72821372988

Names of 72821372988

• Cardinal: 72821372988 can be written as Seventy-two billion, eight hundred twenty-one million, three hundred seventy-two thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 7.2821372988 × 10¹⁰

Factors of 72821372988

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 551

Divisors of 72821372988

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 12 13 14 21 26 28 31 39 42 52 62 67 78 84 91 93 97 124 134 156 182 186 194 201 217 268 273 291 331 364 372 388 402 403 434 469 546 582 651 662 679 804 806 868 871 938 993 1092 1164 1209 1261 1302 1324 1358 1407 1612 1742 1876 1986 2037 2077 2317 2418 2522 2604 2613 2716 2814 2821 3007 3484 3783 3972 4074 4154 4303 4634 4836 5044 5226 5628 5642 6014 6097 6231 6499 6951 7566 8148 8308 8463 8606 8827 9021 9268 10261 10452 11284 12028 12194 12462 12909 12998 13902 14539 15132 16926 17212 17654 18042 18291 19497 20522 21049 22177 24388 24924 25818 25996 26481 27001 27804 29078 30121 30783 32107 33852 35308 36084 36582 38994 39091 41044 42098 43617 44354 45493 51636 52962 54002 58156 60242 61566 63147 64214 66531 71827 73164 77988 78182 81003 84196 84487 87234 88708 90363 90986 96321 105924 108004 117273 120484 123132 126294 128428 133062 133393 136479 143654 155239 156364 162006 168974 174468 180726 181972 189007 192642 201469 215481 224749 234546 252588 253461 266124 266786 272958 273637 287308 288301 310478 324012 337948 361452 378014 385284 400179 402938 417391 430962 449498 465717 469092 506922 533572 545916 547274 567021 576602 591409 604407 620956 674247 687487 756028 800358 805876 820911 834782 861924 864903 898996 931434 933751 995317 1013844 1094548 1134042 1153204 1182818 1208814 1252173 1348494 1374974 1410283 1600716 1641822 1669564 1729806 1774227 1862868 1867502 1990634 2018107 2062461 2151169 2268084 2365636 2417628 2504346 2619097 2696988 2749948 2801253 2820566 2921737 2985951 3283644 3459612 3548454 3735004 3981268 4036214 4124922 4230849 4302338 4812409 5008692 5238194 5602506 5641132 5843474 5971902 6054321 6453507 6967219 7096908 7857291 8072428 8249844 8461698 8604676 8765211 8937331 9624818 10476388 11205012 11686948 11943804 12108642 12907014 12939121 13934438 14437227 15058183 15714582 16923396 17530422 17874662 18333679 19249636 20901657 24217284 25814028 25878242 26811993 27868876 27965197 28874454 30116366 31429164 35060844 35749324 36667358 38817363 41803314 45174549 51756484 53623986 55001037 55930394 57748908 60232732 62561317 66686239 73334716 77634726 83606628 83895591 90349098 90573847 107247972 110002074 111860788 125122634 133372478 155269452 167791182 180698196 181147694 187683951 195756379 200058717 220004148 250245268 266744956 271721541 335582364 362295388 375367902 391512758 400117434 466803673 543443082 587269137 750735804 783025516 800234868 866921107 933607346 1086886164 1174538274 1400411019 1733842214 1867214692 2349076548 2600763321 2800822038 3467684428 5201526642 5601644076 6068447749 10403053284 12136895498 18205343247 24273790996 36410686494 72821372988
• Sum of all divisors σ(n): 222023581696
• Sum of proper divisors (its aliquot sum) s(n): 149202208708
• 72821372988 is an abundant number, because the sum of its proper divisors (149202208708) is greater than itself. Its abundance is 76380835720

Bases of 72821372988

• Binary: 1000011110100011111011111100000111100₂
• Hexadecimal: 0x10F47DF83C
• Base-36: XGBYR0C

Squares and roots of 72821372988

• 72821372988 squared (72821372988²) is 5302952363857416048144
• 72821372988 cubed (72821372988³) is 386168272026057184491791189134272
• The square root of 72821372988 is 269854.3551399533
• The cube root of 72821372988 is 4175.9275405893

Scales and comparisons

• 72,821,372,988 seconds is equal to 2,315 years, 25 weeks, 4 days, 23 hours, 9 minutes, 48 seconds.
• To count from 1 to 72,821,372,988 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 72821372988 cubic inches would be around 348 feet tall.

Recreational maths with 72821372988

• 72821372988 backwards is 88927312827
• The number of decimal digits it has is: 11
• The sum of 72821372988's digits is 57
• More coming soon!