31981796421393
31,981,796,421,393 is an odd composite number composed of six prime numbers multiplied together.
31981796421393 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 31981796421393:
3 × 7 × 13 × 312 × 612 × 1812
(3 × 7 × 13 × 31 × 31 × 61 × 61 × 181 × 181)See below for interesting mathematical facts about the number 31981796421393 from the Numbermatics database.
Names of 31981796421393
- Cardinal: 31981796421393 can be written as Thirty-one trillion, nine hundred eighty-one billion, seven hundred ninety-six million, four hundred twenty-one thousand, three hundred ninety-three.
Scientific notation
- Scientific notation: 3.1981796421393 × 1013
Factors of 31981796421393
Divisors of 31981796421393
- Number of divisors d(n): 216
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Complete list of divisors:
1 3 7 13 21 31 39 61 91 93 181 183 217 273 403 427 543 651 793 961 1209 1267 1281 1891 2353 2379 2821 2883 3721 3801 5551 5611 5673 6727 7059 8463 11041 11163 12493 13237 16471 16653 16833 20181 24583 26047 32761 33123 37479 39277 39711 48373 49413 58621 72943 73749 77287 78141 87451 98283 115351 117831 143533 145119 172081 173941 175863 218829 229327 231861 262353 338611 342271 346053 410347 425893 430599 510601 516243 521823 673501 687981 762073 807457 1004731 1015591 1015833 1026813 1217587 1231041 1277679 1499563 1531803 1998421 2020503 2261233 2286219 2395897 2422371 2981251 3014193 3046773 3575881 3652761 4449523 4498689 4714507 5334511 5995263 6783699 7109137 7187691 8755513 8943753 10496941 10610401 10727643 13202683 13348569 13988947 14143521 15828631 16003533 20878531 21327411 25031167 25979473 26266539 31146661 31483321 31490823 31831203 39608049 41966841 46486453 47485893 61288591 61951051 62635593 74272807 75093501 77938419 92418781 93439983 94449963 121903681 137935213 139459359 146149717 181856311 183865773 185853153 220383247 222818421 271420903 277256343 325405171 365711043 409283173 413805639 433657357 438449151 545568933 647234461 661149741 805363663 814262709 853325767 965546491 976215513 1227849519 1300972071 1584747853 1899946321 1920482581 1941703383 2416090989 2559977301 2864982211 2896639473 3779014111 4530641227 4754243559 5637545641 5699838963 5761447743 8414047993 8594946633 11093234971 11337042333 13443378067 13591923681 16912636923 24966273553 25242143979 26453098777 33279704913 40330134201 49127183443 58898335951 74898820659 79359296331 117149437441 147381550329 174763914871 176695007853 343890284101 351448312323 524291744613 820046062087 1031670852303 1522942686733 2460138186261 4568828060199 10660598807131 31981796421393
- Sum of all divisors σ(n): 55440450426816
- Sum of proper divisors (its aliquot sum) s(n): 23458654005423
- 31981796421393 is a deficient number, because the sum of its proper divisors (23458654005423) is less than itself. Its deficiency is 8523142415970
Bases of 31981796421393
- Binary: 1110100010110010101111001110101101111000100012
- Hexadecimal: 0x1D16579D6F11
- Base-36: BC48FUDJL
Squares and roots of 31981796421393
- 31981796421393 squared (319817964213932) is 1022835302339426101228060449
- 31981796421393 cubed (319817964213933) is 32712110412033484885268961830382480785457
-
The
square root of 31981796421393 is 5655245.0363704843 -
The
cube root of 31981796421393 is 31741.9998183407
Scales and comparisons
How big is 31981796421393?- 31,981,796,421,393 seconds is equal to 1,016,922 years, 10 weeks, 2 days, 19 hours, 16 minutes, 33 seconds.
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To count from 1 to 31,981,796,421,393 would take you about two million, five hundred forty-two thousand, three hundred five 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 31981796421393 cubic inches would be around 2645.2 feet tall.
Recreational maths with 31981796421393
- 31981796421393 backwards is 39312469718913
- The number of decimal digits it has is: 14
- The sum of 31981796421393's digits is 66
- More coming soon!
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