21632985
21,632,985 is an odd composite number composed of five prime numbers multiplied together.
21632985 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 21632985:
32 × 5 × 112 × 29 × 137
(3 × 3 × 5 × 11 × 11 × 29 × 137)See below for interesting mathematical facts about the number 21632985 from the Numbermatics database.
Names of 21632985
- Cardinal: 21632985 can be written as Twenty-one million, six hundred thirty-two thousand, nine hundred eighty-five.
Scientific notation
- Scientific notation: 2.1632985 × 107
Factors of 21632985
Divisors of 21632985
- Number of divisors d(n): 72
-
Complete list of divisors:
1 3 5 9 11 15 29 33 45 55 87 99 121 137 145 165 261 319 363 411 435 495 605 685 957 1089 1233 1305 1507 1595 1815 2055 2871 3509 3973 4521 4785 5445 6165 7535 10527 11919 13563 14355 16577 17545 19865 22605 31581 35757 43703 49731 52635 59595 67815 82885 131109 149193 157905 178785 218515 248655 393327 480733 655545 745965 1442199 1966635 2403665 4326597 7210995 21632985
- Sum of all divisors σ(n): 42948360
- Sum of proper divisors (its aliquot sum) s(n): 21315375
- 21632985 is a deficient number, because the sum of its proper divisors (21315375) is less than itself. Its deficiency is 317610
Bases of 21632985
- Binary: 10100101000010111110110012
- Hexadecimal: 0x14A17D9
- Base-36: CVO49
Squares and roots of 21632985
- 21632985 squared (216329852) is 467986040010225
- 21632985 cubed (216329853) is 10123934983750597271625
-
The
square root of 21632985 is 4651.1272827133 -
The
cube root of 21632985 is 278.6370197761
Scales and comparisons
How big is 21632985?- 21,632,985 seconds is equal to 35 weeks, 5 days, 9 hours, 9 minutes, 45 seconds.
-
To count from 1 to 21,632,985 would take you about four days!
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 21632985 cubic inches would be around 23.2 feet tall.
Recreational maths with 21632985
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The information we have on file for 21632985 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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