31997213325
31,997,213,325 is an odd composite number composed of five prime numbers multiplied together.
31997213325 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-two divisors.
Prime factorization of 31997213325:
36 × 52 × 7 × 11 × 1512
(3 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 7 × 11 × 151 × 151)See below for interesting mathematical facts about the number 31997213325 from the Numbermatics database.
Names of 31997213325
- Cardinal: 31997213325 can be written as Thirty-one billion, nine hundred ninety-seven million, two hundred thirteen thousand, three hundred twenty-five.
Scientific notation
- Scientific notation: 3.1997213325 × 1010
Factors of 31997213325
Divisors of 31997213325
- Number of divisors d(n): 252
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Complete list of divisors:
1 3 5 7 9 11 15 21 25 27 33 35 45 55 63 75 77 81 99 105 135 151 165 175 189 225 231 243 275 297 315 385 405 453 495 525 567 675 693 729 755 825 891 945 1057 1155 1215 1359 1485 1575 1661 1701 1925 2025 2079 2265 2475 2673 2835 3171 3465 3645 3775 4077 4455 4725 4983 5103 5285 5775 6075 6237 6795 7425 8019 8305 8505 9513 10395 11325 11627 12231 13365 14175 14949 15855 17325 18225 18711 20385 22275 22801 24915 25515 26425 28539 31185 33975 34881 36693 40095 41525 42525 44847 47565 51975 56133 58135 61155 66825 68403 74745 79275 85617 93555 101925 104643 110079 114005 124575 127575 134541 142695 155925 159607 174405 183465 200475 205209 224235 237825 250811 256851 280665 290675 305775 313929 342015 373725 403623 428085 467775 478821 523215 550395 570025 615627 672705 713475 752433 770553 798035 872025 917325 941787 1026045 1121175 1210869 1254055 1284255 1403325 1436463 1569645 1710075 1755677 1846881 2018115 2140425 2257299 2394105 2616075 2751975 2825361 3078135 3363525 3762165 3852765 3990175 4309389 4708935 5130225 5267031 5540643 6054345 6270275 6421275 6771897 7182315 7848225 8476083 8778385 9234405 10090575 11286495 11970525 12928167 14126805 15390675 15801093 16621929 18810825 19263825 20315691 21546945 23544675 26335155 27703215 30271725 33859485 35911575 38784501 42380415 43891925 46172025 47403279 56432475 60947073 64640835 70634025 79005465 83109645 101578455 107734725 116353503 131675775 138516075 142209837 169297425 182841219 193922505 211902075 237016395 304735365 323204175 395027325 415548225 426629511 507892275 581767515 711049185 914206095 969612525 1185081975 1279888533 1523676825 2133147555 2908837575 3555245925 4571030475 6399442665 10665737775 31997213325
- Sum of all divisors σ(n): 74660783904
- Sum of proper divisors (its aliquot sum) s(n): 42663570579
- 31997213325 is an abundant number, because the sum of its proper divisors (42663570579) is greater than itself. Its abundance is 10666357254
Bases of 31997213325
- Binary: 111011100110010111010111010100011012
- Hexadecimal: 0x7732EBA8D
- Base-36: EP6BBT9
Squares and roots of 31997213325
- 31997213325 squared (319972133252) is 1023821660565557555625
- 31997213325 cubed (319972133253) is 32759440079871885254898678703125
-
The
square root of 31997213325 is 178877.6490369883 -
The
cube root of 31997213325 is 3174.7099435355
Scales and comparisons
How big is 31997213325?- 31,997,213,325 seconds is equal to 1,017 years, 21 weeks, 3 days, 2 hours, 48 minutes, 45 seconds.
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To count from 1 to 31,997,213,325 would take you about two thousand and thirty-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 31997213325 cubic inches would be around 264.6 feet tall.
Recreational maths with 31997213325
- 31997213325 backwards is 52331279913
- 31997213325 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 31997213325's digits is 45
- More coming soon!
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