21008027704860

Names of 21008027704860

• Cardinal: 21008027704860 can be written as Twenty-one trillion, eight billion, twenty-seven million, seven hundred four thousand, eight hundred sixty.

Scientific notation

• Scientific notation: 2.100802770486 × 10¹³

Factors of 21008027704860

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 10545946

Divisors of 21008027704860

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 17 18 20 21 27 28 30 31 34 35 36 42 45 51 54 60 62 63 68 70 84 85 90 93 102 105 108 119 124 126 135 140 153 155 170 180 186 189 204 210 217 238 252 255 270 279 306 310 315 340 357 372 378 420 434 459 465 476 510 527 540 558 595 612 620 630 651 714 756 765 837 868 918 930 945 1020 1054 1071 1085 1116 1190 1260 1302 1395 1428 1530 1581 1674 1785 1836 1860 1890 1953 2108 2142 2170 2295 2380 2604 2635 2790 3060 3162 3213 3255 3348 3570 3689 3780 3906 4185 4284 4340 4590 4743 5270 5355 5580 5859 6324 6426 6510 7140 7378 7812 7905 8370 9180 9486 9765 10540 10710 11067 11718 12852 13020 14229 14756 15810 16065 16740 18445 18972 19530 21420 22134 23436 23715 28458 29295 31620 32130 33201 36890 39060 44268 47430 55335 56916 58590 64260 66402 71145 73780 94860 99603 110670 117180 132804 142290 166005 199206 221340 284580 332010 398412 498015 664020 996030 1992060 10545881 21091762 31637643 42183524 52729405 63275286 73821167 94912929 105458810 126550572 147642334 158188215 179279977 189825858 210917620 221463501 284738787 295284668 316376430 326922311 358559954 369105835 379651716 442927002 474564645 537839931 569477574 632752860 653844622 664390503 717119908 738211670 885854004 896399885 949129290 980766933 1075679862 1107317505 1138955148 1254959839 1307689244 1328781006 1423693935 1476423340 1613519793 1634611555 1792799770 1898258580 1961533866 1993171509 2151359724 2214635010 2288456177 2509919678 2657562012 2689199655 2847387870 2942300799 3227039586 3269223110 3321952515 3585599540 3764879517 3923067732 3986343018 4429270020 4576912354 4840559379 4903834665 5019839356 5378399310 5557679287 5694775740 5884601598 6274799195 6454079172 6538446220 6643905030 6865368531 7529759034 7972686036 8067598965 8826902397 9153824708 9681118758 9807669330 9965857545 10756798620 11115358574 11294638551 11442280885 11769203196 12549598390 13287810060 13730737062 14711503995 15059518068 16135197930 16673037861 17653804794 18824397585 19362237516 19615338660 19931715090 20596105593 22230717148 22589277102 22884561770 24202796895 25099196780 27461474124 27788396435 29423007990 32270395860 33346075722 33883915653 34326842655 35307609588 37648795170 38903755009 39863430180 41192211186 44134511985 45178554204 45769123540 48405593790 50019113583 55576792870 56473192755 58846015980 61788316779 66692151444 67767831306 68653685310 75297590340 77807510018 82384422372 83365189305 88269023970 96811187580 100038227166 102980527965 111153585740 112946385510 116711265027 123576633558 135535662612 137307370620 150057340749 155615020036 166730378610 169419578265 176538047940 194518775045 200076454332 205961055930 225892771020 233422530054 247153267116 250095567915 300114681498 308941583895 333460757220 338839156530 350133795081 389037550090 411922111860 466845060108 500191135830 583556325135 600229362996 617883167790 677678313060 700267590162 750286703745 778075100180 1000382271660 1050401385243 1167112650270 1235766335580 1400535180324 1500573407490 1750668975405 2100802770486 2334225300540 3001146814980 3501337950810 4201605540972 5252006926215 7002675901620 10504013852430 21008027704860
• Sum of all divisors σ(n): 81640312750080
• Sum of proper divisors (its aliquot sum) s(n): 60632285045220
• 21008027704860 is an abundant number, because the sum of its proper divisors (60632285045220) is greater than itself. Its abundance is 39624257340360

Bases of 21008027704860

• Binary: 100110001101101010000000001110101111000011100₂
• Hexadecimal: 0x131B50075E1C
• Base-36: 7G2YDA8F0

Squares and roots of 21008027704860

• 21008027704860 squared (21008027704860²) is 441337228048165319267619600
• 21008027704860 cubed (21008027704860³) is 9271624714021972889667579721503551256000
• The square root of 21008027704860 is 4583451.5056734265
• The cube root of 21008027704860 is 27592.7568443597

Scales and comparisons

• 21,008,027,704,860 seconds is equal to 667,990 years, 15 weeks, 3 days, 19 hours, 21 minutes.
• To count from 1 to 21,008,027,704,860 would take you about one million, six hundred sixty-nine thousand, nine hundred seventy-five 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 21008027704860 cubic inches would be around 2299.4 feet tall.

Recreational maths with 21008027704860

• 21008027704860 backwards is 06840772080012
• 21008027704860 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21008027704860's digits is 45
• More coming soon!