21213500
21,213,500 is an even composite number composed of six prime numbers multiplied together.
21213500 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21213500:
22 × 53 × 7 × 11 × 19 × 29
(2 × 2 × 5 × 5 × 5 × 7 × 11 × 19 × 29)See below for interesting mathematical facts about the number 21213500 from the Numbermatics database.
Names of 21213500
- Cardinal: 21213500 can be written as Twenty-one million, two hundred thirteen thousand, five hundred.
Scientific notation
- Scientific notation: 2.12135 × 107
Factors of 21213500
Divisors of 21213500
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 4 5 7 10 11 14 19 20 22 25 28 29 35 38 44 50 55 58 70 76 77 95 100 110 116 125 133 140 145 154 175 190 203 209 220 250 266 275 290 308 319 350 380 385 406 418 475 500 532 550 551 580 638 665 700 725 770 812 836 875 950 1015 1045 1100 1102 1276 1330 1375 1450 1463 1540 1595 1750 1900 1925 2030 2090 2204 2233 2375 2660 2750 2755 2900 2926 3190 3325 3500 3625 3850 3857 4060 4180 4466 4750 5075 5225 5500 5510 5852 6061 6380 6650 7250 7315 7700 7714 7975 8932 9500 9625 10150 10450 11020 11165 12122 13300 13775 14500 14630 15428 15950 16625 19250 19285 20300 20900 22330 24244 25375 26125 27550 29260 30305 31900 33250 36575 38500 38570 39875 42427 44660 50750 52250 55100 55825 60610 66500 68875 73150 77140 79750 84854 96425 101500 104500 111650 121220 137750 146300 151525 159500 169708 182875 192850 212135 223300 275500 279125 303050 365750 385700 424270 482125 558250 606100 731500 757625 848540 964250 1060675 1116500 1515250 1928500 2121350 3030500 4242700 5303375 10606750 21213500
- Sum of all divisors σ(n): 62899200
- Sum of proper divisors (its aliquot sum) s(n): 41685700
- 21213500 is an abundant number, because the sum of its proper divisors (41685700) is greater than itself. Its abundance is 20472200
Bases of 21213500
- Binary: 10100001110110001001111002
- Hexadecimal: 0x143B13C
- Base-36: CMOFW
Squares and roots of 21213500
- 21213500 squared (212135002) is 450012582250000
- 21213500 cubed (212135003) is 9546341913560375000000
-
The
square root of 21213500 is 4605.8115462967 -
The
cube root of 21213500 is 276.8242356573
Scales and comparisons
How big is 21213500?- 21,213,500 seconds is equal to 35 weeks, 12 hours, 38 minutes, 20 seconds.
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To count from 1 to 21,213,500 would take you about four days!
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 21213500 cubic inches would be around 23.1 feet tall.
Recreational maths with 21213500
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The information we have on file for 21213500 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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