21988330
21,988,330 is an even composite number composed of six prime numbers multiplied together.
21988330 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21988330:
2 × 5 × 7 × 13 × 73 × 331
See below for interesting mathematical facts about the number 21988330 from the Numbermatics database.
Names of 21988330
- Cardinal: 21988330 can be written as Twenty-one million, nine hundred eighty-eight thousand, three hundred thirty.
Scientific notation
- Scientific notation: 2.198833 × 107
Factors of 21988330
Divisors of 21988330
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 5 7 10 13 14 26 35 65 70 73 91 130 146 182 331 365 455 511 662 730 910 949 1022 1655 1898 2317 2555 3310 4303 4634 4745 5110 6643 8606 9490 11585 13286 21515 23170 24163 30121 33215 43030 48326 60242 66430 120815 150605 169141 241630 301210 314119 338282 628238 845705 1570595 1691410 2198833 3141190 4397666 10994165 21988330
- Sum of all divisors σ(n): 49529088
- Sum of proper divisors (its aliquot sum) s(n): 27540758
- 21988330 is an abundant number, because the sum of its proper divisors (27540758) is greater than itself. Its abundance is 5552428
Bases of 21988330
- Binary: 10100111110000011111010102
- Hexadecimal: 0x14F83EA
- Base-36: D3AAY
Squares and roots of 21988330
- 21988330 squared (219883302) is 483486656188900
- 21988330 cubed (219883303) is 10631064146878075537000
-
The
square root of 21988330 is 4689.1715686249 -
The
cube root of 21988330 is 280.1543791525
Scales and comparisons
How big is 21988330?- 21,988,330 seconds is equal to 36 weeks, 2 days, 11 hours, 52 minutes, 10 seconds.
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To count from 1 to 21,988,330 would take you about two weeks!
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 21988330 cubic inches would be around 23.3 feet tall.
Recreational maths with 21988330
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"Number 21988330 - Facts about the integer". Numbermatics.com. 2024. Web. 11 May 2024.
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The information we have on file for 21988330 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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