21337808968626780

Names of 21337808968626780

• Cardinal: 21337808968626780 can be written as Twenty-one quadrillion, three hundred thirty-seven trillion, eight hundred eight billion, nine hundred sixty-eight million, six hundred twenty-six thousand, seven hundred eighty.

Scientific notation

• Scientific notation: 2.133780896862678 × 10¹⁶

Factors of 21337808968626780

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 11834394

Divisors of 21337808968626780

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 43 60 70 84 86 105 129 140 172 210 215 258 301 420 430 516 602 645 860 903 1204 1290 1505 1806 2580 3010 3612 4515 6020 9030 18060 100693 201386 302079 402772 503465 604158 704851 1006930 1208316 1409702 1510395 2013860 2114553 2819404 3020790 3524255 4229106 4329799 6041580 7048510 8458212 8659598 10572765 11733641 12989397 14097020 17319196 21145530 21648995 23467282 25978794 30308593 35200923 42291060 43297990 46934564 51957588 58668205 60617186 64946985 70401846 82135487 86595980 90925779 117336410 121234372 129893970 140803692 151542965 164270974 176004615 181851558 234672820 246406461 259787940 303085930 328541948 352009230 363703116 410677435 454628895 492812922 504546563 606171860 704018460 821354870 909257790 985625844 1009093126 1232032305 1513639689 1642709740 1818515580 2018186252 2464064610 2522732815 3027279378 3531825941 4928129220 5045465630 6054558756 7063651882 7568198445 10090931260 10595477823 14127303764 15136396890 17659129705 21190955646 30272793780 35318259410 42381911292 52977389115 70636518820 105954778230 211909556460 1181495513213 2362991026426 3544486539639 4725982052852 5907477566065 7088973079278 8270468592491 11814955132130 14177946158556 16540937184982 17722432698195 23629910264260 24811405777473 33081874369964 35444865396390 41352342962455 49622811554946 50804307068159 70889730792780 82704685924910 99245623109892 101608614136318 124057028887365 152412921204477 165409371849820 203217228272636 248114057774730 254021535340795 304825842408954 355630149477113 496228115549460 508043070681590 609651684817908 711260298954226 762064606022385 1016086141363180 1066890448431339 1422520597908452 1524129212044770 1778150747385565 2133780896862678 3048258424089540 3556301494771130 4267561793725356 5334452242156695 7112602989542260 10668904484313390 21337808968626780
• Sum of all divisors σ(n): 69869618504598528
• Sum of proper divisors (its aliquot sum) s(n): 48531809535971748
• 21337808968626780 is an abundant number, because the sum of its proper divisors (48531809535971748) is greater than itself. Its abundance is 27194000567344968

Bases of 21337808968626780

• Binary: 1001011110011101001111111001011110111000011001001011100₂
• Hexadecimal: 0x4BCE9FCBDC325C
• Base-36: 5U3ME460OKC

Squares and roots of 21337808968626780

• 21337808968626780 squared (21337808968626780²) is 455302091581609448834318933168400
• 21337808968626780 cubed (21337808968626780³) is 9715149053184597646171988848673252595142489752000
• The square root of 21337808968626780 is 146074669.1546031879
• The cube root of 21337808968626780 is 277363.9035852617

Scales and comparisons

• 21,337,808,968,626,780 seconds is equal to 678,476,323 years, 1 week, 2 days, 7 hours, 53 minutes.
• To count from 1 to 21,337,808,968,626,780 would take you about two billion, thirty-five million, four hundred twenty-eight thousand, nine 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 21337808968626780 cubic inches would be around 23113.7 feet tall.

Recreational maths with 21337808968626780

• 21337808968626780 backwards is 08762686980873312
• 21337808968626780 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21337808968626780's digits is 84
• More coming soon!