12987474864
12,987,474,864 is an even composite number composed of seven prime numbers multiplied together.
12987474864 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 12987474864:
24 × 3 × 7 × 13 × 61 × 79 × 617
(2 × 2 × 2 × 2 × 3 × 7 × 13 × 61 × 79 × 617)See below for interesting mathematical facts about the number 12987474864 from the Numbermatics database.
Names of 12987474864
- Cardinal: 12987474864 can be written as Twelve billion, nine hundred eighty-seven million, four hundred seventy-four thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 1.2987474864 × 1010
Factors of 12987474864
Divisors of 12987474864
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 52 56 61 78 79 84 91 104 112 122 156 158 168 182 183 208 237 244 273 312 316 336 364 366 427 474 488 546 553 617 624 632 728 732 793 854 948 976 1027 1092 1106 1234 1264 1281 1456 1464 1586 1659 1708 1851 1896 2054 2184 2212 2379 2468 2562 2928 3081 3172 3318 3416 3702 3792 4108 4319 4368 4424 4758 4819 4936 5124 5551 6162 6344 6636 6832 7189 7404 8021 8216 8638 8848 9516 9638 9872 10248 11102 12324 12688 12957 13272 14378 14457 14808 16042 16432 16653 17276 19032 19276 20496 21567 22204 24063 24648 25914 26544 28756 28914 29616 32084 33306 33733 34552 37637 38064 38552 43134 44408 48126 48743 49296 51828 56147 57512 57828 62647 64168 66612 67466 69104 75274 77104 86268 88816 96252 97486 101199 103656 112294 112911 115024 115656 125294 128336 133224 134932 146229 150548 168441 172536 187941 192504 194972 202398 207312 224588 225822 231312 250588 263459 266448 269864 292458 301096 336882 341201 345072 375882 385008 389944 404796 438529 449176 451644 489281 501176 526918 539728 584916 602192 633659 673764 682402 751764 779888 790377 809592 877058 898352 903288 978562 1002352 1023603 1053836 1169832 1267318 1315587 1347528 1364804 1467843 1503528 1580754 1619184 1754116 1806576 1900977 1957124 2047206 2107672 2339664 2534636 2631174 2695056 2729608 2935686 2973323 3007056 3161508 3424967 3508232 3801954 3914248 4094412 4215344 4435613 5069272 5262348 5459216 5871372 5946646 6323016 6849934 7016464 7603908 7828496 8188824 8871226 8919969 10138544 10274901 10524696 11742744 11893292 12646032 13306839 13699868 15207816 16377648 17742452 17839938 20549802 20813261 21049392 23485488 23786584 26613678 27399736 30415632 35484904 35679876 38653199 41099604 41626522 47573168 53227356 54799472 62439783 70969808 71359752 77306398 82199208 83253044 106454712 115959597 124879566 142719504 154612796 164398416 166506088 212909424 231919194 249759132 270572393 309225592 333012176 463838388 499518264 541144786 618451184 811717179 927676776 999036528 1082289572 1623434358 1855353552 2164579144 3246868716 4329158288 6493737432 12987474864
- Sum of all divisors σ(n): 42570608640
- Sum of proper divisors (its aliquot sum) s(n): 29583133776
- 12987474864 is an abundant number, because the sum of its proper divisors (29583133776) is greater than itself. Its abundance is 16595658912
Bases of 12987474864
- Binary: 11000001100001110100100011101100002
- Hexadecimal: 0x3061D23B0
- Base-36: 5YSENQO
Squares and roots of 12987474864
- 12987474864 squared (129874748642) is 168674503343031818496
- 12987474864 cubed (129874748643) is 2190655872365309712269010284544
-
The
square root of 12987474864 is 113962.6029186767 -
The
cube root of 12987474864 is 2350.5792966915
Scales and comparisons
How big is 12987474864?- 12,987,474,864 seconds is equal to 412 years, 49 weeks, 6 days, 23 hours, 54 minutes, 24 seconds.
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To count from 1 to 12,987,474,864 would take you about eight hundred twenty-five 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 12987474864 cubic inches would be around 195.9 feet tall.
Recreational maths with 12987474864
- 12987474864 backwards is 46847478921
- The number of decimal digits it has is: 11
- The sum of 12987474864's digits is 60
- More coming soon!
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