21071208357828400

Names of 21071208357828400

• Cardinal: 21071208357828400 can be written as Twenty-one quadrillion, seventy-one trillion, two hundred eight billion, three hundred fifty-seven million, eight hundred twenty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 2.10712083578284 × 10¹⁶

Factors of 21071208357828400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 199929

Divisors of 21071208357828400

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 40 50 80 83 100 166 200 332 400 415 664 830 1328 1511 1660 2075 2141 3022 3320 4150 4282 6044 6640 7555 8300 8564 10705 12088 15110 16600 17128 21410 24176 30220 33200 34256 37775 42820 53525 60440 75550 85640 107050 120880 125413 151100 171280 177703 196187 214100 250826 302200 355406 392374 428200 501652 604400 627065 710812 784748 856400 888515 980935 1003304 1254130 1421624 1569496 1777030 1961870 2006608 2508260 2843248 3135325 3138992 3235051 3554060 3923740 4442575 4904675 5016520 6270650 6470102 7108120 7847480 8885150 9809350 10033040 12541300 12940204 14216240 15694960 16175255 16283521 17770300 19618700 25082600 25880408 32350510 32567042 35540600 39237400 50165200 51760816 64701020 65134084 71081200 78474800 80876275 81417605 129402040 130268168 161752550 162835210 258804080 260536336 268509233 296438557 323505100 325670420 407088025 420036367 537018466 592877114 647010200 651340840 814176050 840072734 1074036932 1185754228 1294020400 1302681680 1342546165 1482192785 1628352100 1680145468 2100181835 2148073864 2371508456 2685092330 2964385570 3256704200 3360290936 4200363670 4296147728 4743016912 5370184660 5928771140 6513408400 6712730825 6720581872 7410963925 8400727340 10500909175 10740369320 11857542280 13425461650 14821927850 16801454680 21001818350 21480738640 23715084560 24604400231 26850923300 29643855700 33602909360 34863018461 42003636700 49208800462 53701846600 59287711400 69726036922 84007273400 98417600924 107403693200 118575422800 123022001155 139452073844 168014546800 174315092305 196835201848 246044002310 278904147688 348630184610 393670403696 492088004620 557808295376 615110005775 634674950537 697260369220 871575461525 984176009240 1230220011550 1269349901074 1394520738440 1743150923050 1968352018480 2460440023100 2538699802148 2789041476880 3173374752685 3486301846100 4920880046200 5077399604296 6346749505370 6972603692200 9841760092400 10154799208592 12693499010740 13945207384400 15866873763425 25386998021480 31733747526850 50773996042960 52678020894571 63467495053700 105356041789142 126934990107400 210712083578284 253869980214800 263390104472855 421424167156568 526780208945710 842848334313136 1053560417891420 1316950522364275 2107120835782840 2633901044728550 4214241671565680 5267802089457100 10535604178914200 21071208357828400
• Sum of all divisors σ(n): 51291614707054848
• Sum of proper divisors (its aliquot sum) s(n): 30220406349226448
• 21071208357828400 is an abundant number, because the sum of its proper divisors (30220406349226448) is greater than itself. Its abundance is 9149197991398048

Bases of 21071208357828400

• Binary: 1001010110111000010011100000001001010000001011100110000₂
• Hexadecimal: 0x4ADC2701281730
• Base-36: 5RH4BHHRUB4

Squares and roots of 21071208357828400

• 21071208357828400 squared (21071208357828400²) is 443995821659017417455563846560000
• 21071208357828400 cubed (21071208357828400³) is 9355528468182375549760564628402326792410304000000
• The square root of 21071208357828400 is 145159251.7128288315
• The cube root of 21071208357828400 is 276203.9046572157

Scales and comparisons

• 21,071,208,357,828,400 seconds is equal to 669,999,248 years, 13 weeks, 18 hours, 6 minutes, 40 seconds.
• To count from 1 to 21,071,208,357,828,400 would take you about two billion, nine million, nine hundred ninety-seven thousand, seven hundred forty-four 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 21071208357828400 cubic inches would be around 23017 feet tall.

Recreational maths with 21071208357828400

• 21071208357828400 backwards is 00482875380217012
• The number of decimal digits it has is: 17
• The sum of 21071208357828400's digits is 58
• More coming soon!