20249280
20,249,280 is an even composite number composed of five prime numbers multiplied together.
20249280 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 20249280:
26 × 32 × 5 × 79 × 89
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 79 × 89)See below for interesting mathematical facts about the number 20249280 from the Numbermatics database.
Names of 20249280
- Cardinal: 20249280 can be written as Twenty million, two hundred forty-nine thousand, two hundred eighty.
Scientific notation
- Scientific notation: 2.024928 × 107
Factors of 20249280
Divisors of 20249280
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 79 80 89 90 96 120 144 158 160 178 180 192 237 240 267 288 316 320 356 360 395 445 474 480 534 576 632 711 712 720 790 801 890 948 960 1068 1185 1264 1335 1422 1424 1440 1580 1602 1780 1896 2136 2370 2528 2670 2844 2848 2880 3160 3204 3555 3560 3792 4005 4272 4740 5056 5340 5688 5696 6320 6408 7031 7110 7120 7584 8010 8544 9480 10680 11376 12640 12816 14062 14220 14240 15168 16020 17088 18960 21093 21360 22752 25280 25632 28124 28440 28480 32040 35155 37920 42186 42720 45504 51264 56248 56880 63279 64080 70310 75840 84372 85440 105465 112496 113760 126558 128160 140620 168744 210930 224992 227520 253116 256320 281240 316395 337488 421860 449984 506232 562480 632790 674976 843720 1012464 1124960 1265580 1349952 1687440 2024928 2249920 2531160 3374880 4049856 5062320 6749760 10124640 20249280
- Sum of all divisors σ(n): 71323200
- Sum of proper divisors (its aliquot sum) s(n): 51073920
- 20249280 is an abundant number, because the sum of its proper divisors (51073920) is greater than itself. Its abundance is 30824640
Bases of 20249280
- Binary: 10011010011111010110000002
- Hexadecimal: 0x134FAC0
- Base-36: C20G0
Squares and roots of 20249280
- 20249280 squared (202492802) is 410033340518400
- 20249280 cubed (202492803) is 8302879921492426752000
-
The
square root of 20249280 is 4499.9199992889 -
The
cube root of 20249280 is 272.5648584499
Scales and comparisons
How big is 20249280?- 20,249,280 seconds is equal to 33 weeks, 3 days, 8 hours, 48 minutes.
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To count from 1 to 20,249,280 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 20249280 cubic inches would be around 22.7 feet tall.
Recreational maths with 20249280
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