21153120
21,153,120 is an even composite number composed of five prime numbers multiplied together.
21153120 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 21153120:
25 × 3 × 5 × 127 × 347
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 127 × 347)See below for interesting mathematical facts about the number 21153120 from the Numbermatics database.
Names of 21153120
- Cardinal: 21153120 can be written as Twenty-one million, one hundred fifty-three thousand, one hundred twenty.
Scientific notation
- Scientific notation: 2.115312 × 107
Factors of 21153120
Divisors of 21153120
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 127 160 240 254 347 381 480 508 635 694 762 1016 1041 1270 1388 1524 1735 1905 2032 2082 2540 2776 3048 3470 3810 4064 4164 5080 5205 5552 6096 6940 7620 8328 10160 10410 11104 12192 13880 15240 16656 20320 20820 27760 30480 33312 41640 44069 55520 60960 83280 88138 132207 166560 176276 220345 264414 352552 440690 528828 661035 705104 881380 1057656 1322070 1410208 1762760 2115312 2644140 3525520 4230624 5288280 7051040 10576560 21153120
- Sum of all divisors σ(n): 67350528
- Sum of proper divisors (its aliquot sum) s(n): 46197408
- 21153120 is an abundant number, because the sum of its proper divisors (46197408) is greater than itself. Its abundance is 25044288
Bases of 21153120
- Binary: 10100001011000101011000002
- Hexadecimal: 0x142C560
- Base-36: CLDUO
Squares and roots of 21153120
- 21153120 squared (211531202) is 447454485734400
- 21153120 cubed (211531203) is 9465058431278051328000
-
The
square root of 21153120 is 4599.2521131157 -
The
cube root of 21153120 is 276.5613444045
Scales and comparisons
How big is 21153120?- 21,153,120 seconds is equal to 34 weeks, 6 days, 19 hours, 52 minutes.
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To count from 1 to 21,153,120 would take you about three 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 21153120 cubic inches would be around 23 feet tall.
Recreational maths with 21153120
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The information we have on file for 21153120 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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