390229728
390,229,728 is an even composite number composed of four prime numbers multiplied together.
390229728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 390229728:
25 × 3 × 74 × 1693
(2 × 2 × 2 × 2 × 2 × 3 × 7 × 7 × 7 × 7 × 1693)See below for interesting mathematical facts about the number 390229728 from the Numbermatics database.
Names of 390229728
- Cardinal: 390229728 can be written as Three hundred ninety million, two hundred twenty-nine thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 3.90229728 × 108
Factors of 390229728
Divisors of 390229728
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 84 96 98 112 147 168 196 224 294 336 343 392 588 672 686 784 1029 1176 1372 1568 1693 2058 2352 2401 2744 3386 4116 4704 4802 5079 5488 6772 7203 8232 9604 10158 10976 11851 13544 14406 16464 19208 20316 23702 27088 28812 32928 35553 38416 40632 47404 54176 57624 71106 76832 81264 82957 94808 115248 142212 162528 165914 189616 230496 248871 284424 331828 379232 497742 568848 580699 663656 995484 1137696 1161398 1327312 1742097 1990968 2322796 2654624 3484194 3981936 4064893 4645592 6968388 7963872 8129786 9291184 12194679 13936776 16259572 18582368 24389358 27873552 32519144 48778716 55747104 65038288 97557432 130076576 195114864 390229728
- Sum of all divisors σ(n): 1195713288
- Sum of proper divisors (its aliquot sum) s(n): 805483560
- 390229728 is an abundant number, because the sum of its proper divisors (805483560) is greater than itself. Its abundance is 415253832
Bases of 390229728
- Binary: 101110100001001101110111000002
- Hexadecimal: 0x17426EE0
- Base-36: 6GBZ6O
Squares and roots of 390229728
- 390229728 squared (3902297282) is 152279240614953984
- 390229728 cubed (3902297283) is 59423886645220045908836352
-
The
square root of 390229728 is 19754.2331665899 -
The
cube root of 390229728 is 730.7577844407
Scales and comparisons
How big is 390229728?- 390,229,728 seconds is equal to 12 years, 21 weeks, 1 day, 13 hours, 8 minutes, 48 seconds.
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To count from 1 to 390,229,728 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 390229728 cubic inches would be around 60.9 feet tall.
Recreational maths with 390229728
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