20439440
20,439,440 is an even composite number composed of six prime numbers multiplied together.
20439440 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 20439440:
24 × 5 × 7 × 17 × 19 × 113
(2 × 2 × 2 × 2 × 5 × 7 × 17 × 19 × 113)See below for interesting mathematical facts about the number 20439440 from the Numbermatics database.
Names of 20439440
- Cardinal: 20439440 can be written as Twenty million, four hundred thirty-nine thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.043944 × 107
Factors of 20439440
Divisors of 20439440
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 17 19 20 28 34 35 38 40 56 68 70 76 80 85 95 112 113 119 133 136 140 152 170 190 226 238 266 272 280 304 323 340 380 452 476 532 560 565 595 646 665 680 760 791 904 952 1064 1130 1190 1292 1330 1360 1520 1582 1615 1808 1904 1921 2128 2147 2260 2261 2380 2584 2660 3164 3230 3842 3955 4294 4520 4522 4760 5168 5320 6328 6460 7684 7910 8588 9040 9044 9520 9605 10640 10735 11305 12656 12920 13447 15029 15368 15820 17176 18088 19210 21470 22610 25840 26894 30058 30736 31640 34352 36176 36499 38420 42940 45220 53788 60116 63280 67235 72998 75145 76840 85880 90440 107576 120232 134470 145996 150290 153680 171760 180880 182495 215152 240464 255493 268940 291992 300580 364990 510986 537880 583984 601160 729980 1021972 1075760 1202320 1277465 1459960 2043944 2554930 2919920 4087888 5109860 10219720 20439440
- Sum of all divisors σ(n): 61067520
- Sum of proper divisors (its aliquot sum) s(n): 40628080
- 20439440 is an abundant number, because the sum of its proper divisors (40628080) is greater than itself. Its abundance is 20188640
Bases of 20439440
- Binary: 10011011111100001100100002
- Hexadecimal: 0x137E190
- Base-36: C6368
Squares and roots of 20439440
- 20439440 squared (204394402) is 417770707513600
- 20439440 cubed (204394403) is 8538999309981776384000
-
The
square root of 20439440 is 4520.9998894049 -
The
cube root of 20439440 is 273.4154158927
Scales and comparisons
How big is 20439440?- 20,439,440 seconds is equal to 33 weeks, 5 days, 13 hours, 37 minutes, 20 seconds.
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To count from 1 to 20,439,440 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 20439440 cubic inches would be around 22.8 feet tall.
Recreational maths with 20439440
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"Number 20439440 - Facts about the integer". Numbermatics.com. 2024. Web. 11 May 2024.
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The information we have on file for 20439440 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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