90642980
90,642,980 is an even composite number composed of five prime numbers multiplied together.
90642980 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 90642980:
22 × 5 × 17 × 292 × 317
(2 × 2 × 5 × 17 × 29 × 29 × 317)See below for interesting mathematical facts about the number 90642980 from the Numbermatics database.
Names of 90642980
- Cardinal: 90642980 can be written as Ninety million, six hundred forty-two thousand, nine hundred eighty.
Scientific notation
- Scientific notation: 9.064298 × 107
Factors of 90642980
Divisors of 90642980
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 5 10 17 20 29 34 58 68 85 116 145 170 290 317 340 493 580 634 841 986 1268 1585 1682 1972 2465 3170 3364 4205 4930 5389 6340 8410 9193 9860 10778 14297 16820 18386 21556 26945 28594 36772 45965 53890 57188 71485 91930 107780 142970 156281 183860 266597 285940 312562 533194 625124 781405 1066388 1332985 1562810 2665970 3125620 4532149 5331940 9064298 18128596 22660745 45321490 90642980
- Sum of all divisors σ(n): 209395368
- Sum of proper divisors (its aliquot sum) s(n): 118752388
- 90642980 is an abundant number, because the sum of its proper divisors (118752388) is greater than itself. Its abundance is 28109408
Bases of 90642980
- Binary: 1010110011100011010001001002
- Hexadecimal: 0x5671A24
- Base-36: 1HYSKK
Squares and roots of 90642980
- 90642980 squared (906429802) is 8216149823280400
- 90642980 cubed (906429803) is 744736304108608831592000
-
The
square root of 90642980 is 9520.6606913597 -
The
cube root of 90642980 is 449.2051482909
Scales and comparisons
How big is 90642980?- 90,642,980 seconds is equal to 2 years, 45 weeks, 6 days, 2 hours, 36 minutes, 20 seconds.
-
To count from 1 to 90,642,980 would take you about four 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 90642980 cubic inches would be around 37.4 feet tall.
Recreational maths with 90642980
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