21490692814556800

Names of 21490692814556800

• Cardinal: 21490692814556800 can be written as Twenty-one quadrillion, four hundred ninety trillion, six hundred ninety-two billion, eight hundred fourteen million, five hundred fifty-six thousand, eight hundred.

Scientific notation

• Scientific notation: 2.14906928145568 × 10¹⁶

Factors of 21490692814556800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 103227

Divisors of 21490692814556800

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 59 64 80 100 118 128 160 163 200 236 295 320 326 400 472 590 640 652 800 815 944 1180 1304 1475 1600 1630 1888 2360 2608 2950 3200 3260 3776 4075 4720 5216 5900 6520 7297 7552 8150 9440 9617 10432 11800 13040 14594 16300 18880 19234 20864 23600 26080 29188 32600 36485 37760 38468 47200 48085 52160 58376 65200 72970 76936 94400 95701 96170 104320 116752 130400 145940 153872 182425 188800 191402 192340 233504 240425 260800 291880 307744 364850 382804 384680 430523 467008 478505 480850 521600 583760 615488 729700 765608 769360 861046 934016 957010 961700 1167520 1189411 1230976 1459400 1531216 1538720 1722092 1914020 1923400 2152615 2335040 2378822 2392525 2918800 3062432 3077440 3444184 3828040 3846800 4305230 4670080 4757644 4785050 5646359 5837600 5947055 6124864 6154880 6888368 7656080 7693600 8610460 9515288 9570100 10763075 11292718 11675200 11894110 12249728 13776736 15312160 15387200 15599263 17220920 19030576 19140200 21526150 22585436 23350400 23788220 27553472 28231795 29735275 30624320 30774400 31198526 34441840 38061152 38280400 43052300 45170872 47576440 55106944 56463590 59470550 61248640 62397052 68883680 70175249 76122304 76560800 77996315 86104600 90341744 95152880 112927180 118941100 124794104 137767360 140350498 141158975 152244608 153121600 155992630 172209200 180683488 190305760 225854360 237882200 249588208 275534720 280700996 282317950 306243200 311985260 344418400 350876245 361366976 380611520 389981575 451708720 475764400 499176416 561401992 564635900 623970520 688836800 698330197 701752490 722733952 761223040 779963150 903417440 920356517 951528800 998352832 1122803984 1129271800 1247941040 1377673600 1396660394 1403504980 1559926300 1754381225 1806834880 1840713034 1903057600 1996705664 2245607968 2258543600 2495882080 2793320788 2807009960 3119852600 3491650985 3508762450 3613669760 3681426068 3806115200 4491215936 4517087200 4601782585 4991764160 5586641576 5614019920 6239705200 6983301970 7017524900 7362852136 8982431872 9034174400 9203565170 9983528320 11173283152 11228039840 12479410400 13966603940 14035049800 14725704272 17458254925 18068348800 18407130340 22346566304 22456079680 23008912925 24958820800 27933207880 28070099600 29451408544 34916509850 36814260680 41201481623 44693132608 44912159360 46017825850 49917641600 55866415760 56140199200 58902817088 69833019700 73628521360 82402963246 89386265216 92035651700 111732831520 112280398400 113827822111 117805634176 139666039400 147257042720 164805926492 184071303400 206007408115 223465663040 224560796800 227655644222 279332078800 294514085440 329611852984 368142606800 412014816230 446931326080 455311288444 558664157600 569139110555 589028170880 659223705968 736285213600 824029632460 910622576888 1030037040575 1117328315200 1138278221110 1318447411936 1472570427200 1648059264920 1821245153776 2060074081150 2234656630400 2276556442220 2636894823872 2845695552775 2945140854400 3296118529840 3642490307552 4120148162300 4553112884440 5273789647744 5691391105550 6592237059680 6715841504549 7284980615104 8240296324600 9106225768880 11382782211100 13184474119360 13431683009098 14569961230208 16480592649200 18212451537760 22765564422200 26368948238720 26863366018196 32961185298400 33579207522745 36424903075520 45531128844400 53726732036392 65922370596800 67158415045490 72849806151040 91062257688800 107453464072784 131844741193600 134316830090980 167896037613725 182124515377600 214906928145568 268633660181960 335792075227450 364249030755200 429813856291136 537267320363920 671584150454900 859627712582272 1074534640727840 1343168300909800 2149069281455680 2686336601819600 4298138562911360 5372673203639200 10745346407278400 21490692814556800
• Sum of all divisors σ(n): 54327765837499200
• Sum of proper divisors (its aliquot sum) s(n): 32837073022942400
• 21490692814556800 is an abundant number, because the sum of its proper divisors (32837073022942400) is greater than itself. Its abundance is 11346380208385600

Bases of 21490692814556800

• Binary: 1001100010110011010101111010111001100000100111010000000₂
• Hexadecimal: 0x4C59ABD7304E80
• Base-36: 5VLTBZGJI4G

Squares and roots of 21490692814556800

• 21490692814556800 squared (21490692814556800²) is 461849877649643274113980426240000
• 21490692814556800 cubed (21490692814556800³) is 9925473847009125932540072738159289340690432000000
• The square root of 21490692814556800 is 146597042.3117628933
• The cube root of 21490692814556800 is 278024.7584809029

Scales and comparisons

• 21,490,692,814,556,800 seconds is equal to 683,337,556 years, 22 weeks, 20 hours, 26 minutes, 40 seconds.
• To count from 1 to 21,490,692,814,556,800 would take you about two billion, fifty million, twelve thousand, six hundred sixty-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 21490692814556800 cubic inches would be around 23168.7 feet tall.

Recreational maths with 21490692814556800

• 21490692814556800 backwards is 00865541829609412
• The number of decimal digits it has is: 17
• The sum of 21490692814556800's digits is 70
• More coming soon!