61389912
61,389,912 is an even composite number composed of five prime numbers multiplied together.
61389912 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 61389912:
23 × 3 × 19 × 61 × 2207
(2 × 2 × 2 × 3 × 19 × 61 × 2207)See below for interesting mathematical facts about the number 61389912 from the Numbermatics database.
Names of 61389912
- Cardinal: 61389912 can be written as Sixty-one million, three hundred eighty-nine thousand, nine hundred twelve.
Scientific notation
- Scientific notation: 6.1389912 × 107
Factors of 61389912
Divisors of 61389912
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 4 6 8 12 19 24 38 57 61 76 114 122 152 183 228 244 366 456 488 732 1159 1464 2207 2318 3477 4414 4636 6621 6954 8828 9272 13242 13908 17656 26484 27816 41933 52968 83866 125799 134627 167732 251598 269254 335464 403881 503196 538508 807762 1006392 1077016 1615524 2557913 3231048 5115826 7673739 10231652 15347478 20463304 30694956 61389912
- Sum of all divisors σ(n): 164275200
- Sum of proper divisors (its aliquot sum) s(n): 102885288
- 61389912 is an abundant number, because the sum of its proper divisors (102885288) is greater than itself. Its abundance is 41495376
Bases of 61389912
- Binary: 111010100010111100010110002
- Hexadecimal: 0x3A8BC58
- Base-36: 10JSRC
Squares and roots of 61389912
- 61389912 squared (613899122) is 3768721295367744
- 61389912 cubed (613899123) is 231361468675151811798528
-
The
square root of 61389912 is 7835.1714722781 -
The
cube root of 61389912 is 394.4866738949
Scales and comparisons
How big is 61389912?- 61,389,912 seconds is equal to 1 year, 49 weeks, 3 days, 12 hours, 45 minutes, 12 seconds.
-
To count from 1 to 61,389,912 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 61389912 cubic inches would be around 32.9 feet tall.
Recreational maths with 61389912
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