20870400
20,870,400 is an even composite number composed of four prime numbers multiplied together.
20870400 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 20870400:
28 × 3 × 52 × 1087
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 1087)See below for interesting mathematical facts about the number 20870400 from the Numbermatics database.
Names of 20870400
- Cardinal: 20870400 can be written as Twenty million, eight hundred seventy thousand, four hundred.
Scientific notation
- Scientific notation: 2.08704 × 107
Factors of 20870400
Divisors of 20870400
- Number of divisors d(n): 108
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 128 150 160 192 200 240 256 300 320 384 400 480 600 640 768 800 960 1087 1200 1280 1600 1920 2174 2400 3200 3261 3840 4348 4800 5435 6400 6522 8696 9600 10870 13044 16305 17392 19200 21740 26088 27175 32610 34784 43480 52176 54350 65220 69568 81525 86960 104352 108700 130440 139136 163050 173920 208704 217400 260880 278272 326100 347840 417408 434800 521760 652200 695680 834816 869600 1043520 1304400 1391360 1739200 2087040 2608800 3478400 4174080 5217600 6956800 10435200 20870400
- Sum of all divisors σ(n): 68940032
- Sum of proper divisors (its aliquot sum) s(n): 48069632
- 20870400 is an abundant number, because the sum of its proper divisors (48069632) is greater than itself. Its abundance is 27199232
Bases of 20870400
- Binary: 10011111001110101000000002
- Hexadecimal: 0x13E7500
- Base-36: CFBPC
Squares and roots of 20870400
- 20870400 squared (208704002) is 435573596160000
- 20870400 cubed (208704003) is 9090595181297664000000
-
The
square root of 20870400 is 4568.4132912861 -
The
cube root of 20870400 is 275.3236959707
Scales and comparisons
How big is 20870400?- 20,870,400 seconds is equal to 34 weeks, 3 days, 13 hours, 20 minutes.
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To count from 1 to 20,870,400 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 20870400 cubic inches would be around 22.9 feet tall.
Recreational maths with 20870400
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The information we have on file for 20870400 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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