21066148740

Names of 21066148740

• Cardinal: 21066148740 can be written as Twenty-one billion, sixty-six million, one hundred forty-eight thousand, seven hundred forty.

Scientific notation

• Scientific notation: 2.106614874 × 10¹⁰

Factors of 21066148740

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3229

Divisors of 21066148740

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 13 14 15 17 20 21 26 28 30 34 35 39 42 51 52 60 65 68 70 73 78 84 85 91 102 105 119 130 140 146 156 170 182 195 204 210 219 221 238 255 260 273 292 340 357 364 365 390 420 438 442 455 476 510 511 546 595 663 714 730 780 876 884 910 949 1020 1022 1092 1095 1105 1190 1241 1326 1365 1428 1460 1533 1547 1785 1820 1898 2044 2190 2210 2380 2482 2555 2652 2730 2847 3066 3094 3109 3315 3570 3723 3796 4380 4420 4641 4745 4964 5110 5460 5694 6132 6188 6205 6218 6630 6643 7140 7446 7665 7735 8687 9282 9327 9490 10220 11388 12410 12436 13260 13286 14235 14892 15330 15470 15545 16133 17374 18564 18615 18654 18980 19929 21763 23205 24820 26061 26572 28470 30660 30940 31090 32266 33215 34748 37230 37308 39858 40417 43435 43526 46410 46635 48399 52122 52853 56940 62180 64532 65289 66430 74460 79716 80665 80834 86870 87052 92820 93270 96798 99645 104244 105706 108815 112931 121251 130305 130578 132860 158559 161330 161668 173740 186540 193596 199290 202085 211412 217630 225862 226957 241995 242502 260610 261156 264265 282919 317118 322660 326445 338793 369971 398580 404170 435260 451724 453914 483990 485004 521220 528530 564655 565838 606255 634236 652890 677586 680871 687089 739942 792795 808340 848757 907828 967980 1057060 1109913 1129310 1131676 1134785 1212510 1305780 1355172 1361742 1374178 1414595 1479884 1585590 1588699 1693965 1697514 1849855 2061267 2219826 2258620 2269570 2425020 2723484 2748356 2829190 2950441 3171180 3177398 3387930 3395028 3404355 3435445 3699710 3858269 4122534 4243785 4439652 4539140 4766097 4809623 5549565 5658380 5900882 6354796 6775860 6808710 6870890 7399420 7716538 7943495 8245068 8487570 8851323 9532194 9619246 10306335 11099130 11574807 11801764 13617420 13741780 14428869 14752205 15433076 15886990 16975140 17702646 19064388 19238492 19291345 20612670 20653087 22198260 23149614 23830485 24048115 27007883 28857738 29504410 31773980 35405292 38582690 41225340 41306174 44256615 46299228 47660970 48096230 50157497 54015766 57715476 57874035 59008820 61959261 72144345 77165380 81023649 82612348 88513230 95321940 96192460 100314994 103265435 108031532 115748070 123918522 135039415 144288690 150472491 162047298 177026460 200629988 206530870 231496140 247837044 250787485 270078830 288577380 300944982 309796305 324094596 351102479 405118245 413061740 501574970 540157660 601889964 619592610 702204958 752362455 810236490 1003149940 1053307437 1239185220 1404409916 1504724910 1620472980 1755512395 2106614874 3009449820 3511024790 4213229748 5266537185 7022049580 10533074370 21066148740
• Sum of all divisors σ(n): 77945656320
• Sum of proper divisors (its aliquot sum) s(n): 56879507580
• 21066148740 is an abundant number, because the sum of its proper divisors (56879507580) is greater than itself. Its abundance is 35813358840

Bases of 21066148740

• Binary: 10011100111101000111110101110000100₂
• Hexadecimal: 0x4E7A3EB84
• Base-36: 9OE8OEC

Squares and roots of 21066148740

• 21066148740 squared (21066148740²) is 443782622735803587600
• 21066148740 cubed (21066148740³) is 9348790738779744099807219624000
• The square root of 21066148740 is 145141.8228492395
• The cube root of 21066148740 is 2761.8179553013

Scales and comparisons

• 21,066,148,740 seconds is equal to 669 years, 43 weeks, 4 days, 3 hours, 59 minutes.
• To count from 1 to 21,066,148,740 would take you about one thousand, three hundred thirty-nine 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 21066148740 cubic inches would be around 230.2 feet tall.

Recreational maths with 21066148740

• 21066148740 backwards is 04784166012
• 21066148740 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21066148740's digits is 39
• More coming soon!