31491046872
31,491,046,872 is an even composite number composed of six prime numbers multiplied together.
31491046872 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 31491046872:
23 × 32 × 29 × 137 × 283 × 389
(2 × 2 × 2 × 3 × 3 × 29 × 137 × 283 × 389)See below for interesting mathematical facts about the number 31491046872 from the Numbermatics database.
Names of 31491046872
- Cardinal: 31491046872 can be written as Thirty-one billion, four hundred ninety-one million, forty-six thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 3.1491046872 × 1010
Factors of 31491046872
Divisors of 31491046872
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 6 8 9 12 18 24 29 36 58 72 87 116 137 174 232 261 274 283 348 389 411 522 548 566 696 778 822 849 1044 1096 1132 1167 1233 1556 1644 1698 2088 2264 2334 2466 2547 3112 3288 3396 3501 3973 4668 4932 5094 6792 7002 7946 8207 9336 9864 10188 11281 11919 14004 15892 16414 20376 22562 23838 24621 28008 31784 32828 33843 35757 38771 45124 47676 49242 53293 65656 67686 71514 73863 77542 90248 95352 98484 101529 106586 110087 116313 135372 143028 147726 155084 159879 196968 203058 213172 220174 232626 270744 286056 295452 310168 319758 330261 348939 406116 426344 440348 465252 479637 590904 639516 660522 697878 812232 880696 930504 959274 990783 1124359 1279032 1321044 1395756 1545497 1918548 1981566 2248718 2642088 2791512 3090994 3192523 3373077 3837096 3963132 4497436 4636491 6181988 6385046 6746154 7926264 8994872 9272982 9577569 10119231 12363976 12770092 13492308 13909473 15081919 18545964 19155138 20238462 25540184 26984616 27818946 28732707 30163838 37091928 38310276 40476924 45245757 55637892 57465414 60327676 76620552 80953848 90491514 111275784 114930828 120655352 135737271 180983028 229861656 271474542 361966056 437375651 542949084 874751302 1085898168 1312126953 1749502604 2624253906 3499005208 3936380859 5248507812 7872761718 10497015624 15745523436 31491046872
- Sum of all divisors σ(n): 89416548000
- Sum of proper divisors (its aliquot sum) s(n): 57925501128
- 31491046872 is an abundant number, because the sum of its proper divisors (57925501128) is greater than itself. Its abundance is 26434454256
Bases of 31491046872
- Binary: 111010101010000001100111101110110002
- Hexadecimal: 0x755033DD8
- Base-36: EGSYFA0
Squares and roots of 31491046872
- 31491046872 squared (314910468722) is 991686033094500984384
- 31491046872 cubed (314910468723) is 31229231350486673704686684046848
-
The
square root of 31491046872 is 177457.1691197625 -
The
cube root of 31491046872 is 3157.8805579045
Scales and comparisons
How big is 31491046872?- 31,491,046,872 seconds is equal to 1,001 years, 16 weeks, 3 days, 17 hours, 1 minute, 12 seconds.
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To count from 1 to 31,491,046,872 would take you about two thousand and two 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 31491046872 cubic inches would be around 263.2 feet tall.
Recreational maths with 31491046872
- 31491046872 backwards is 27864019413
- The number of decimal digits it has is: 11
- The sum of 31491046872's digits is 45
- More coming soon!
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