12491342864
12,491,342,864 is an even composite number composed of seven prime numbers multiplied together.
What does the number 12491342864 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 320 divisors.
12491342864 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 12491342864:
24 × 7 × 11 × 13 × 31 × 139 × 181
(2 × 2 × 2 × 2 × 7 × 11 × 13 × 31 × 139 × 181)See below for interesting mathematical facts about the number 12491342864 from the Numbermatics database.
Names of 12491342864
- Cardinal: 12491342864 can be written as Twelve billion, four hundred ninety-one million, three hundred forty-two thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 1.2491342864 × 1010
Factors of 12491342864
Divisors of 12491342864
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 7 8 11 13 14 16 22 26 28 31 44 52 56 62 77 88 91 104 112 124 139 143 154 176 181 182 208 217 248 278 286 308 341 362 364 403 434 496 556 572 616 682 724 728 806 868 973 1001 1112 1144 1232 1267 1364 1448 1456 1529 1612 1736 1807 1946 1991 2002 2224 2288 2353 2387 2534 2728 2821 2896 3058 3224 3472 3614 3892 3982 4004 4309 4433 4706 4774 5068 5456 5611 5642 6116 6448 7228 7784 7964 8008 8618 8866 9412 9548 10136 10703 11222 11284 12232 12649 13937 14456 15568 15928 16016 16471 17236 17732 18824 19096 19877 20272 21406 22444 22568 24464 25159 25298 25883 27874 28912 30163 31031 31856 32942 34472 35464 37648 38192 39277 39754 42812 44888 45136 47399 50318 50596 51766 55748 56017 60326 61721 62062 65884 68944 70928 72943 78554 79508 85624 89776 94798 100636 101192 103532 111496 112034 120652 123442 124124 131768 139139 145886 157108 159016 171248 176113 181181 189596 201272 202384 207064 222992 224068 241304 246884 248248 263536 276749 278278 291772 314216 318032 327067 331793 352226 362362 379192 392119 402544 414128 432047 448136 482608 493768 496496 510601 553498 556556 583544 616187 628432 654134 663586 704452 724724 758384 779929 784238 802373 864094 896272 987536 1021202 1106996 1113112 1167088 1232374 1308268 1327172 1408904 1449448 1559858 1568476 1604746 1728188 1937243 2042404 2213992 2226224 2289469 2464748 2616536 2654344 2817808 2898896 3119716 3136952 3209492 3456376 3597737 3874486 4084808 4313309 4427984 4578938 4929496 5233072 5308688 5459503 5616611 6239432 6273904 6418984 6912752 7195474 7748972 8169616 8579219 8626618 9157876 9858992 10139077 10919006 11233222 12478864 12837968 14390948 15497944 17158438 17253236 18315752 20278154 21838012 22466444 25184159 28781896 30995888 34316876 34506472 36631504 40556308 43676024 44932888 50368318 57563792 60054533 68633752 69012944 70973539 81112616 87352048 89865776 100736636 111529847 120109066 137267504 141947078 162225232 201473272 223059694 240218132 283894156 402946544 446119388 480436264 567788312 780708929 892238776 960872528 1135576624 1561417858 1784477552 3122835716 6245671432 12491342864
- Sum of all divisors σ(n): 33971159040
- Sum of proper divisors (its aliquot sum) s(n): 21479816176
- 12491342864 is an abundant number, because the sum of its proper divisors (21479816176) is greater than itself. Its abundance is 8988473312
Bases of 12491342864
- Binary: 10111010001000101011000100000100002
- Hexadecimal: 0x2E88AC410
- Base-36: 5QL0TU8
Squares and roots of 12491342864
- 12491342864 squared (124913428642) is 156033646546003722496
- 12491342864 cubed (124913428643) is 1949069777326321846717845868544
-
The
square root of 12491342864 is 111764.6762801199 -
The
cube root of 12491342864 is 2320.2585215283
Scales and comparisons
How big is 12491342864?- 12,491,342,864 seconds is equal to 397 years, 9 weeks, 4 days, 17 hours, 27 minutes, 44 seconds.
-
To count from 1 to 12,491,342,864 would take you about seven hundred ninety-four 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 12491342864 cubic inches would be around 193.4 feet tall.
Recreational maths with 12491342864
- 12491342864 backwards is 46824319421
- 12491342864 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12491342864's digits is 44
- More coming soon!
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