20408889072
20,408,889,072 is an even composite number composed of seven prime numbers multiplied together.
20408889072 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 20408889072:
24 × 3 × 11 × 13 × 61 × 79 × 617
(2 × 2 × 2 × 2 × 3 × 11 × 13 × 61 × 79 × 617)See below for interesting mathematical facts about the number 20408889072 from the Numbermatics database.
Names of 20408889072
- Cardinal: 20408889072 can be written as Twenty billion, four hundred eight million, eight hundred eighty-nine thousand and seventy-two.
Scientific notation
- Scientific notation: 2.0408889072 × 1010
Factors of 20408889072
Divisors of 20408889072
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 6 8 11 12 13 16 22 24 26 33 39 44 48 52 61 66 78 79 88 104 122 132 143 156 158 176 183 208 237 244 264 286 312 316 366 429 474 488 528 572 617 624 632 671 732 793 858 869 948 976 1027 1144 1234 1264 1342 1464 1586 1716 1738 1851 1896 2013 2054 2288 2379 2468 2607 2684 2928 3081 3172 3432 3476 3702 3792 4026 4108 4758 4819 4936 5214 5368 6162 6344 6787 6864 6952 7404 8021 8052 8216 8723 9516 9638 9872 10428 10736 11297 12324 12688 13574 13904 14457 14808 16042 16104 16432 17446 19032 19276 20361 20856 22594 24063 24648 26169 27148 28914 29616 32084 32208 33891 34892 37637 38064 38552 40722 41712 45188 48126 48743 49296 52338 53009 54296 57828 62647 64168 67782 69784 75274 77104 81444 88231 90376 96252 97486 104676 106018 108592 112911 115656 125294 128336 135564 139568 146229 150548 159027 162888 176462 180752 187941 192504 194972 209352 212036 225822 231312 250588 264693 271128 292458 301096 318054 325776 352924 375882 385008 389944 414007 418704 424072 451644 489281 501176 529386 536173 542256 584916 602192 633659 636108 689117 705848 751764 779888 828014 848144 903288 978562 1002352 1058772 1072346 1169832 1242021 1267318 1272216 1378234 1411696 1467843 1503528 1608519 1656028 1806576 1900977 1957124 2067351 2117544 2144692 2339664 2484042 2534636 2544432 2756468 2935686 2973323 3007056 3217038 3312056 3801954 3914248 4134702 4235088 4289384 4968084 5069272 5382091 5512936 5871372 5946646 6434076 6624112 6970249 7603908 7828496 8269404 8578768 8919969 9936168 10138544 10764182 11025872 11742744 11893292 12868152 13940498 15207816 16146273 16538808 17839938 19872336 20910747 21528364 23485488 23786584 25736304 27880996 30415632 32292546 32706553 33077616 35679876 38653199 41821494 43056728 47573168 55761992 64585092 65413106 71359752 77306398 83642988 86113456 98119659 111523984 115959597 129170184 130826212 142719504 154612796 167285976 196239318 231919194 258340368 261652424 309225592 334571952 392478636 425185189 463838388 523304848 618451184 784957272 850370378 927676776 1275555567 1569914544 1700740756 1855353552 2551111134 3401481512 5102222268 6802963024 10204444536 20408889072
- Sum of all divisors σ(n): 63855912960
- Sum of proper divisors (its aliquot sum) s(n): 43447023888
- 20408889072 is an abundant number, because the sum of its proper divisors (43447023888) is greater than itself. Its abundance is 23038134816
Bases of 20408889072
- Binary: 100110000000111011011101110111100002
- Hexadecimal: 0x4C076EEF0
- Base-36: 9DIXBLC
Squares and roots of 20408889072
- 20408889072 squared (204088890722) is 416522753153201021184
- 20408889072 cubed (204088890723) is 8500766665067717863061378101248
-
The
square root of 20408889072 is 142859.6831579855 -
The
cube root of 20408889072 is 2732.7912285739
Scales and comparisons
How big is 20408889072?- 20,408,889,072 seconds is equal to 648 years, 48 weeks, 5 days, 23 hours, 51 minutes, 12 seconds.
-
To count from 1 to 20,408,889,072 would take you about one thousand, two hundred ninety-seven 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 20408889072 cubic inches would be around 227.7 feet tall.
Recreational maths with 20408889072
- 20408889072 backwards is 27098880402
- 20408889072 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20408889072's digits is 48
- More coming soon!
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