21007373440
21,007,373,440 is an even composite number composed of four prime numbers multiplied together.
21007373440 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21007373440:
27 × 5 × 239 × 137339
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 239 × 137339)See below for interesting mathematical facts about the number 21007373440 from the Numbermatics database.
Names of 21007373440
- Cardinal: 21007373440 can be written as Twenty-one billion, seven million, three hundred seventy-three thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.100737344 × 1010
Factors of 21007373440
Divisors of 21007373440
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 64 80 128 160 239 320 478 640 956 1195 1912 2390 3824 4780 7648 9560 15296 19120 30592 38240 76480 137339 152960 274678 549356 686695 1098712 1373390 2197424 2746780 4394848 5493560 8789696 10987120 17579392 21974240 32824021 43948480 65648042 87896960 131296084 164120105 262592168 328240210 525184336 656480420 1050368672 1312960840 2100737344 2625921680 4201474688 5251843360 10503686720 21007373440
- Sum of all divisors σ(n): 50431248000
- Sum of proper divisors (its aliquot sum) s(n): 29423874560
- 21007373440 is an abundant number, because the sum of its proper divisors (29423874560) is greater than itself. Its abundance is 8416501120
Bases of 21007373440
- Binary: 100111001000010001100010100100000002
- Hexadecimal: 0x4E4231480
- Base-36: 9NF8X34
Squares and roots of 21007373440
- 21007373440 squared (210073734402) is 441309738847617433600
- 21007373440 cubed (210073734403) is 9270758486680774681889603584000
-
The
square root of 21007373440 is 144939.2060141077 -
The
cube root of 21007373440 is 2759.2470395787
Scales and comparisons
How big is 21007373440?- 21,007,373,440 seconds is equal to 667 years, 50 weeks, 2 days, 21 hours, 30 minutes, 40 seconds.
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To count from 1 to 21,007,373,440 would take you about one thousand, three hundred thirty-five 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 21007373440 cubic inches would be around 229.9 feet tall.
Recreational maths with 21007373440
- 21007373440 backwards is 04437370012
- The number of decimal digits it has is: 11
- The sum of 21007373440's digits is 31
- More coming soon!
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The information we have on file for 21007373440 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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