21292942720
21,292,942,720 is an even composite number composed of five prime numbers multiplied together.
21292942720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 21292942720:
27 × 5 × 7 × 31 × 153319
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 31 × 153319)See below for interesting mathematical facts about the number 21292942720 from the Numbermatics database.
Names of 21292942720
- Cardinal: 21292942720 can be written as Twenty-one billion, two hundred ninety-two million, nine hundred forty-two thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.129294272 × 1010
Factors of 21292942720
Divisors of 21292942720
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 31 32 35 40 56 62 64 70 80 112 124 128 140 155 160 217 224 248 280 310 320 434 448 496 560 620 640 868 896 992 1085 1120 1240 1736 1984 2170 2240 2480 3472 3968 4340 4480 4960 6944 8680 9920 13888 17360 19840 27776 34720 69440 138880 153319 306638 613276 766595 1073233 1226552 1533190 2146466 2453104 3066380 4292932 4752889 4906208 5366165 6132760 8585864 9505778 9812416 10732330 12265520 17171728 19011556 19624832 21464660 23764445 24531040 33270223 34343456 38023112 42929320 47528890 49062080 66540446 68686912 76046224 85858640 95057780 98124160 133080892 137373824 152092448 166351115 171717280 190115560 266161784 304184896 332702230 343434560 380231120 532323568 608369792 665404460 686869120 760462240 1064647136 1330808920 1520924480 2129294272 2661617840 3041848960 4258588544 5323235680 10646471360 21292942720
- Sum of all divisors σ(n): 60052377600
- Sum of proper divisors (its aliquot sum) s(n): 38759434880
- 21292942720 is an abundant number, because the sum of its proper divisors (38759434880) is greater than itself. Its abundance is 17466492160
Bases of 21292942720
- Binary: 100111101010010100010000101100000002
- Hexadecimal: 0x4F5288580
- Base-36: 9S59NR4
Squares and roots of 21292942720
- 21292942720 squared (212929427202) is 453389409677200998400
- 21292942720 cubed (212929427203) is 9653994730111254548858011648000
-
The
square root of 21292942720 is 145921.0153473447 -
The
cube root of 21292942720 is 2771.6936611541
Scales and comparisons
How big is 21292942720?- 21,292,942,720 seconds is equal to 677 years, 2 weeks, 4 days, 2 hours, 18 minutes, 40 seconds.
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To count from 1 to 21,292,942,720 would take you about one thousand, three hundred fifty-four 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 21292942720 cubic inches would be around 231 feet tall.
Recreational maths with 21292942720
- 21292942720 backwards is 02724929212
- 21292942720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21292942720's digits is 40
- More coming soon!
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The information we have on file for 21292942720 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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