397238985
397,238,985 is an odd composite number composed of five prime numbers multiplied together.
397238985 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 397238985:
34 × 5 × 11 × 13 × 193
(3 × 3 × 3 × 3 × 5 × 11 × 13 × 19 × 19 × 19)See below for interesting mathematical facts about the number 397238985 from the Numbermatics database.
Names of 397238985
- Cardinal: 397238985 can be written as Three hundred ninety-seven million, two hundred thirty-eight thousand, nine hundred eighty-five.
Scientific notation
- Scientific notation: 3.97238985 × 108
Factors of 397238985
Divisors of 397238985
- Number of divisors d(n): 160
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Complete list of divisors:
1 3 5 9 11 13 15 19 27 33 39 45 55 57 65 81 95 99 117 135 143 165 171 195 209 247 285 297 351 361 405 429 495 513 585 627 715 741 855 891 1045 1053 1083 1235 1287 1485 1539 1755 1805 1881 2145 2223 2565 2717 3135 3249 3705 3861 3971 4455 4693 5265 5415 5643 6435 6669 6859 7695 8151 9405 9747 11115 11583 11913 13585 14079 16245 16929 19305 19855 20007 20577 23465 24453 28215 29241 33345 34295 35739 40755 42237 48735 51623 57915 59565 61731 70395 73359 75449 84645 89167 100035 102885 107217 122265 126711 146205 154869 178695 185193 211185 220077 226347 258115 267501 308655 321651 366795 377245 380133 445835 464607 536085 555579 633555 679041 774345 802503 925965 980837 1100385 1131735 1337505 1393821 1608255 1900665 2037123 2323035 2407509 2777895 2942511 3395205 4012515 4181463 4904185 6111369 6969105 7222527 8827533 10185615 12037545 14712555 20907315 26482599 30556845 36112635 44137665 79447797 132412995 397238985
- Sum of all divisors σ(n): 883048320
- Sum of proper divisors (its aliquot sum) s(n): 485809335
- 397238985 is an abundant number, because the sum of its proper divisors (485809335) is greater than itself. Its abundance is 88570350
Bases of 397238985
- Binary: 101111010110101100010110010012
- Hexadecimal: 0x17AD62C9
- Base-36: 6KI7K9
Squares and roots of 397238985
- 397238985 squared (3972389852) is 157798811203830225
- 397238985 cubed (3972389853) is 62683839596816146691321625
-
The
square root of 397238985 is 19930.8550995687 -
The
cube root of 397238985 is 735.1071064239
Scales and comparisons
How big is 397238985?- 397,238,985 seconds is equal to 12 years, 32 weeks, 5 days, 16 hours, 9 minutes, 45 seconds.
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To count from 1 to 397,238,985 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 397238985 cubic inches would be around 61.3 feet tall.
Recreational maths with 397238985
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