492905985
492,905,985 is an odd composite number composed of seven prime numbers multiplied together.
492905985 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 492905985:
3 × 5 × 11 × 13 × 23 × 97 × 103
See below for interesting mathematical facts about the number 492905985 from the Numbermatics database.
Names of 492905985
- Cardinal: 492905985 can be written as Four hundred ninety-two million, nine hundred five thousand, nine hundred eighty-five.
Scientific notation
- Scientific notation: 4.92905985 × 108
Factors of 492905985
Divisors of 492905985
- Number of divisors d(n): 128
-
Complete list of divisors:
1 3 5 11 13 15 23 33 39 55 65 69 97 103 115 143 165 195 253 291 299 309 345 429 485 515 715 759 897 1067 1133 1261 1265 1339 1455 1495 1545 2145 2231 2369 3201 3289 3399 3783 3795 4017 4485 5335 5665 6305 6693 6695 7107 9867 9991 11155 11845 13871 14729 16005 16445 16995 18915 20085 24541 26059 29003 29973 30797 33465 35535 41613 44187 49335 49955 69355 73623 73645 78177 87009 92391 109901 122705 129883 130295 145015 149865 153985 208065 220935 229793 319033 329703 338767 368115 389649 390885 435045 461955 549505 649415 689379 957099 1016301 1148965 1428713 1595165 1648515 1693835 1948245 2527723 2987309 3446895 4286139 4785495 5081505 7143565 7583169 8961927 12638615 14936545 21430695 32860399 37915845 44809635 98581197 164301995 492905985
- Sum of all divisors σ(n): 986259456
- Sum of proper divisors (its aliquot sum) s(n): 493353471
- 492905985 is an abundant number, because the sum of its proper divisors (493353471) is greater than itself. Its abundance is 447486
Bases of 492905985
- Binary: 111010110000100100110000000012
- Hexadecimal: 0x1D612601
- Base-36: 85GOOX
Squares and roots of 492905985
- 492905985 squared (4929059852) is 242956310048820225
- 492905985 cubed (4929059853) is 119754619316579131091546625
-
The
square root of 492905985 is 22201.4860989081 -
The
cube root of 492905985 is 789.9289499743
Scales and comparisons
How big is 492905985?- 492,905,985 seconds is equal to 15 years, 34 weeks, 6 days, 22 hours, 19 minutes, 45 seconds.
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To count from 1 to 492,905,985 would take you about twenty-three 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 492905985 cubic inches would be around 65.8 feet tall.
Recreational maths with 492905985
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