209142864
209,142,864 is an even composite number composed of six prime numbers multiplied together.
209142864 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 209142864:
24 × 33 × 7 × 23 × 31 × 97
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 23 × 31 × 97)See below for interesting mathematical facts about the number 209142864 from the Numbermatics database.
Names of 209142864
- Cardinal: 209142864 can be written as Two hundred nine million, one hundred forty-two thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 2.09142864 × 108
Factors of 209142864
Divisors of 209142864
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 23 24 27 28 31 36 42 46 48 54 56 62 63 69 72 84 92 93 97 108 112 124 126 138 144 161 168 184 186 189 194 207 216 217 248 252 276 279 291 322 336 368 372 378 388 414 432 434 483 496 504 552 558 582 621 644 651 679 713 744 756 776 828 837 868 873 966 1008 1104 1116 1164 1242 1288 1302 1358 1426 1449 1488 1512 1552 1656 1674 1736 1746 1932 1953 2037 2139 2231 2232 2328 2484 2576 2604 2619 2716 2852 2898 3007 3024 3312 3348 3472 3492 3864 3906 4074 4278 4347 4462 4464 4656 4968 4991 5208 5238 5432 5704 5796 5859 6014 6111 6417 6693 6696 6984 7728 7812 8148 8556 8694 8924 9021 9936 9982 10416 10476 10864 11408 11592 11718 12028 12222 12834 13386 13392 13968 14973 15617 15624 16296 17112 17388 17848 18042 18333 19251 19964 20079 20952 21049 23184 23436 24056 24444 25668 26772 27063 29946 31234 31248 32592 34224 34776 35696 36084 36666 38502 39928 40158 41904 42098 44919 46851 46872 48112 48888 51336 53544 54126 59892 60237 62468 63147 69161 69552 72168 73332 77004 79856 80316 81189 84196 89838 93702 93744 97776 102672 107088 108252 119784 120474 124936 126294 134757 138322 140553 144336 146664 154008 160632 162378 168392 179676 187404 189441 207483 216504 239568 240948 249872 252588 269514 276644 281106 293328 308016 321264 324756 336784 359352 374808 378882 414966 421659 433008 481896 484127 505176 539028 553288 562212 568323 622449 649512 718704 749616 757764 829932 843318 963792 968254 1010352 1078056 1106576 1124424 1136646 1244898 1299024 1452381 1515528 1659864 1686636 1867347 1936508 2156112 2248848 2273292 2489796 2904762 3031056 3319728 3373272 3734694 3873016 4357143 4546584 4979592 5809524 6746544 7469388 7746032 8714286 9093168 9959184 11619048 13071429 14938776 17428572 23238096 26142858 29877552 34857144 52285716 69714288 104571432 209142864
- Sum of all divisors σ(n): 746618880
- Sum of proper divisors (its aliquot sum) s(n): 537476016
- 209142864 is an abundant number, because the sum of its proper divisors (537476016) is greater than itself. Its abundance is 328333152
Bases of 209142864
- Binary: 11000111011101000100010100002
- Hexadecimal: 0xC774450
- Base-36: 3GINO0
Squares and roots of 209142864
- 209142864 squared (2091428642) is 43740737562122496
- 209142864 cubed (2091428643) is 9148063127214676732268544
-
The
square root of 209142864 is 14461.7725054711 -
The
cube root of 209142864 is 593.5824021297
Scales and comparisons
How big is 209142864?- 209,142,864 seconds is equal to 6 years, 33 weeks, 5 days, 15 hours, 14 minutes, 24 seconds.
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To count from 1 to 209,142,864 would take you about nine years!
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 209142864 cubic inches would be around 49.5 feet tall.
Recreational maths with 209142864
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