21996450
21,996,450 is an even composite number composed of five prime numbers multiplied together.
21996450 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 21996450:
2 × 32 × 52 × 7 × 6983
(2 × 3 × 3 × 5 × 5 × 7 × 6983)See below for interesting mathematical facts about the number 21996450 from the Numbermatics database.
Names of 21996450
- Cardinal: 21996450 can be written as Twenty-one million, nine hundred ninety-six thousand, four hundred fifty.
Scientific notation
- Scientific notation: 2.199645 × 107
Factors of 21996450
Divisors of 21996450
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 21 25 30 35 42 45 50 63 70 75 90 105 126 150 175 210 225 315 350 450 525 630 1050 1575 3150 6983 13966 20949 34915 41898 48881 62847 69830 97762 104745 125694 146643 174575 209490 244405 293286 314235 349150 439929 488810 523725 628470 733215 879858 1047450 1222025 1466430 1571175 2199645 2444050 3142350 3666075 4399290 7332150 10998225 21996450
- Sum of all divisors σ(n): 67549248
- Sum of proper divisors (its aliquot sum) s(n): 45552798
- 21996450 is an abundant number, because the sum of its proper divisors (45552798) is greater than itself. Its abundance is 23556348
Bases of 21996450
- Binary: 10100111110100011101000102
- Hexadecimal: 0x14FA3A2
- Base-36: D3GKI
Squares and roots of 21996450
- 21996450 squared (219964502) is 483843812602500
- 21996450 cubed (219964503) is 10642846231720261125000
-
The
square root of 21996450 is 4690.0373132843 -
The
cube root of 21996450 is 280.1888606797
Scales and comparisons
How big is 21996450?- 21,996,450 seconds is equal to 36 weeks, 2 days, 14 hours, 7 minutes, 30 seconds.
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To count from 1 to 21,996,450 would take you about two 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 21996450 cubic inches would be around 23.3 feet tall.
Recreational maths with 21996450
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The information we have on file for 21996450 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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