390328812
390,328,812 is an even composite number composed of five prime numbers multiplied together.
390328812 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 390328812:
22 × 32 × 31 × 397 × 881
(2 × 2 × 3 × 3 × 31 × 397 × 881)See below for interesting mathematical facts about the number 390328812 from the Numbermatics database.
Names of 390328812
- Cardinal: 390328812 can be written as Three hundred ninety million, three hundred twenty-eight thousand, eight hundred twelve.
Scientific notation
- Scientific notation: 3.90328812 × 108
Factors of 390328812
Divisors of 390328812
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 397 558 794 881 1116 1191 1588 1762 2382 2643 3524 3573 4764 5286 7146 7929 10572 12307 14292 15858 24614 27311 31716 36921 49228 54622 73842 81933 109244 110763 147684 163866 221526 245799 327732 349757 443052 491598 699514 983196 1049271 1399028 2098542 3147813 4197084 6295626 10842467 12591252 21684934 32527401 43369868 65054802 97582203 130109604 195164406 390328812
- Sum of all divisors σ(n): 1022216832
- Sum of proper divisors (its aliquot sum) s(n): 631888020
- 390328812 is an abundant number, because the sum of its proper divisors (631888020) is greater than itself. Its abundance is 241559208
Bases of 390328812
- Binary: 101110100001111110001111011002
- Hexadecimal: 0x1743F1EC
- Base-36: 6GE3N0
Squares and roots of 390328812
- 390328812 squared (3903288122) is 152356581477331344
- 390328812 cubed (3903288123) is 59469163448427948433883328
-
The
square root of 390328812 is 19756.7409255677 -
The
cube root of 390328812 is 730.8196285901
Scales and comparisons
How big is 390328812?- 390,328,812 seconds is equal to 12 years, 21 weeks, 2 days, 16 hours, 40 minutes, 12 seconds.
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To count from 1 to 390,328,812 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 390328812 cubic inches would be around 60.9 feet tall.
Recreational maths with 390328812
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