20729700
20,729,700 is an even composite number composed of five prime numbers multiplied together.
20729700 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 20729700:
22 × 32 × 52 × 31 × 743
(2 × 2 × 3 × 3 × 5 × 5 × 31 × 743)See below for interesting mathematical facts about the number 20729700 from the Numbermatics database.
Names of 20729700
- Cardinal: 20729700 can be written as Twenty million, seven hundred twenty-nine thousand, seven hundred.
Scientific notation
- Scientific notation: 2.07297 × 107
Factors of 20729700
Divisors of 20729700
- Number of divisors d(n): 108
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 25 30 31 36 45 50 60 62 75 90 93 100 124 150 155 180 186 225 279 300 310 372 450 465 558 620 743 775 900 930 1116 1395 1486 1550 1860 2229 2325 2790 2972 3100 3715 4458 4650 5580 6687 6975 7430 8916 9300 11145 13374 13950 14860 18575 22290 23033 26748 27900 33435 37150 44580 46066 55725 66870 69099 74300 92132 111450 115165 133740 138198 167175 207297 222900 230330 276396 334350 345495 414594 460660 575825 668700 690990 829188 1036485 1151650 1381980 1727475 2072970 2303300 3454950 4145940 5182425 6909900 10364850 20729700
- Sum of all divisors σ(n): 67162368
- Sum of proper divisors (its aliquot sum) s(n): 46432668
- 20729700 is an abundant number, because the sum of its proper divisors (46432668) is greater than itself. Its abundance is 25702968
Bases of 20729700
- Binary: 10011110001001111011001002
- Hexadecimal: 0x13C4F64
- Base-36: CCB50
Squares and roots of 20729700
- 20729700 squared (207297002) is 429720462090000
- 20729700 cubed (207297003) is 8907976262987073000000
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The
square root of 20729700 is 4552.9880298547 -
The
cube root of 20729700 is 274.7035924787
Scales and comparisons
How big is 20729700?- 20,729,700 seconds is equal to 34 weeks, 1 day, 22 hours, 15 minutes.
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To count from 1 to 20,729,700 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 20729700 cubic inches would be around 22.9 feet tall.
Recreational maths with 20729700
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The information we have on file for 20729700 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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