21144480
21,144,480 is an even composite number composed of six prime numbers multiplied together.
21144480 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21144480:
25 × 3 × 5 × 72 × 29 × 31
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 7 × 29 × 31)See below for interesting mathematical facts about the number 21144480 from the Numbermatics database.
Names of 21144480
- Cardinal: 21144480 can be written as Twenty-one million, one hundred forty-four thousand, four hundred eighty.
Scientific notation
- Scientific notation: 2.114448 × 107
Factors of 21144480
Divisors of 21144480
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 29 30 31 32 35 40 42 48 49 56 58 60 62 70 80 84 87 93 96 98 105 112 116 120 124 140 145 147 155 160 168 174 186 196 203 210 217 224 232 240 245 248 280 290 294 310 336 348 372 392 406 420 434 435 464 465 480 490 496 560 580 588 609 620 651 672 696 735 744 784 812 840 868 870 899 928 930 980 992 1015 1085 1120 1160 1176 1218 1240 1302 1392 1421 1470 1488 1519 1568 1624 1680 1736 1740 1798 1860 1960 2030 2170 2320 2352 2436 2480 2604 2697 2784 2842 2940 2976 3038 3045 3248 3255 3360 3472 3480 3596 3720 3920 4060 4263 4340 4495 4557 4640 4704 4872 4960 5208 5394 5684 5880 6076 6090 6293 6496 6510 6944 6960 7105 7192 7440 7595 7840 8120 8526 8680 8990 9114 9744 10416 10788 11368 11760 12152 12180 12586 13020 13485 13920 14210 14384 14880 15190 16240 17052 17360 17980 18228 18879 19488 20832 21315 21576 22736 22785 23520 24304 24360 25172 26040 26970 28420 28768 30380 31465 32480 34104 34720 35960 36456 37758 42630 43152 44051 45472 45570 48608 48720 50344 52080 53940 56840 60760 62930 68208 71920 72912 75516 85260 86304 88102 91140 94395 97440 100688 104160 107880 113680 121520 125860 132153 136416 143840 145824 151032 170520 176204 182280 188790 201376 215760 220255 227360 243040 251720 264306 302064 341040 352408 364560 377580 431520 440510 503440 528612 604128 660765 682080 704816 729120 755160 881020 1006880 1057224 1321530 1409632 1510320 1762040 2114448 2643060 3020640 3524080 4228896 5286120 7048160 10572240 21144480
- Sum of all divisors σ(n): 82736640
- Sum of proper divisors (its aliquot sum) s(n): 61592160
- 21144480 is an abundant number, because the sum of its proper divisors (61592160) is greater than itself. Its abundance is 40447680
Bases of 21144480
- Binary: 10100001010100011101000002
- Hexadecimal: 0x142A3A0
- Base-36: CL76O
Squares and roots of 21144480
- 21144480 squared (211444802) is 447089034470400
- 21144480 cubed (211444803) is 9453465147578683392000
-
The
square root of 21144480 is 4598.3127340363 -
The
cube root of 21144480 is 276.5236854143
Scales and comparisons
How big is 21144480?- 21,144,480 seconds is equal to 34 weeks, 6 days, 17 hours, 28 minutes.
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To count from 1 to 21,144,480 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 21144480 cubic inches would be around 23 feet tall.
Recreational maths with 21144480
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The information we have on file for 21144480 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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