31890837972
31,890,837,972 is an even composite number composed of six prime numbers multiplied together.
31890837972 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 31890837972:
22 × 3 × 73 × 29 × 53 × 712
(2 × 2 × 3 × 7 × 7 × 7 × 29 × 53 × 71 × 71)See below for interesting mathematical facts about the number 31890837972 from the Numbermatics database.
Names of 31890837972
- Cardinal: 31890837972 can be written as Thirty-one billion, eight hundred ninety million, eight hundred thirty-seven thousand, nine hundred seventy-two.
Scientific notation
- Scientific notation: 3.1890837972 × 1010
Factors of 31890837972
Divisors of 31890837972
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 7 12 14 21 28 29 42 49 53 58 71 84 87 98 106 116 142 147 159 174 196 203 212 213 284 294 318 343 348 371 406 426 497 588 609 636 686 742 812 852 994 1029 1113 1218 1372 1421 1484 1491 1537 1988 2058 2059 2226 2436 2597 2842 2982 3074 3479 3763 4116 4118 4263 4452 4611 5041 5194 5684 5964 6148 6177 6958 7526 7791 8236 8526 9222 9947 10082 10388 10437 10759 11289 12354 13916 14413 15052 15123 15582 17052 18179 18444 19894 20164 20874 21518 22578 24353 24708 26341 28826 29841 30246 31164 32277 35287 36358 39788 41748 43036 43239 45156 48706 52682 54537 57652 59682 60492 64554 70574 72716 73059 75313 79023 86478 97412 100891 105364 105861 109074 109127 119364 129108 141148 146118 146189 150626 158046 172956 184387 201782 211722 218148 218254 225939 247009 267173 292236 292378 301252 302673 316092 327381 368774 403564 423444 436508 438567 451878 494018 527191 534346 553161 584756 605346 654762 706237 737548 741027 763889 801519 877134 903756 988036 1023323 1054382 1068692 1106322 1210692 1290709 1309524 1412474 1482054 1527778 1581573 1603038 1729063 1754268 1870211 2046646 2108764 2118711 2212644 2291667 2581418 2824948 2964108 3055556 3069969 3163146 3206076 3458126 3740422 3872127 4093292 4237422 4583334 5162836 5187189 5347223 5610633 6139938 6326292 6916252 7163261 7480844 7744254 7748017 8474844 9166668 10374378 10694446 11221266 12279876 13091477 14326522 15488508 15496034 16041669 20748756 21388892 21489783 22442532 23244051 26182954 28653044 30992068 32083338 37430561 39274431 42979566 46488102 50142827 52365908 54236119 64166676 74861122 78548862 85959132 91640339 92976204 100285654 108472238 112291683 149722244 150428481 157097724 162708357 183280678 200571308 216944476 224583366 274921017 300856962 325416714 366561356 379652833 449166732 549842034 601713924 650833428 759305666 1099684068 1138958499 1518611332 2277916998 2657569831 4555833996 5315139662 7972709493 10630279324 15945418986 31890837972
- Sum of all divisors σ(n): 92770272000
- Sum of proper divisors (its aliquot sum) s(n): 60879434028
- 31890837972 is an abundant number, because the sum of its proper divisors (60879434028) is greater than itself. Its abundance is 28988596056
Bases of 31890837972
- Binary: 111011011001101011110010001110101002
- Hexadecimal: 0x76CD791D4
- Base-36: ENEZC2C
Squares and roots of 31890837972
- 31890837972 squared (318908379722) is 1017025546556357072784
- 31890837972 cubed (318908379723) is 32433796918613525974730754954048
-
The
square root of 31890837972 is 178580.0603986907 -
The
cube root of 31890837972 is 3171.1879094723
Scales and comparisons
How big is 31890837972?- 31,890,837,972 seconds is equal to 1,014 years, 1 week, 3 days, 22 hours, 6 minutes, 12 seconds.
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To count from 1 to 31,890,837,972 would take you about two thousand and twenty-eight 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 31890837972 cubic inches would be around 264.3 feet tall.
Recreational maths with 31890837972
- 31890837972 backwards is 27973809813
- The number of decimal digits it has is: 11
- The sum of 31890837972's digits is 57
- More coming soon!
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