21522680640

Names of 21522680640

• Cardinal: 21522680640 can be written as Twenty-one billion, five hundred twenty-two million, six hundred eighty thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.152268064 × 10¹⁰

Factors of 21522680640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 13110

Divisors of 21522680640

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 135 144 160 180 192 193 216 240 270 288 320 360 386 432 480 540 576 579 720 772 864 960 965 1080 1158 1440 1544 1728 1737 1930 2160 2316 2880 2895 3088 3474 3860 4320 4632 5211 5790 6176 6948 7720 8640 8685 9264 10422 11580 12352 12907 13896 15440 17370 18528 20844 23160 25814 26055 27792 30880 34740 37056 38721 41688 46320 51628 52110 55584 61760 64535 69480 77442 83376 92640 103256 104220 111168 116163 129070 138960 154884 166752 185280 193605 206512 208440 232326 258140 277920 309768 333504 348489 387210 413024 416880 464652 516280 555840 580815 619536 696978 774420 826048 833760 929304 1032560 1161630 1239072 1393956 1548840 1667520 1742445 1858608 2065120 2323260 2478144 2491051 2787912 3097680 3484890 3717216 4130240 4646520 4982102 5575824 6195360 6969780 7434432 7473153 9293040 9964204 11151648 12390720 12455255 13939560 14946306 18586080 19928408 22303296 22419459 24910510 27879120 29892612 37172160 37365765 39856816 44838918 49821020 55758240 59785224 67258377 74731530 79713632 89677836 99642040 111516480 112097295 119570448 134516754 149463060 159427264 179355672 199284080 224194590 239140896 269033508 298926120 336291885 358711344 398568160 448389180 478281792 538067016 597852240 672583770 717422688 797136320 896778360 1076134032 1195704480 1345167540 1434845376 1793556720 2152268064 2391408960 2690335080 3587113440 4304536128 5380670160 7174226880 10761340320 21522680640
• Sum of all divisors σ(n): 76326552960
• Sum of proper divisors (its aliquot sum) s(n): 54803872320
• 21522680640 is an abundant number, because the sum of its proper divisors (54803872320) is greater than itself. Its abundance is 33281191680

Bases of 21522680640

• Binary: 10100000010110110100000101101000000₂
• Hexadecimal: 0x502DA0B40
• Base-36: 9VY1QO0

Squares and roots of 21522680640

• 21522680640 squared (21522680640²) is 463225781931430809600
• 21522680640 cubed (21522680640³) is 9969860568724467693277446144000
• The square root of 21522680640 is 146706.1029405389
• The cube root of 21522680640 is 2781.6263209747

Scales and comparisons

• 21,522,680,640 seconds is equal to 684 years, 18 weeks, 3 days, 2 hours, 24 minutes.
• To count from 1 to 21,522,680,640 would take you about one thousand, three hundred sixty-eight 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 21522680640 cubic inches would be around 231.8 feet tall.

Recreational maths with 21522680640

• 21522680640 backwards is 04608622512
• 21522680640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21522680640's digits is 36
• More coming soon!