20988458490
20,988,458,490 is an even composite number composed of seven prime numbers multiplied together.
20988458490 is an even 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 20988458490:
2 × 3 × 5 × 19 × 61 × 73 × 8269
See below for interesting mathematical facts about the number 20988458490 from the Numbermatics database.
Names of 20988458490
- Cardinal: 20988458490 can be written as Twenty billion, nine hundred eighty-eight million, four hundred fifty-eight thousand, four hundred ninety.
Scientific notation
- Scientific notation: 2.098845849 × 1010
Factors of 20988458490
Divisors of 20988458490
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 10 15 19 30 38 57 61 73 95 114 122 146 183 190 219 285 305 365 366 438 570 610 730 915 1095 1159 1387 1830 2190 2318 2774 3477 4161 4453 5795 6935 6954 8269 8322 8906 11590 13359 13870 16538 17385 20805 22265 24807 26718 34770 41345 41610 44530 49614 66795 82690 84607 124035 133590 157111 169214 248070 253821 314222 423035 471333 504409 507642 603637 785555 846070 942666 1008818 1207274 1269105 1513227 1571110 1810911 2356665 2522045 2538210 3018185 3026454 3621822 4713330 5044090 6036370 7566135 9054555 9583771 11469103 15132270 18109110 19167542 22938206 28751313 34407309 36821857 47918855 57345515 57502626 68814618 73643714 95837710 110465571 114691030 143756565 172036545 184109285 220931142 287513130 344073090 368218570 552327855 699615283 1104655710 1399230566 2098845849 3498076415 4197691698 6996152830 10494229245 20988458490
- Sum of all divisors σ(n): 54637574400
- Sum of proper divisors (its aliquot sum) s(n): 33649115910
- 20988458490 is an abundant number, because the sum of its proper divisors (33649115910) is greater than itself. Its abundance is 12660657420
Bases of 20988458490
- Binary: 100111000110000001001110101111110102
- Hexadecimal: 0x4E30275FA
- Base-36: 9N3ZI7U
Squares and roots of 20988458490
- 20988458490 squared (209884584902) is 440515389786453080100
- 20988458490 cubed (209884584903) is 9245738972739140436011495049000
-
The
square root of 20988458490 is 144873.9399961221 -
The
cube root of 20988458490 is 2758.4186527909
Scales and comparisons
How big is 20988458490?- 20,988,458,490 seconds is equal to 667 years, 19 weeks, 23 hours, 21 minutes, 30 seconds.
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To count from 1 to 20,988,458,490 would take you about one thousand, three hundred thirty-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 20988458490 cubic inches would be around 229.9 feet tall.
Recreational maths with 20988458490
- 20988458490 backwards is 09485488902
- 20988458490 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20988458490's digits is 57
- More coming soon!
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The information we have on file for 20988458490 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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