397942146
397,942,146 is an even composite number composed of five prime numbers multiplied together.
397942146 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 397942146:
2 × 37 × 7 × 41 × 317
(2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 41 × 317)See below for interesting mathematical facts about the number 397942146 from the Numbermatics database.
Names of 397942146
- Cardinal: 397942146 can be written as Three hundred ninety-seven million, nine hundred forty-two thousand, one hundred forty-six.
Scientific notation
- Scientific notation: 3.97942146 × 108
Factors of 397942146
Divisors of 397942146
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 6 7 9 14 18 21 27 41 42 54 63 81 82 123 126 162 189 243 246 287 317 369 378 486 567 574 634 729 738 861 951 1107 1134 1458 1701 1722 1902 2187 2214 2219 2583 2853 3321 3402 4374 4438 5103 5166 5706 6642 6657 7749 8559 9963 10206 12997 13314 15309 15498 17118 19926 19971 23247 25677 25994 29889 30618 38991 39942 46494 51354 59778 59913 69741 77031 77982 89667 90979 116973 119826 139482 154062 179334 179739 181958 209223 231093 233946 272937 350919 359478 418446 462186 539217 545874 627669 693279 701838 818811 1052757 1078434 1255338 1386558 1617651 1637622 2105514 2456433 3158271 3235302 4852953 4912866 6316542 7369299 9474813 9705906 14738598 18949626 22107897 28424439 44215794 56848878 66323691 132647382 198971073 397942146
- Sum of all divisors σ(n): 1051384320
- Sum of proper divisors (its aliquot sum) s(n): 653442174
- 397942146 is an abundant number, because the sum of its proper divisors (653442174) is greater than itself. Its abundance is 255500028
Bases of 397942146
- Binary: 101111011100000011101100000102
- Hexadecimal: 0x17B81D82
- Base-36: 6KXA4I
Squares and roots of 397942146
- 397942146 squared (3979421462) is 158357951563085316
- 397942146 cubed (3979421463) is 63017303081178225030128136
-
The
square root of 397942146 is 19948.4873110719 -
The
cube root of 397942146 is 735.5405935489
Scales and comparisons
How big is 397942146?- 397,942,146 seconds is equal to 12 years, 33 weeks, 6 days, 19 hours, 29 minutes, 6 seconds.
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To count from 1 to 397,942,146 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 397942146 cubic inches would be around 61.3 feet tall.
Recreational maths with 397942146
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