61393140
61,393,140 is an even composite number composed of four prime numbers multiplied together.
61393140 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty divisors.
Prime factorization of 61393140:
22 × 34 × 5 × 37897
(2 × 2 × 3 × 3 × 3 × 3 × 5 × 37897)See below for interesting mathematical facts about the number 61393140 from the Numbermatics database.
Names of 61393140
- Cardinal: 61393140 can be written as Sixty-one million, three hundred ninety-three thousand, one hundred forty.
Scientific notation
- Scientific notation: 6.139314 × 107
Factors of 61393140
Divisors of 61393140
- Number of divisors d(n): 60
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 1620 37897 75794 113691 151588 189485 227382 341073 378970 454764 568455 682146 757940 1023219 1136910 1364292 1705365 2046438 2273820 3069657 3410730 4092876 5116095 6139314 6821460 10232190 12278628 15348285 20464380 30696570 61393140
- Sum of all divisors σ(n): 192597636
- Sum of proper divisors (its aliquot sum) s(n): 131204496
- 61393140 is an abundant number, because the sum of its proper divisors (131204496) is greater than itself. Its abundance is 69811356
Bases of 61393140
- Binary: 111010100011001000111101002
- Hexadecimal: 0x3A8C8F4
- Base-36: 10JV90
Squares and roots of 61393140
- 61393140 squared (613931402) is 3769117639059600
- 61393140 cubed (613931403) is 231397966891255491144000
-
The
square root of 61393140 is 7835.3774637857 -
The
cube root of 61393140 is 394.4935880639
Scales and comparisons
How big is 61393140?- 61,393,140 seconds is equal to 1 year, 49 weeks, 3 days, 13 hours, 39 minutes.
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To count from 1 to 61,393,140 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 61393140 cubic inches would be around 32.9 feet tall.
Recreational maths with 61393140
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