20697992
20,697,992 is an even composite number composed of four prime numbers multiplied together.
20697992 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 20697992:
23 × 73 × 19 × 397
(2 × 2 × 2 × 7 × 7 × 7 × 19 × 397)See below for interesting mathematical facts about the number 20697992 from the Numbermatics database.
Names of 20697992
- Cardinal: 20697992 can be written as Twenty million, six hundred ninety-seven thousand, nine hundred ninety-two.
Scientific notation
- Scientific notation: 2.0697992 × 107
Factors of 20697992
Divisors of 20697992
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 7 8 14 19 28 38 49 56 76 98 133 152 196 266 343 392 397 532 686 794 931 1064 1372 1588 1862 2744 2779 3176 3724 5558 6517 7448 7543 11116 13034 15086 19453 22232 26068 30172 38906 52136 52801 60344 77812 105602 136171 155624 211204 272342 369607 422408 544684 739214 1089368 1478428 2587249 2956856 5174498 10348996 20697992
- Sum of all divisors σ(n): 47760000
- Sum of proper divisors (its aliquot sum) s(n): 27062008
- 20697992 is an abundant number, because the sum of its proper divisors (27062008) is greater than itself. Its abundance is 6364016
Bases of 20697992
- Binary: 10011101111010011100010002
- Hexadecimal: 0x13BD388
- Base-36: CBMO8
Squares and roots of 20697992
- 20697992 squared (206979922) is 428406872832064
- 20697992 cubed (206979923) is 8867162026623078015488
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The
square root of 20697992 is 4549.5045884141 -
The
cube root of 20697992 is 274.5634594597
Scales and comparisons
How big is 20697992?- 20,697,992 seconds is equal to 34 weeks, 1 day, 13 hours, 26 minutes, 32 seconds.
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To count from 1 to 20,697,992 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 20697992 cubic inches would be around 22.9 feet tall.
Recreational maths with 20697992
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The information we have on file for 20697992 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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