21105672800
21,105,672,800 is an even composite number composed of five prime numbers multiplied together.
21105672800 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 21105672800:
25 × 52 × 43 × 127 × 4831
(2 × 2 × 2 × 2 × 2 × 5 × 5 × 43 × 127 × 4831)See below for interesting mathematical facts about the number 21105672800 from the Numbermatics database.
Names of 21105672800
- Cardinal: 21105672800 can be written as Twenty-one billion, one hundred five million, six hundred seventy-two thousand, eight hundred.
Scientific notation
- Scientific notation: 2.11056728 × 1010
Factors of 21105672800
Divisors of 21105672800
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 40 43 50 80 86 100 127 160 172 200 215 254 344 400 430 508 635 688 800 860 1016 1075 1270 1376 1720 2032 2150 2540 3175 3440 4064 4300 4831 5080 5461 6350 6880 8600 9662 10160 10922 12700 17200 19324 20320 21844 24155 25400 27305 34400 38648 43688 48310 50800 54610 77296 87376 96620 101600 109220 120775 136525 154592 174752 193240 207733 218440 241550 273050 386480 415466 436880 483100 546100 613537 772960 830932 873760 966200 1038665 1092200 1227074 1661864 1932400 2077330 2184400 2454148 3067685 3323728 3864800 4154660 4368800 4908296 5193325 6135370 6647456 8309320 9816592 10386650 12270740 15338425 16618640 19633184 20773300 24541480 26382091 30676850 33237280 41546600 49082960 52764182 61353700 83093200 98165920 105528364 122707400 131910455 166186400 211056728 245414800 263820910 422113456 490829600 527641820 659552275 844226912 1055283640 1319104550 2110567280 2638209100 4221134560 5276418200 10552836400 21105672800
- Sum of all divisors σ(n): 53148598272
- Sum of proper divisors (its aliquot sum) s(n): 32042925472
- 21105672800 is an abundant number, because the sum of its proper divisors (32042925472) is greater than itself. Its abundance is 10937252672
Bases of 21105672800
- Binary: 100111010011111111100000010011000002
- Hexadecimal: 0x4E9FF0260
- Base-36: 9P1RTCW
Squares and roots of 21105672800
- 21105672800 squared (211056728002) is 445449424340659840000
- 21105672800 cubed (211056728003) is 9401509799082322319140352000000
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The
square root of 21105672800 is 145277.9157339477 -
The
cube root of 21105672800 is 2763.5441063227
Scales and comparisons
How big is 21105672800?- 21,105,672,800 seconds is equal to 671 years, 4 weeks, 6 days, 14 hours, 53 minutes, 20 seconds.
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To count from 1 to 21,105,672,800 would take you about one thousand, three hundred forty-two 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 21105672800 cubic inches would be around 230.3 feet tall.
Recreational maths with 21105672800
- 21105672800 backwards is 00827650112
- 21105672800 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21105672800's digits is 32
- More coming soon!
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The information we have on file for 21105672800 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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