21242709186816

Names of 21242709186816

• Cardinal: 21242709186816 can be written as Twenty-one trillion, two hundred forty-two billion, seven hundred nine million, one hundred eighty-six thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 2.1242709186816 × 10¹³

Factors of 21242709186816

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 565

Divisors of 21242709186816

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 169 192 208 256 312 338 384 416 507 547 624 676 768 832 1014 1094 1248 1352 1641 1664 2028 2188 2496 2704 3282 3328 4056 4376 4992 5408 6564 7111 8112 8752 9984 10816 13128 14222 16224 17504 21333 21632 26256 28444 32448 35008 42666 43264 52512 56888 64896 70016 85332 92443 105024 113776 129792 140032 170664 184886 210048 227552 277329 299209 341328 369772 420096 455104 554658 598418 682656 739544 897627 910208 1109316 1196836 1365312 1479088 1795254 1820416 2218632 2393672 2730624 2958176 3590508 3889717 4437264 4787344 5461248 5916352 7181016 7779434 8874528 9574688 11669151 11832704 14362032 15558868 17749056 19149376 23338302 23665408 28724064 31117736 35498112 38298752 46676604 50566321 57448128 62235472 70996224 76597504 93353208 101132642 114896256 124470944 151698963 163667323 186706416 202265284 229792512 248941888 303397926 327334646 373412832 404530568 491001969 497883776 606795852 654669292 746825664 809061136 982003938 995767552 1213591704 1309338584 1493651328 1618122272 1964007876 2127675199 2427183408 2618677168 2987302656 3236244544 3928015752 4255350398 4854366816 5237354336 6383025597 6472489088 7856031504 8510700796 9708733632 10474708672 12766051194 12944978176 15712063008 17021401592 19417467264 20949417344 25532102388 27659777587 31424126016 34042803184 38834934528 41898834688 51064204776 55319555174 62848252032 68085606368 82979332761 102128409552 110639110348 125696504064 136171212736 165958665522 204256819104 221278220696 272342425472 331917331044 408513638208 442556441392 544684850944 663834662088 817027276416 885112882784 1327669324176 1634054552832 1770225765568 2655338648352 3540451531136 5310677296704 7080903062272 10621354593408 21242709186816
• Sum of all divisors σ(n): 61332214208160
• Sum of proper divisors (its aliquot sum) s(n): 40089505021344
• 21242709186816 is an abundant number, because the sum of its proper divisors (40089505021344) is greater than itself. Its abundance is 18846795834528

Bases of 21242709186816

• Binary: 100110101000111110100001000101001100100000000₂
• Hexadecimal: 0x1351F4229900
• Base-36: 7J2RKKUTC

Squares and roots of 21242709186816

• 21242709186816 squared (21242709186816²) is 451252693595636883988217856
• 21242709186816 cubed (21242709186816³) is 9585829739819501202990971462754810986496
• The square root of 21242709186816 is 4608981.3610835967
• The cube root of 21242709186816 is 27695.1231870347

Scales and comparisons

• 21,242,709,186,816 seconds is equal to 675,452 years, 23 weeks, 15 hours, 53 minutes, 36 seconds.
• To count from 1 to 21,242,709,186,816 would take you about one million, six hundred eighty-eight thousand, six hundred thirty-one 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 21242709186816 cubic inches would be around 2307.9 feet tall.

Recreational maths with 21242709186816

• 21242709186816 backwards is 61868190724212
• The number of decimal digits it has is: 14
• The sum of 21242709186816's digits is 57
• More coming soon!