420145245
420,145,245 is an odd composite number composed of five prime numbers multiplied together.
420145245 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 420145245:
33 × 5 × 13 × 41 × 5839
(3 × 3 × 3 × 5 × 13 × 41 × 5839)See below for interesting mathematical facts about the number 420145245 from the Numbermatics database.
Names of 420145245
- Cardinal: 420145245 can be written as Four hundred twenty million, one hundred forty-five thousand, two hundred forty-five.
Scientific notation
- Scientific notation: 4.20145245 × 108
Factors of 420145245
Divisors of 420145245
- Number of divisors d(n): 64
-
Complete list of divisors:
1 3 5 9 13 15 27 39 41 45 65 117 123 135 195 205 351 369 533 585 615 1107 1599 1755 1845 2665 4797 5535 5839 7995 14391 17517 23985 29195 52551 71955 75907 87585 157653 227721 239399 262755 379535 683163 718197 788265 1138605 1196995 2049489 2154591 3112187 3415815 3590985 6463773 9336561 10247445 10772955 15560935 28009683 32318865 46682805 84029049 140048415 420145245
- Sum of all divisors σ(n): 824140800
- Sum of proper divisors (its aliquot sum) s(n): 403995555
- 420145245 is a deficient number, because the sum of its proper divisors (403995555) is less than itself. Its deficiency is 16149690
Bases of 420145245
- Binary: 110010000101011101000010111012
- Hexadecimal: 0x190AE85D
- Base-36: 6Y5659
Squares and roots of 420145245
- 420145245 squared (4201452452) is 176522026896110025
- 420145245 cubed (4201452453) is 74164890238162736000581125
-
The
square root of 420145245 is 20497.4448407601 -
The
cube root of 420145245 is 748.9735558575
Scales and comparisons
How big is 420145245?- 420,145,245 seconds is equal to 13 years, 18 weeks, 4 days, 19 hours, 45 seconds.
-
To count from 1 to 420,145,245 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 420145245 cubic inches would be around 62.4 feet tall.
Recreational maths with 420145245
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