21192120
21,192,120 is an even composite number composed of five prime numbers multiplied together.
21192120 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 21192120:
23 × 32 × 5 × 372 × 43
(2 × 2 × 2 × 3 × 3 × 5 × 37 × 37 × 43)See below for interesting mathematical facts about the number 21192120 from the Numbermatics database.
Names of 21192120
- Cardinal: 21192120 can be written as Twenty-one million, one hundred ninety-two thousand, one hundred twenty.
Scientific notation
- Scientific notation: 2.119212 × 107
Factors of 21192120
Divisors of 21192120
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 37 40 43 45 60 72 74 86 90 111 120 129 148 172 180 185 215 222 258 296 333 344 360 370 387 430 444 516 555 645 666 740 774 860 888 1032 1110 1290 1332 1369 1480 1548 1591 1665 1720 1935 2220 2580 2664 2738 3096 3182 3330 3870 4107 4440 4773 5160 5476 6364 6660 6845 7740 7955 8214 9546 10952 12321 12728 13320 13690 14319 15480 15910 16428 19092 20535 23865 24642 27380 28638 31820 32856 38184 41070 47730 49284 54760 57276 58867 61605 63640 71595 82140 95460 98568 114552 117734 123210 143190 164280 176601 190920 235468 246420 286380 294335 353202 470936 492840 529803 572760 588670 706404 883005 1059606 1177340 1412808 1766010 2119212 2354680 2649015 3532020 4238424 5298030 7064040 10596060 21192120
- Sum of all divisors σ(n): 72432360
- Sum of proper divisors (its aliquot sum) s(n): 51240240
- 21192120 is an abundant number, because the sum of its proper divisors (51240240) is greater than itself. Its abundance is 30048120
Bases of 21192120
- Binary: 10100001101011101101110002
- Hexadecimal: 0x1435DB8
- Base-36: CM7Y0
Squares and roots of 21192120
- 21192120 squared (211921202) is 449105950094400
- 21192120 cubed (211921203) is 9517507187114536128000
-
The
square root of 21192120 is 4603.4899804387 -
The
cube root of 21192120 is 276.7312054079
Scales and comparisons
How big is 21192120?- 21,192,120 seconds is equal to 35 weeks, 6 hours, 42 minutes.
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To count from 1 to 21,192,120 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 21192120 cubic inches would be around 23.1 feet tall.
Recreational maths with 21192120
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