21070720
21,070,720 is an even composite number composed of five prime numbers multiplied together.
21070720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 21070720:
27 × 5 × 11 × 41 × 73
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 41 × 73)See below for interesting mathematical facts about the number 21070720 from the Numbermatics database.
Names of 21070720
- Cardinal: 21070720 can be written as Twenty-one million, seventy thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.107072 × 107
Factors of 21070720
Divisors of 21070720
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 32 40 41 44 55 64 73 80 82 88 110 128 146 160 164 176 205 220 292 320 328 352 365 410 440 451 584 640 656 704 730 803 820 880 902 1168 1312 1408 1460 1606 1640 1760 1804 2255 2336 2624 2920 2993 3212 3280 3520 3608 4015 4510 4672 5248 5840 5986 6424 6560 7040 7216 8030 9020 9344 11680 11972 12848 13120 14432 14965 16060 18040 23360 23944 25696 26240 28864 29930 32120 32923 36080 46720 47888 51392 57728 59860 64240 65846 72160 95776 102784 119720 128480 131692 144320 164615 191552 239440 256960 263384 288640 329230 383104 478880 513920 526768 658460 957760 1053536 1316920 1915520 2107072 2633840 4214144 5267680 10535360 21070720
- Sum of all divisors σ(n): 57062880
- Sum of proper divisors (its aliquot sum) s(n): 35992160
- 21070720 is an abundant number, because the sum of its proper divisors (35992160) is greater than itself. Its abundance is 14921440
Bases of 21070720
- Binary: 10100000110000011100000002
- Hexadecimal: 0x1418380
- Base-36: CJM9S
Squares and roots of 21070720
- 21070720 squared (210707202) is 443975241318400
- 21070720 cubed (210707203) is 9354877996752437248000
-
The
square root of 21070720 is 4590.2853941775 -
The
cube root of 21070720 is 276.2017708233
Scales and comparisons
How big is 21070720?- 21,070,720 seconds is equal to 34 weeks, 5 days, 20 hours, 58 minutes, 40 seconds.
-
To count from 1 to 21,070,720 would take you about nineteen hours!
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 21070720 cubic inches would be around 23 feet tall.
Recreational maths with 21070720
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The information we have on file for 21070720 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!
Keywords: Divisors of 21070720, math, Factors of 21070720, curriculum, school, college, exams, university, Prime factorization of 21070720, STEM, science, technology, engineering, physics, economics, calculator, twenty-one million, seventy thousand, seven hundred twenty.