21016906736400

Names of 21016906736400

• Cardinal: 21016906736400 can be written as Twenty-one trillion, sixteen billion, nine hundred six million, seven hundred thirty-six thousand, four hundred.

Scientific notation

• Scientific notation: 2.10169067364 × 10¹³

Factors of 21016906736400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 25479

Divisors of 21016906736400

• Number of divisors d(n): 225
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 36 40 45 48 50 54 60 72 75 80 81 90 100 108 120 135 144 150 162 180 200 216 225 240 270 300 324 360 400 405 432 450 540 600 648 675 720 810 900 1080 1200 1296 1350 1620 1800 2025 2160 2700 3240 3600 4050 5400 6480 8100 10800 16200 25469 32400 50938 76407 101876 127345 152814 203752 229221 254690 305628 382035 407504 458442 509380 611256 636725 687663 764070 916884 1018760 1146105 1222512 1273450 1375326 1528140 1833768 1910175 2037520 2062989 2292210 2546900 2750652 3056280 3438315 3667536 3820350 4125978 4584420 5093800 5501304 5730525 6112560 6876630 7640700 8251956 9168840 10187600 10314945 11002608 11461050 13753260 15281400 16503912 17191575 18337680 20629890 22922100 27506520 30562800 33007824 34383150 41259780 45844200 51574725 55013040 68766300 82519560 91688400 103149450 137532600 165039120 206298900 275065200 412597800 648669961 825195600 1297339922 1946009883 2594679844 3243349805 3892019766 5189359688 5838029649 6486699610 7784039532 9730049415 10378719376 11676059298 12973399220 15568079064 16216749025 17514088947 19460098830 23352118596 25946798440 29190148245 31136158128 32433498050 35028177894 38920197660 46704237192 48650247075 51893596880 52542266841 58380296490 64866996100 70056355788 77840395320 87570444735 93408474384 97300494150 105084533682 116760592980 129733992200 140112711576 145950741225 155680790640 175140889470 194600988300 210169067364 233521185960 259467984400 262711334205 280225423152 291901482450 350281778940 389201976600 420338134728 437852223675 467042371920 525422668410 583802964900 700563557880 778403953200 840676269456 875704447350 1050845336820 1167605929800 1313556671025 1401127115760 1751408894700 2101690673640 2335211859600 2627113342050 3502817789400 4203381347280 5254226684100 7005635578800 10508453368200 21016906736400
• Sum of all divisors σ(n): 75430953412111
• Sum of proper divisors (its aliquot sum) s(n): 54414046675711
• 21016906736400 is an abundant number, because the sum of its proper divisors (54414046675711) is greater than itself. Its abundance is 33397139939311

Bases of 21016906736400

• Binary: 100110001110101100001010000101010001100010000₂
• Hexadecimal: 0x131D6142A310
• Base-36: 7G717MP00

Squares and roots of 21016906736400

• 21016906736400 squared (21016906736400²) is 441710368766535699084960000
• 21016906736400 cubed (21016906736400³) is 9283385624867132292989779139924544000000
• 21016906736400 is a perfect square number. Its square root is 4584420
• The cube root of 21016906736400 is 27596.6436514079

Scales and comparisons

• 21,016,906,736,400 seconds is equal to 668,272 years, 32 weeks, 3 days, 9 hours.
• To count from 1 to 21,016,906,736,400 would take you about one million, six hundred seventy thousand, six hundred eighty-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 21016906736400 cubic inches would be around 2299.7 feet tall.

Recreational maths with 21016906736400

• 21016906736400 backwards is 00463760961012
• 21016906736400 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21016906736400's digits is 45
• More coming soon!