397928020
397,928,020 is an even composite number composed of six prime numbers multiplied together.
397928020 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 397928020:
22 × 5 × 73 × 19 × 43 × 71
(2 × 2 × 5 × 7 × 7 × 7 × 19 × 43 × 71)See below for interesting mathematical facts about the number 397928020 from the Numbermatics database.
Names of 397928020
- Cardinal: 397928020 can be written as Three hundred ninety-seven million, nine hundred twenty-eight thousand and twenty.
Scientific notation
- Scientific notation: 3.9792802 × 108
Factors of 397928020
Divisors of 397928020
- Number of divisors d(n): 192
-
Complete list of divisors:
1 2 4 5 7 10 14 19 20 28 35 38 43 49 70 71 76 86 95 98 133 140 142 172 190 196 215 245 266 284 301 343 355 380 430 490 497 532 602 665 686 710 817 860 931 980 994 1204 1330 1349 1372 1420 1505 1634 1715 1862 1988 2107 2485 2660 2698 3010 3053 3268 3430 3479 3724 4085 4214 4655 4970 5396 5719 6020 6106 6517 6745 6860 6958 8170 8428 9310 9443 9940 10535 11438 12212 13034 13490 13916 14749 15265 16340 17395 18620 18886 21070 21371 22876 24353 26068 26980 28595 29498 30530 32585 34790 37772 40033 42140 42742 47215 48706 57190 58007 58996 61060 65170 66101 69580 73745 80066 85484 94430 97412 106855 114380 116014 121765 130340 132202 147490 149597 160132 188860 200165 213710 232028 243530 264404 280231 290035 294980 299194 330505 400330 406049 427420 462707 487060 560462 580070 598388 661010 747985 800660 812098 925414 1047179 1120924 1160140 1322020 1401155 1495970 1624196 1850828 2030245 2094358 2313535 2802310 2842343 2991940 4060490 4188716 4627070 5235895 5604620 5684686 8120980 9254140 10471790 11369372 14211715 19896401 20943580 28423430 39792802 56846860 79585604 99482005 198964010 397928020
- Sum of all divisors σ(n): 1064448000
- Sum of proper divisors (its aliquot sum) s(n): 666519980
- 397928020 is an abundant number, because the sum of its proper divisors (666519980) is greater than itself. Its abundance is 268591960
Bases of 397928020
- Binary: 101111011011111100110010101002
- Hexadecimal: 0x17B7E654
- Base-36: 6KWZ84
Squares and roots of 397928020
- 397928020 squared (3979280202) is 158346709101120400
- 397928020 cubed (3979280203) is 63010592426124820553608000
-
The
square root of 397928020 is 19948.1332459957 -
The
cube root of 397928020 is 735.5318901317
Scales and comparisons
How big is 397928020?- 397,928,020 seconds is equal to 12 years, 33 weeks, 6 days, 15 hours, 33 minutes, 40 seconds.
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To count from 1 to 397,928,020 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 397928020 cubic inches would be around 61.3 feet tall.
Recreational maths with 397928020
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