427145985
427,145,985 is an odd composite number composed of five prime numbers multiplied together.
427145985 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 427145985:
32 × 5 × 72 × 307 × 631
(3 × 3 × 5 × 7 × 7 × 307 × 631)See below for interesting mathematical facts about the number 427145985 from the Numbermatics database.
Names of 427145985
- Cardinal: 427145985 can be written as Four hundred twenty-seven million, one hundred forty-five thousand, nine hundred eighty-five.
Scientific notation
- Scientific notation: 4.27145985 × 108
Factors of 427145985
Divisors of 427145985
- Number of divisors d(n): 72
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Complete list of divisors:
1 3 5 7 9 15 21 35 45 49 63 105 147 245 307 315 441 631 735 921 1535 1893 2149 2205 2763 3155 4417 4605 5679 6447 9465 10745 13251 13815 15043 19341 22085 28395 30919 32235 39753 45129 66255 75215 92757 96705 135387 154595 193717 198765 225645 278271 463785 581151 676935 968585 1356019 1391355 1743453 2905755 4068057 6780095 8717265 9492133 12204171 20340285 28476399 47460665 61020855 85429197 142381995 427145985
- Sum of all divisors σ(n): 865440576
- Sum of proper divisors (its aliquot sum) s(n): 438294591
- 427145985 is an abundant number, because the sum of its proper divisors (438294591) is greater than itself. Its abundance is 11148606
Bases of 427145985
- Binary: 110010111010110111011000000012
- Hexadecimal: 0x1975BB01
- Base-36: 72B7Y9
Squares and roots of 427145985
- 427145985 squared (4271459852) is 182453692501620225
- 427145985 cubed (4271459853) is 77934362200491685103546625
-
The
square root of 427145985 is 20667.5103725631 -
The
cube root of 427145985 is 753.1106274927
Scales and comparisons
How big is 427145985?- 427,145,985 seconds is equal to 13 years, 30 weeks, 1 day, 19 hours, 39 minutes, 45 seconds.
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To count from 1 to 427,145,985 would take you about twenty 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 427145985 cubic inches would be around 62.8 feet tall.
Recreational maths with 427145985
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