31138494912
31,138,494,912 is an even composite number composed of four prime numbers multiplied together.
31138494912 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred fifty-two divisors.
Prime factorization of 31138494912:
26 × 32 × 73 × 3972
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 7 × 7 × 397 × 397)See below for interesting mathematical facts about the number 31138494912 from the Numbermatics database.
Names of 31138494912
- Cardinal: 31138494912 can be written as Thirty-one billion, one hundred thirty-eight million, four hundred ninety-four thousand, nine hundred twelve.
Scientific notation
- Scientific notation: 3.1138494912 × 1010
Factors of 31138494912
Divisors of 31138494912
- Number of divisors d(n): 252
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 64 72 84 96 98 112 126 144 147 168 192 196 224 252 288 294 336 343 392 397 441 448 504 576 588 672 686 784 794 882 1008 1029 1176 1191 1344 1372 1568 1588 1764 2016 2058 2352 2382 2744 2779 3087 3136 3176 3528 3573 4032 4116 4704 4764 5488 5558 6174 6352 7056 7146 8232 8337 9408 9528 10976 11116 12348 12704 14112 14292 16464 16674 19056 19453 21952 22232 24696 25011 25408 28224 28584 32928 33348 38112 38906 44464 49392 50022 57168 58359 65856 66696 76224 77812 88928 98784 100044 114336 116718 133392 136171 155624 157609 175077 177856 197568 200088 228672 233436 266784 272342 311248 315218 350154 400176 408513 466872 472827 533568 544684 622496 630436 700308 800352 817026 933744 945654 1089368 1103263 1225539 1244992 1260872 1400616 1418481 1600704 1634052 1867488 1891308 2178736 2206526 2451078 2521744 2801232 2836962 3268104 3309789 3734976 3782616 4357472 4413052 4902156 5043488 5602464 5673924 6536208 6619578 7565232 7722841 8714944 8826104 9804312 9929367 10086976 11204928 11347848 13072416 13239156 15130464 15445682 17652208 19608624 19858734 22695696 23168523 26144832 26478312 30260928 30891364 35304416 39217248 39717468 45391392 46337046 52956624 54059887 61782728 69505569 70608832 78434496 79434936 90782784 92674092 105913248 108119774 123565456 139011138 158869872 162179661 185348184 211826496 216239548 247130912 278022276 317739744 324359322 370696368 432479096 486538983 494261824 556044552 635479488 648718644 741392736 864958192 973077966 1112089104 1297437288 1482785472 1729916384 1946155932 2224178208 2594874576 3459832768 3892311864 4448356416 5189749152 7784623728 10379498304 15569247456 31138494912
- Sum of all divisors σ(n): 104347822800
- Sum of proper divisors (its aliquot sum) s(n): 73209327888
- 31138494912 is an abundant number, because the sum of its proper divisors (73209327888) is greater than itself. Its abundance is 42070832976
Bases of 31138494912
- Binary: 111001111111111111110111001110000002
- Hexadecimal: 0x73FFFB9C0
- Base-36: EAZ20G0
Squares and roots of 31138494912
- 31138494912 squared (311384949122) is 969605865384649887744
- 31138494912 cubed (311384949123) is 30192067305925277452417915158528
-
The
square root of 31138494912 is 176461.0294427639 -
The
cube root of 31138494912 is 3146.0518238363
Scales and comparisons
How big is 31138494912?- 31,138,494,912 seconds is equal to 990 years, 5 weeks, 4 days, 5 hours, 55 minutes, 12 seconds.
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To count from 1 to 31,138,494,912 would take you about one thousand, nine hundred eighty 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 31138494912 cubic inches would be around 262.2 feet tall.
Recreational maths with 31138494912
- 31138494912 backwards is 21949483113
- The number of decimal digits it has is: 11
- The sum of 31138494912's digits is 45
- More coming soon!
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