20429920
20,429,920 is an even composite number composed of six prime numbers multiplied together.
20429920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 20429920:
25 × 5 × 7 × 17 × 29 × 37
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 17 × 29 × 37)See below for interesting mathematical facts about the number 20429920 from the Numbermatics database.
Names of 20429920
- Cardinal: 20429920 can be written as Twenty million, four hundred twenty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.042992 × 107
Factors of 20429920
Divisors of 20429920
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 17 20 28 29 32 34 35 37 40 56 58 68 70 74 80 85 112 116 119 136 140 145 148 160 170 185 203 224 232 238 259 272 280 290 296 340 370 406 464 476 493 518 544 560 580 592 595 629 680 740 812 928 952 986 1015 1036 1073 1120 1160 1184 1190 1258 1295 1360 1480 1624 1904 1972 2030 2072 2146 2320 2380 2465 2516 2590 2720 2960 3145 3248 3451 3808 3944 4060 4144 4292 4403 4640 4760 4930 5032 5180 5365 5920 6290 6496 6902 7511 7888 8120 8288 8584 8806 9520 9860 10064 10360 10730 12580 13804 15022 15776 16240 17168 17255 17612 18241 19040 19720 20128 20720 21460 22015 25160 27608 30044 32480 34336 34510 35224 36482 37555 39440 41440 42920 44030 50320 55216 60088 69020 70448 72964 75110 78880 85840 88060 91205 100640 110432 120176 127687 138040 140896 145928 150220 171680 176120 182410 240352 255374 276080 291856 300440 352240 364820 510748 552160 583712 600880 638435 704480 729640 1021496 1201760 1276870 1459280 2042992 2553740 2918560 4085984 5107480 10214960 20429920
- Sum of all divisors σ(n): 62052480
- Sum of proper divisors (its aliquot sum) s(n): 41622560
- 20429920 is an abundant number, because the sum of its proper divisors (41622560) is greater than itself. Its abundance is 21192640
Bases of 20429920
- Binary: 10011011110111100011000002
- Hexadecimal: 0x137BC60
- Base-36: C5VTS
Squares and roots of 20429920
- 20429920 squared (204299202) is 417381631206400
- 20429920 cubed (204299203) is 8527073335016255488000
-
The
square root of 20429920 is 4519.9469023429 -
The
cube root of 20429920 is 273.3729600821
Scales and comparisons
How big is 20429920?- 20,429,920 seconds is equal to 33 weeks, 5 days, 10 hours, 58 minutes, 40 seconds.
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To count from 1 to 20,429,920 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 20429920 cubic inches would be around 22.8 feet tall.
Recreational maths with 20429920
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