8139390
8,139,390 is an even composite number composed of five prime numbers multiplied together.
8139390 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 8139390:
2 × 3 × 5 × 74 × 113
(2 × 3 × 5 × 7 × 7 × 7 × 7 × 113)See below for interesting mathematical facts about the number 8139390 from the Numbermatics database.
Names of 8139390
- Cardinal: 8139390 can be written as Eight million, one hundred thirty-nine thousand, three hundred ninety.
Scientific notation
- Scientific notation: 8.13939 × 106
Factors of 8139390
Divisors of 8139390
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 113 147 210 226 245 294 339 343 490 565 678 686 735 791 1029 1130 1470 1582 1695 1715 2058 2373 2401 3390 3430 3955 4746 4802 5145 5537 7203 7910 10290 11074 11865 12005 14406 16611 23730 24010 27685 33222 36015 38759 55370 72030 77518 83055 116277 166110 193795 232554 271313 387590 542626 581385 813939 1162770 1356565 1627878 2713130 4069695 8139390
- Sum of all divisors σ(n): 22990608
- Sum of proper divisors (its aliquot sum) s(n): 14851218
- 8139390 is an abundant number, because the sum of its proper divisors (14851218) is greater than itself. Its abundance is 6711828
Bases of 8139390
- Binary: 111110000110010011111102
- Hexadecimal: 0x7C327E
- Base-36: 4UGE6
Squares and roots of 8139390
- 8139390 squared (81393902) is 66249669572100
- 8139390 cubed (81393903) is 539231898018455019000
-
The
square root of 8139390 is 2852.9616190899 -
The
cube root of 8139390 is 201.1549015091
Scales and comparisons
How big is 8139390?- 8,139,390 seconds is equal to 13 weeks, 3 days, 4 hours, 56 minutes, 30 seconds.
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To count from 1 to 8,139,390 would take you about twenty 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 8139390 cubic inches would be around 16.8 feet tall.
Recreational maths with 8139390
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The information we have on file for 8139390 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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