61399980
61,399,980 is an even composite number composed of five prime numbers multiplied together.
61399980 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 61399980:
22 × 32 × 5 × 263 × 1297
(2 × 2 × 3 × 3 × 5 × 263 × 1297)See below for interesting mathematical facts about the number 61399980 from the Numbermatics database.
Names of 61399980
- Cardinal: 61399980 can be written as Sixty-one million, three hundred ninety-nine thousand, nine hundred eighty.
Scientific notation
- Scientific notation: 6.139998 × 107
Factors of 61399980
Divisors of 61399980
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 263 526 789 1052 1297 1315 1578 2367 2594 2630 3156 3891 3945 4734 5188 5260 6485 7782 7890 9468 11673 11835 12970 15564 15780 19455 23346 23670 25940 38910 46692 47340 58365 77820 116730 233460 341111 682222 1023333 1364444 1705555 2046666 3069999 3411110 4093332 5116665 6139998 6822220 10233330 12279996 15349995 20466660 30699990 61399980
- Sum of all divisors σ(n): 187098912
- Sum of proper divisors (its aliquot sum) s(n): 125698932
- 61399980 is an abundant number, because the sum of its proper divisors (125698932) is greater than itself. Its abundance is 64298952
Bases of 61399980
- Binary: 111010100011100011101011002
- Hexadecimal: 0x3A8E3AC
- Base-36: 10K0J0
Squares and roots of 61399980
- 61399980 squared (613999802) is 3769957544000400
- 61399980 cubed (613999803) is 231475317802473679992000
-
The
square root of 61399980 is 7835.8139334723 -
The
cube root of 61399980 is 394.5082381043
Scales and comparisons
How big is 61399980?- 61,399,980 seconds is equal to 1 year, 49 weeks, 3 days, 15 hours, 33 minutes.
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To count from 1 to 61,399,980 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 61399980 cubic inches would be around 32.9 feet tall.
Recreational maths with 61399980
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The information we have on file for 61399980 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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