21420646800

Names of 21420646800

• Cardinal: 21420646800 can be written as Twenty-one billion, four hundred twenty million, six hundred forty-six thousand, eight hundred.

Scientific notation

• Scientific notation: 2.14206468 × 10¹⁰

Factors of 21420646800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 95

Divisors of 21420646800

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 35 37 40 41 42 48 50 56 60 70 74 75 80 82 84 100 105 111 112 120 123 140 148 150 164 168 175 185 200 205 210 222 240 246 259 280 287 296 300 328 336 350 370 400 410 420 444 492 518 525 555 560 574 592 600 615 656 700 740 777 820 840 861 888 925 984 1025 1036 1050 1110 1148 1200 1230 1295 1400 1435 1480 1517 1554 1640 1680 1681 1722 1776 1850 1968 2050 2072 2100 2220 2296 2460 2590 2775 2800 2870 2960 3034 3075 3108 3280 3362 3444 3700 3885 4100 4144 4200 4305 4440 4551 4592 4920 5043 5180 5550 5740 6068 6150 6216 6475 6724 6888 7175 7400 7585 7770 8200 8400 8405 8610 8880 9102 9840 10086 10360 10619 11100 11480 11767 12136 12300 12432 12950 13448 13776 14350 14800 15170 15540 16400 16810 17220 18204 19425 20172 20720 21238 21525 22200 22755 22960 23534 24272 24600 25215 25900 26896 28700 30340 31080 31857 33620 34440 35301 36408 37925 38850 40344 42025 42476 43050 44400 45510 47068 49200 50430 51800 53095 57400 58835 60680 62160 62197 63714 67240 68880 68921 70602 72816 75850 77700 80688 84050 84952 86100 91020 94136 100860 103600 106190 113775 114800 117670 121360 124394 126075 127428 134480 137842 141204 151700 155400 159285 168100 169904 172200 176505 182040 186591 188272 201720 206763 212380 227550 235340 248788 252150 254856 265475 275684 282408 294175 303400 310800 310985 318570 336200 344400 344605 353010 364080 373182 403440 413526 424760 435379 455100 470680 482447 497576 504300 509712 530950 551368 564816 588350 606800 621970 637140 672400 689210 706020 746364 796425 827052 849520 870758 882525 910200 932955 941360 964894 995152 1008600 1033815 1061900 1102736 1176700 1243940 1274280 1306137 1378420 1412040 1447341 1492728 1554925 1592850 1654104 1723025 1741516 1765050 1820400 1865910 1929788 2017200 2067630 2123800 2176895 2353400 2412235 2487880 2548560 2550077 2612274 2756840 2824080 2894682 2985456 3109850 3185700 3308208 3446050 3483032 3530100 3731820 3859576 4135260 4247600 4353790 4664775 4706800 4824470 4975760 5100154 5169075 5224548 5513680 5789364 6219700 6371400 6530685 6892100 6966064 7060200 7236705 7463640 7650231 7719152 8270520 8707580 9329550 9648940 10200308 10338150 10449096 10884475 11578728 12061175 12439400 12742800 12750385 13061370 13784200 14120400 14473410 14927280 15300462 16541040 17415160 17850539 18659100 19297880 20400616 20676300 20898192 21768950 23157456 24122350 24878800 25500770 26122740 27568400 28946820 30600924 32653425 34830320 35701078 36183525 37318200 38251155 38595760 40801232 41352600 43537900 48244700 51001540 52245480 53551617 57893640 61201848 63751925 65306850 71402156 72367050 74636400 76502310 82705200 87075800 89252695 96489400 102003080 104490960 107103234 115787280 122403696 127503850 130613700 142804312 144734100 153004620 174151600 178505390 191255775 192978800 204006160 214206468 255007700 261227400 267758085 285608624 289468200 306009240 357010780 382511550 428412936 446263475 510015400 522454800 535516170 578936400 612018480 714021560 765023100 856825872 892526950 1020030800 1071032340 1338790425 1428043120 1530046200 1785053900 2142064680 2677580850 3060092400 3570107800 4284129360 5355161700 7140215600 10710323400 21420646800
• Sum of all divisors σ(n): 82552882944
• Sum of proper divisors (its aliquot sum) s(n): 61132236144
• 21420646800 is an abundant number, because the sum of its proper divisors (61132236144) is greater than itself. Its abundance is 39711589344

Bases of 21420646800

• Binary: 10011111100110001010010000110010000₂
• Hexadecimal: 0x4FCC52190
• Base-36: 9U9ASUO

Squares and roots of 21420646800

• 21420646800 squared (21420646800²) is 458844109330350240000
• 21420646800 cubed (21420646800³) is 9828737602226017011335232000000
• The square root of 21420646800 is 146357.9406796911
• The cube root of 21420646800 is 2777.2236830917

Scales and comparisons

• 21,420,646,800 seconds is equal to 681 years, 5 weeks, 5 days, 3 hours, 40 minutes.
• To count from 1 to 21,420,646,800 would take you about one thousand, three hundred sixty-two 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 21420646800 cubic inches would be around 231.4 feet tall.

Recreational maths with 21420646800

• 21420646800 backwards is 00864602412
• The number of decimal digits it has is: 11
• The sum of 21420646800's digits is 33
• More coming soon!