21327664320

Names of 21327664320

• Cardinal: 21327664320 can be written as Twenty-one billion, three hundred twenty-seven million, six hundred sixty-four thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.132766432 × 10¹⁰

Factors of 21327664320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1139

Divisors of 21327664320

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 37 40 45 48 60 64 72 74 80 90 96 111 120 144 148 160 180 185 192 222 233 240 288 296 320 333 360 370 444 466 480 555 576 592 666 699 720 740 859 888 932 960 1110 1165 1184 1332 1398 1440 1480 1665 1718 1776 1864 2097 2220 2330 2368 2577 2664 2796 2880 2960 3330 3436 3495 3552 3728 4194 4295 4440 4660 5154 5328 5592 5920 6660 6872 6990 7104 7456 7731 8388 8590 8621 8880 9320 10308 10485 10656 11184 11840 12885 13320 13744 13980 14912 15462 16776 17180 17242 17760 18640 20616 20970 21312 22368 25770 25863 26640 27488 27960 30924 31783 33552 34360 34484 35520 37280 38655 41232 41940 43105 44736 51540 51726 53280 54976 55920 61848 63566 67104 68720 68968 74560 77310 77589 82464 83880 86210 95349 103080 103452 106560 111840 123696 127132 129315 134208 137440 137936 154620 155178 158915 164928 167760 172420 190698 200147 206160 206904 223680 247392 254264 258630 274880 275872 286047 309240 310356 317830 335520 344840 381396 387945 400294 412320 413808 476745 494784 508528 517260 551744 572094 600441 618480 620712 635660 671040 689680 762792 775890 800588 824640 827616 953490 1000735 1017056 1034520 1144188 1200882 1236960 1241424 1271320 1379360 1430235 1525584 1551780 1601176 1655232 1801323 1906980 2001470 2034112 2069040 2288376 2401764 2473920 2482848 2542640 2758720 2860470 3002205 3051168 3103560 3202352 3602646 3813960 4002940 4138080 4576752 4803528 4965696 5085280 5720940 6004410 6102336 6207120 6404704 7205292 7405439 7627920 8005880 8276160 9006615 9153504 9607056 10170560 11441880 12008820 12414240 12809408 14410584 14810878 15255840 16011760 18013230 18307008 19214112 22216317 22883760 24017640 24828480 28821168 29621756 30511680 32023520 36026460 37027195 38428224 44432634 45767520 48035280 57642336 59243512 64047040 66648951 72052920 74054390 88865268 91535040 96070560 111081585 115284672 118487024 133297902 144105840 148108780 177730536 192141120 222163170 236974048 266595804 288211680 296217560 333244755 355461072 444326340 473948096 533191608 576423360 592435120 666489510 710922144 888652680 1066383216 1184870240 1332979020 1421844288 1777305360 2132766432 2369740480 2665958040 3554610720 4265532864 5331916080 7109221440 10663832160 21327664320
• Sum of all divisors σ(n): 75752370720
• Sum of proper divisors (its aliquot sum) s(n): 54424706400
• 21327664320 is an abundant number, because the sum of its proper divisors (54424706400) is greater than itself. Its abundance is 33097042080

Bases of 21327664320

• Binary: 10011110111001110100101010011000000₂
• Hexadecimal: 0x4F73A54C0
• Base-36: 9SPXV40

Squares and roots of 21327664320

• 21327664320 squared (21327664320²) is 454869265346601062400
• 21327664320 cubed (21327664320³) is 9701299000797315911822573568000
• The square root of 21327664320 is 146039.9408381145
• The cube root of 21327664320 is 2773.1994084943

Scales and comparisons

• 21,327,664,320 seconds is equal to 678 years, 7 weeks, 6 days, 23 hours, 12 minutes.
• To count from 1 to 21,327,664,320 would take you about one thousand, three hundred fifty-six 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 21327664320 cubic inches would be around 231.1 feet tall.

Recreational maths with 21327664320

• 21327664320 backwards is 02346672312
• 21327664320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21327664320's digits is 36
• More coming soon!