20479680
20,479,680 is an even composite number composed of five prime numbers multiplied together.
20479680 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 20479680:
26 × 32 × 5 × 13 × 547
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 13 × 547)See below for interesting mathematical facts about the number 20479680 from the Numbermatics database.
Names of 20479680
- Cardinal: 20479680 can be written as Twenty million, four hundred seventy-nine thousand, six hundred eighty.
Scientific notation
- Scientific notation: 2.047968 × 107
Factors of 20479680
Divisors of 20479680
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 64 65 72 78 80 90 96 104 117 120 130 144 156 160 180 192 195 208 234 240 260 288 312 320 360 390 416 468 480 520 547 576 585 624 720 780 832 936 960 1040 1094 1170 1248 1440 1560 1641 1872 2080 2188 2340 2496 2735 2880 3120 3282 3744 4160 4376 4680 4923 5470 6240 6564 7111 7488 8205 8752 9360 9846 10940 12480 13128 14222 16410 17504 18720 19692 21333 21880 24615 26256 28444 32820 35008 35555 37440 39384 42666 43760 49230 52512 56888 63999 65640 71110 78768 85332 87520 98460 105024 106665 113776 127998 131280 142220 157536 170664 175040 196920 213330 227552 255996 262560 284440 315072 319995 341328 393840 426660 455104 511992 525120 568880 639990 682656 787680 853320 1023984 1137760 1279980 1365312 1575360 1706640 2047968 2275520 2559960 3413280 4095936 5119920 6826560 10239840 20479680
- Sum of all divisors σ(n): 75998832
- Sum of proper divisors (its aliquot sum) s(n): 55519152
- 20479680 is an abundant number, because the sum of its proper divisors (55519152) is greater than itself. Its abundance is 35039472
Bases of 20479680
- Binary: 10011100001111110110000002
- Hexadecimal: 0x1387EC0
- Base-36: C6Y80
Squares and roots of 20479680
- 20479680 squared (204796802) is 419417292902400
- 20479680 cubed (204796803) is 8589531945107423232000
-
The
square root of 20479680 is 4525.4480441167 -
The
cube root of 20479680 is 273.5947264809
Scales and comparisons
How big is 20479680?- 20,479,680 seconds is equal to 33 weeks, 6 days, 48 minutes.
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To count from 1 to 20,479,680 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 20479680 cubic inches would be around 22.8 feet tall.
Recreational maths with 20479680
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