20872960
20,872,960 is an even composite number composed of four prime numbers multiplied together.
20872960 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 20872960:
28 × 5 × 23 × 709
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 23 × 709)See below for interesting mathematical facts about the number 20872960 from the Numbermatics database.
Names of 20872960
- Cardinal: 20872960 can be written as Twenty million, eight hundred seventy-two thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 2.087296 × 107
Factors of 20872960
Divisors of 20872960
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 8 10 16 20 23 32 40 46 64 80 92 115 128 160 184 230 256 320 368 460 640 709 736 920 1280 1418 1472 1840 2836 2944 3545 3680 5672 5888 7090 7360 11344 14180 14720 16307 22688 28360 29440 32614 45376 56720 65228 81535 90752 113440 130456 163070 181504 226880 260912 326140 453760 521824 652280 907520 1043648 1304560 2087296 2609120 4174592 5218240 10436480 20872960
- Sum of all divisors σ(n): 52244640
- Sum of proper divisors (its aliquot sum) s(n): 31371680
- 20872960 is an abundant number, because the sum of its proper divisors (31371680) is greater than itself. Its abundance is 10498720
Bases of 20872960
- Binary: 10011111001111111000000002
- Hexadecimal: 0x13E7F00
- Base-36: CFDOG
Squares and roots of 20872960
- 20872960 squared (208729602) is 435680459161600
- 20872960 cubed (208729603) is 9093940796861710336000
-
The
square root of 20872960 is 4568.6934675025 -
The
cube root of 20872960 is 275.3349527401
Scales and comparisons
How big is 20872960?- 20,872,960 seconds is equal to 34 weeks, 3 days, 14 hours, 2 minutes, 40 seconds.
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To count from 1 to 20,872,960 would take you about fifty-one weeks!
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 20872960 cubic inches would be around 22.9 feet tall.
Recreational maths with 20872960
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The information we have on file for 20872960 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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