21339834459840

Names of 21339834459840

• Cardinal: 21339834459840 can be written as Twenty-one trillion, three hundred thirty-nine billion, eight hundred thirty-four million, four hundred fifty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.133983445984 × 10¹³

Factors of 21339834459840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 569974234

Divisors of 21339834459840

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 64 65 72 78 80 90 96 104 117 120 130 144 156 160 180 192 195 208 234 240 260 288 312 320 360 390 416 468 480 520 576 585 624 720 780 832 936 960 1040 1170 1248 1440 1560 1872 2080 2340 2496 2880 3120 3744 4160 4680 6240 7488 9360 12480 18720 37440 569974211 1139948422 1709922633 2279896844 2849871055 3419845266 4559793688 5129767899 5699742110 6839690532 7409664743 8549613165 9119587376 10259535798 11399484220 13679381064 14819329486 17099226330 18239174752 20519071596 22228994229 22798968440 25648839495 27358762128 29638658972 34198452660 36478349504 37048323715 41038143192 44457988458 45597936880 51297678990 54717524256 59277317944 66686982687 68396905320 74096647430 82076286384 88915976916 91195873760 102595357980 109435048512 111144971145 118554635888 133373965374 136793810640 148193294860 164152572768 177831953832 182391747520 205190715960 222289942290 237109271776 266747930748 273587621280 296386589720 328305145536 333434913435 355663907664 410381431920 444579884580 474218543552 533495861496 547175242560 592773179440 666869826870 711327815328 820762863840 889159769160 1066991722992 1185546358880 1333739653740 1422655630656 1641525727680 1778319538320 2133983445984 2371092717760 2667479307480 3556639076640 4267966891968 5334958614960 7113278153280 10669917229920 21339834459840
• Sum of all divisors σ(n): 79046303617008
• Sum of proper divisors (its aliquot sum) s(n): 57706469157168
• 21339834459840 is an abundant number, because the sum of its proper divisors (57706469157168) is greater than itself. Its abundance is 36366634697328

Bases of 21339834459840

• Binary: 100110110100010010001010000001010011011000000₂
• Hexadecimal: 0x13689140A6C0
• Base-36: 7KBDUGJ40

Squares and roots of 21339834459840

• 21339834459840 squared (21339834459840²) is 455388534773374744572825600
• 21339834459840 cubed (21339834459840³) is 9717915946972908499165141759318523904000
• The square root of 21339834459840 is 4619505.8674970855
• The cube root of 21339834459840 is 27737.2679562451

Scales and comparisons

• 21,339,834,459,840 seconds is equal to 678,540 years, 37 weeks, 5 days, 18 hours, 24 minutes.
• To count from 1 to 21,339,834,459,840 would take you about one million, six hundred ninety-six thousand, three hundred fifty-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 21339834459840 cubic inches would be around 2311.4 feet tall.

Recreational maths with 21339834459840

• 21339834459840 backwards is 04895443893312
• The number of decimal digits it has is: 14
• The sum of 21339834459840's digits is 63
• More coming soon!