221229920
221,229,920 is an even composite number composed of five prime numbers multiplied together.
221229920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 221229920:
25 × 5 × 19 × 61 × 1193
(2 × 2 × 2 × 2 × 2 × 5 × 19 × 61 × 1193)See below for interesting mathematical facts about the number 221229920 from the Numbermatics database.
Names of 221229920
- Cardinal: 221229920 can be written as Two hundred twenty-one million, two hundred twenty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.2122992 × 108
Factors of 221229920
Divisors of 221229920
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 8 10 16 19 20 32 38 40 61 76 80 95 122 152 160 190 244 304 305 380 488 608 610 760 976 1159 1193 1220 1520 1952 2318 2386 2440 3040 4636 4772 4880 5795 5965 9272 9544 9760 11590 11930 18544 19088 22667 23180 23860 37088 38176 45334 46360 47720 72773 90668 92720 95440 113335 145546 181336 185440 190880 226670 291092 362672 363865 453340 582184 725344 727730 906680 1164368 1382687 1455460 1813360 2328736 2765374 2910920 3626720 5530748 5821840 6913435 11061496 11643680 13826870 22122992 27653740 44245984 55307480 110614960 221229920
- Sum of all divisors σ(n): 559651680
- Sum of proper divisors (its aliquot sum) s(n): 338421760
- 221229920 is an abundant number, because the sum of its proper divisors (338421760) is greater than itself. Its abundance is 117191840
Bases of 221229920
- Binary: 11010010111110110011011000002
- Hexadecimal: 0xD2FB360
- Base-36: 3NPQ3K
Squares and roots of 221229920
- 221229920 squared (2212299202) is 48942677503206400
- 221229920 cubed (2212299203) is 10827584628620151615488000
-
The
square root of 221229920 is 14873.7997835119 -
The
cube root of 221229920 is 604.8039525977
Scales and comparisons
How big is 221229920?- 221,229,920 seconds is equal to 7 years, 1 week, 5 days, 12 hours, 45 minutes, 20 seconds.
-
To count from 1 to 221,229,920 would take you about ten 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 221229920 cubic inches would be around 50.4 feet tall.
Recreational maths with 221229920
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