189233820 cubed (72189233820³) is 376198705983741331508049298968000
• The square root of 72189233820 is 268680.5423174517
• The cube root of 72189233820 is 4163.8091078155

Scales and comparisons

• 72,189,233,820 seconds is equal to 2,295 years, 20 weeks, 3 days, 12 hours, 57 minutes.
• To count from 1 to 72,189,233,820 would take you about four thousand, five hundred ninety 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 72189233820 cubic inches would be around 347 feet tall.

Recreational maths with 72189233820

• 72189233820 backwards is 02833298127
• 72189233820 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72189233820's digits is 45
• More coming soon!