31890670102809

Names of 31890670102809

• Cardinal: 31890670102809 can be written as Thirty-one trillion, eight hundred ninety billion, six hundred seventy million, one hundred two thousand, eight hundred nine.

Scientific notation

• Scientific notation: 3.1890670102809 × 10¹³

Factors of 31890670102809

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 143

Divisors of 31890670102809

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 9 21 31 43 59 63 93 129 177 217 279 301 387 413 531 651 903 1239 1333 1829 1849 1953 2537 2709 3481 3717 3999 5487 5547 7611 9331 10443 11997 12803 12943 16461 16641 17759 22833 24367 27993 31329 38409 38829 53277 57319 73101 78647 79507 83979 107911 109091 115227 116487 149683 159831 171957 205379 219303 235941 238521 323733 327273 401233 449049 515871 550529 556549 616137 707823 715563 755377 763637 971199 981819 1047781 1203699 1347147 1437653 1651587 1669647 1848411 2266131 2290911 2464717 3143343 3381821 3611097 4312959 4640173 4690913 4954761 5008941 6366749 6436369 6798393 6872733 7394151 8831297 9430029 10145463 12938877 13920519 14072739 17253019 19100247 19309107 22182453 23672747 26493891 30436389 32481211 32836391 41761557 42218217 44567243 45054583 51759057 57300741 57927321 61819079 71018241 79481673 97443633 98509173 133701729 135163749 145418303 155277171 185457237 199527439 213054723 273770207 276763867 292330899 295527519 379745771 401105187 405491247 436254909 556371711 598582317 821310621 830291601 1017928121 1139237313 1308764727 1396692073 1795746951 1916391449 1937347069 2463931863 2490874803 2658220397 3053784363 3417711939 4190076219 5749174347 5812041207 7974661191 8579679877 9161353089 11772118901 12570228657 16329068153 17247523041 17436123621 23923983573 25739039631 35316356703 48987204459 60057759139 77217118893 82404832307 105949070109 114303477071 146961613377 180173277417 247214496921 342910431213 506201112743 540519832251 741643490763 1028731293639 1518603338229 3543407789201 4555810014687 10630223367603 31890670102809
• Sum of all divisors σ(n): 56596260864000
• Sum of proper divisors (its aliquot sum) s(n): 24705590761191
• 31890670102809 is a deficient number, because the sum of its proper divisors (24705590761191) is less than itself. Its deficiency is 7185079341618

Bases of 31890670102809

• Binary: 111010000000100100000000100000010100100011001₂
• Hexadecimal: 0x1D0120102919
• Base-36: BAYDDL449

Squares and roots of 31890670102809

• 31890670102809 squared (31890670102809²) is 1017014839606195794629690481
• 31890670102809 cubed (31890670102809³) is 32433284739542398686996614781796118661129
• The square root of 31890670102809 is 5647182.4924300967
• The cube root of 31890670102809 is 31711.8234522335

Scales and comparisons

• 31,890,670,102,809 seconds is equal to 1,014,024 years, 34 weeks, 4 days, 1 hour, 9 seconds.
• To count from 1 to 31,890,670,102,809 would take you about two million, five hundred thirty-five thousand and sixty-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 31890670102809 cubic inches would be around 2642.7 feet tall.

Recreational maths with 31890670102809

• 31890670102809 backwards is 90820107609813
• The number of decimal digits it has is: 14
• The sum of 31890670102809's digits is 54
• More coming soon!