20504640
20,504,640 is an even composite number composed of six prime numbers multiplied together.
20504640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred twenty-four divisors.
Prime factorization of 20504640:
26 × 3 × 5 × 13 × 31 × 53
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 13 × 31 × 53)See below for interesting mathematical facts about the number 20504640 from the Numbermatics database.
Names of 20504640
- Cardinal: 20504640 can be written as Twenty million, five hundred four thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.050464 × 107
Factors of 20504640
Divisors of 20504640
- Number of divisors d(n): 224
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 31 32 39 40 48 52 53 60 62 64 65 78 80 93 96 104 106 120 124 130 155 156 159 160 186 192 195 208 212 240 248 260 265 310 312 318 320 372 390 403 416 424 465 480 496 520 530 620 624 636 689 744 780 795 806 832 848 930 960 992 1040 1060 1209 1240 1248 1272 1378 1488 1560 1590 1612 1643 1696 1860 1984 2015 2067 2080 2120 2418 2480 2496 2544 2756 2976 3120 3180 3224 3286 3392 3445 3720 4030 4134 4160 4240 4836 4929 4960 5088 5512 5952 6045 6240 6360 6448 6572 6890 7440 8060 8215 8268 8480 9672 9858 9920 10176 10335 11024 12090 12480 12720 12896 13144 13780 14880 16120 16430 16536 16960 19344 19716 20670 21359 22048 24180 24645 25440 25792 26288 27560 29760 32240 32860 33072 38688 39432 41340 42718 44096 48360 49290 50880 52576 55120 64077 64480 65720 66144 77376 78864 82680 85436 96720 98580 105152 106795 110240 128154 128960 131440 132288 157728 165360 170872 193440 197160 213590 220480 256308 262880 315456 320385 330720 341744 386880 394320 427180 512616 525760 640770 661440 683488 788640 854360 1025232 1281540 1366976 1577280 1708720 2050464 2563080 3417440 4100928 5126160 6834880 10252320 20504640
- Sum of all divisors σ(n): 73737216
- Sum of proper divisors (its aliquot sum) s(n): 53232576
- 20504640 is an abundant number, because the sum of its proper divisors (53232576) is greater than itself. Its abundance is 32727936
Bases of 20504640
- Binary: 10011100011100000010000002
- Hexadecimal: 0x138E040
- Base-36: C7HHC
Squares and roots of 20504640
- 20504640 squared (205046402) is 420440261529600
- 20504640 cubed (205046403) is 8620976204170297344000
-
The
square root of 20504640 is 4528.2049423587 -
The
cube root of 20504640 is 273.7058309507
Scales and comparisons
How big is 20504640?- 20,504,640 seconds is equal to 33 weeks, 6 days, 7 hours, 44 minutes.
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To count from 1 to 20,504,640 would take you about fifty 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 20504640 cubic inches would be around 22.8 feet tall.
Recreational maths with 20504640
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The information we have on file for 20504640 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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