392139384
392,139,384 is an even composite number composed of six prime numbers multiplied together.
392139384 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 392139384:
23 × 3 × 7 × 13 × 409 × 439
(2 × 2 × 2 × 3 × 7 × 13 × 409 × 439)See below for interesting mathematical facts about the number 392139384 from the Numbermatics database.
Names of 392139384
- Cardinal: 392139384 can be written as Three hundred ninety-two million, one hundred thirty-nine thousand, three hundred eighty-four.
Scientific notation
- Scientific notation: 3.92139384 × 108
Factors of 392139384
Divisors of 392139384
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 78 84 91 104 156 168 182 273 312 364 409 439 546 728 818 878 1092 1227 1317 1636 1756 2184 2454 2634 2863 3073 3272 3512 4908 5268 5317 5707 5726 6146 8589 9219 9816 10536 10634 11414 11452 12292 15951 17121 17178 18438 21268 22828 22904 24584 31902 34242 34356 36876 37219 39949 42536 45656 63804 68484 68712 73752 74438 79898 111657 119847 127608 136968 148876 159796 179551 223314 239694 297752 319592 359102 446628 479388 538653 718204 893256 958776 1077306 1256857 1436408 2154612 2334163 2513714 3770571 4309224 4668326 5027428 7002489 7541142 9336652 10054856 14004978 15082284 16339141 18673304 28009956 30164568 32678282 49017423 56019912 65356564 98034846 130713128 196069692 392139384
- Sum of all divisors σ(n): 1212288000
- Sum of proper divisors (its aliquot sum) s(n): 820148616
- 392139384 is an abundant number, because the sum of its proper divisors (820148616) is greater than itself. Its abundance is 428009232
Bases of 392139384
- Binary: 101110101111110010010011110002
- Hexadecimal: 0x175F9278
- Base-36: 6HGWOO
Squares and roots of 392139384
- 392139384 squared (3921393842) is 153773296483899456
- 392139384 cubed (3921393843) is 60300565758845698593775104
-
The
square root of 392139384 is 19802.5095379349 -
The
cube root of 392139384 is 731.9478746961
Scales and comparisons
How big is 392139384?- 392,139,384 seconds is equal to 12 years, 24 weeks, 2 days, 15 hours, 36 minutes, 24 seconds.
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To count from 1 to 392,139,384 would take you about eighteen 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 392139384 cubic inches would be around 61 feet tall.
Recreational maths with 392139384
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