21055413120

Names of 21055413120

• Cardinal: 21055413120 can be written as Twenty-one billion, fifty-five million, four hundred thirteen thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.105541312 × 10¹⁰

Factors of 21055413120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 5081

Divisors of 21055413120

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 128 140 160 168 192 210 224 240 280 320 331 336 384 420 448 480 560 640 662 672 840 896 960 993 1120 1324 1344 1655 1680 1920 1986 2240 2317 2648 2688 3310 3360 3972 4480 4634 4733 4965 5296 6620 6720 6951 7944 9268 9466 9930 10592 11585 13240 13440 13902 14199 15888 18536 18932 19860 21184 23170 23665 26480 27804 28398 31776 33131 34755 37072 37864 39720 42368 46340 47330 52960 55608 56796 63552 66262 69510 70995 74144 75728 79440 92680 94660 99393 105920 111216 113592 127104 132524 139020 141990 148288 151456 158880 165655 185360 189320 198786 211840 222432 227184 265048 278040 283980 296576 302912 317760 331310 370720 378640 397572 444864 454368 496965 530096 556080 567960 605824 635520 662620 741440 757280 795144 889728 908736 993930 1060192 1112160 1135920 1325240 1482880 1514560 1566623 1590288 1817472 1987860 2120384 2224320 2271840 2650480 3029120 3133246 3180576 3975720 4240768 4448640 4543680 4699869 5300960 6266492 6361152 7833115 7951440 9087360 9399738 10601920 10966361 12532984 12722304 15666230 15902880 18799476 21203840 21932722 23499345 25065968 31332460 31805760 32899083 37598952 43865444 46998690 50131936 54831805 62664920 63611520 65798166 75197904 87730888 93997380 100263872 109663610 125329840 131596332 150395808 164495415 175461776 187994760 200527744 219327220 250659680 263192664 300791616 328990830 350923552 375989520 438654440 501319360 526385328 601583232 657981660 701847104 751979040 877308880 1002638720 1052770656 1315963320 1403694208 1503958080 1754617760 2105541312 2631926640 3007916160 3509235520 4211082624 5263853280 7018471040 10527706560 21055413120
• Sum of all divisors σ(n): 76949844480
• Sum of proper divisors (its aliquot sum) s(n): 55894431360
• 21055413120 is an abundant number, because the sum of its proper divisors (55894431360) is greater than itself. Its abundance is 34839018240

Bases of 21055413120

• Binary: 10011100111000000000001101110000000₂
• Hexadecimal: 0x4E7001B80
• Base-36: 9O7UKQO

Squares and roots of 21055413120

• 21055413120 squared (21055413120²) is 443330421653868134400
• 21055413120 cubed (21055413120³) is 9334505176585987215795683328000
• The square root of 21055413120 is 145104.8349297845
• The cube root of 21055413120 is 2761.3487211993

Scales and comparisons

• 21,055,413,120 seconds is equal to 669 years, 25 weeks, 5 days, 21 hours, 52 minutes.
• To count from 1 to 21,055,413,120 would take you about one thousand, three hundred thirty-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 21055413120 cubic inches would be around 230.1 feet tall.

Recreational maths with 21055413120

• 21055413120 backwards is 02131455012
• 21055413120 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21055413120's digits is 24
• More coming soon!