20831985613985
20,831,985,613,985 is an odd composite number composed of seven prime numbers multiplied together.
What does the number 20831985613985 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 288 divisors.
20831985613985 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 20831985613985:
5 × 7 × 132 × 312 × 61 × 73 × 823
(5 × 7 × 13 × 13 × 31 × 31 × 61 × 73 × 823)See below for interesting mathematical facts about the number 20831985613985 from the Numbermatics database.
Names of 20831985613985
- Cardinal: 20831985613985 can be written as Twenty trillion, eight hundred thirty-one billion, nine hundred eighty-five million, six hundred thirteen thousand, nine hundred eighty-five.
Scientific notation
- Scientific notation: 2.0831985613985 × 1013
Factors of 20831985613985
Divisors of 20831985613985
- Number of divisors d(n): 288
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Complete list of divisors:
1 5 7 13 31 35 61 65 73 91 155 169 217 305 365 403 427 455 511 793 823 845 949 961 1085 1183 1891 2015 2135 2263 2555 2821 3965 4115 4453 4745 4805 5239 5551 5761 5915 6643 6727 9455 10309 10699 11315 12337 12493 13237 14105 15841 22265 24583 25513 26195 27755 28805 29419 31171 33215 33635 36673 50203 51545 53495 57889 58621 60079 61685 62465 66185 70153 72163 74893 79205 86359 87451 122915 127565 138043 139087 147095 155855 162409 172081 178591 183365 205933 251015 289445 293105 300395 319579 331669 350765 351421 360815 374465 382447 405223 410347 420553 431795 437255 491071 652639 690215 695435 752557 762073 781027 790903 812045 860405 892955 911989 966301 973609 1029665 1136863 1556293 1597895 1658345 1757105 1794559 1862449 1912235 2026115 2051735 2102765 2237053 2321683 2455355 2677129 3263195 3664819 3762785 3810365 3905135 3954515 4279333 4311697 4559945 4568473 4831505 4868045 5267899 5334511 5467189 5536321 5684315 6383923 7781465 8484307 8972795 9312245 9906949 10153351 10281739 10894051 11185265 11608415 11855857 12561913 13037143 13385645 18324095 20231809 21396665 21558485 22842365 23329267 24211837 25653733 26339495 26672555 27335945 27681605 29955331 30181879 31919615 42421535 47642647 48245083 49534745 50766755 51408695 54470255 55631329 57735919 59279285 59390149 62809565 65185715 69348643 71073457 71972173 82990999 101159045 113609389 116646335 121059185 128268665 133662607 141622663 149776655 150909395 163304869 169482859 238213235 241225415 263013517 278156645 288679595 296950745 314753881 333498529 337715581 346743215 355367285 359860865 389419303 404151433 414954995 568046945 619354411 627186079 668313035 708113315 723207277 750566947 795265723 816524345 847414295 935638249 1315067585 1476922057 1573769405 1667492645 1688577905 1841094619 1947096515 2020757165 2203277167 3096772055 3135930395 3521891059 3616036385 3752834735 3976328615 4335480877 4390302553 4678191245 5062450939 5253968629 7384610285 8153419027 9205473095 9757370311 10338454399 11016385835 17609455295 19199986741 21677404385 21951512765 24653237413 25312254695 26269843145 40767095135 45784583767 48786851555 51692271995 57073933189 68301592177 95999933705 123266187065 134399907187 228922918835 285369665945 320492086369 341507960885 595199588971 671999535935 1602460431845 2975997944855 4166397122797 20831985613985
- Sum of all divisors σ(n): 32975561286144
- Sum of proper divisors (its aliquot sum) s(n): 12143575672159
- 20831985613985 is a deficient number, because the sum of its proper divisors (12143575672159) is less than itself. Its deficiency is 8688409941826
Bases of 20831985613985
- Binary: 1001011110010010100110001101000111100101000012
- Hexadecimal: 0x12F2531A3CA1
- Base-36: 7DU2YD9R5
Squares and roots of 20831985613985
- 20831985613985 squared (208319856139852) is 433971624621277997427580225
- 20831985613985 cubed (208319856139853) is 9040490640988161866336761084069469446625
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The
square root of 20831985613985 is 4564207.0082310025 -
The
cube root of 20831985613985 is 27515.4670518281
Scales and comparisons
How big is 20831985613985?- 20,831,985,613,985 seconds is equal to 662,392 years, 36 weeks, 4 days, 14 hours, 33 minutes, 5 seconds.
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To count from 1 to 20,831,985,613,985 would take you about one million, six hundred fifty-five thousand, nine hundred eighty-one 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 20831985613985 cubic inches would be around 2293 feet tall.
Recreational maths with 20831985613985
- 20831985613985 backwards is 58931658913802
- The number of decimal digits it has is: 14
- The sum of 20831985613985's digits is 68
- More coming soon!
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The information we have on file for 20831985613985 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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