61390900
61,390,900 is an even composite number composed of five prime numbers multiplied together.
61390900 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 61390900:
22 × 52 × 19 × 79 × 409
(2 × 2 × 5 × 5 × 19 × 79 × 409)See below for interesting mathematical facts about the number 61390900 from the Numbermatics database.
Names of 61390900
- Cardinal: 61390900 can be written as Sixty-one million, three hundred ninety thousand, nine hundred.
Scientific notation
- Scientific notation: 6.13909 × 107
Factors of 61390900
Divisors of 61390900
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 10 19 20 25 38 50 76 79 95 100 158 190 316 380 395 409 475 790 818 950 1501 1580 1636 1900 1975 2045 3002 3950 4090 6004 7505 7771 7900 8180 10225 15010 15542 20450 30020 31084 32311 37525 38855 40900 64622 75050 77710 129244 150100 155420 161555 194275 323110 388550 613909 646220 777100 807775 1227818 1615550 2455636 3069545 3231100 6139090 12278180 15347725 30695450 61390900
- Sum of all divisors σ(n): 142352000
- Sum of proper divisors (its aliquot sum) s(n): 80961100
- 61390900 is an abundant number, because the sum of its proper divisors (80961100) is greater than itself. Its abundance is 19570200
Bases of 61390900
- Binary: 111010100011000000001101002
- Hexadecimal: 0x3A8C034
- Base-36: 10JTIS
Squares and roots of 61390900
- 61390900 squared (613909002) is 3768842602810000
- 61390900 cubed (613909003) is 231372639344848429000000
-
The
square root of 61390900 is 7835.2345210595 -
The
cube root of 61390900 is 394.4887901533
Scales and comparisons
How big is 61390900?- 61,390,900 seconds is equal to 1 year, 49 weeks, 3 days, 13 hours, 1 minute, 40 seconds.
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To count from 1 to 61,390,900 would take you about two years!
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 61390900 cubic inches would be around 32.9 feet tall.
Recreational maths with 61390900
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The information we have on file for 61390900 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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