31481126181909

Names of 31481126181909

• Cardinal: 31481126181909 can be written as Thirty-one trillion, four hundred eighty-one billion, one hundred twenty-six million, one hundred eighty-one thousand, nine hundred nine.

Scientific notation

• Scientific notation: 3.1481126181909 × 10¹³

Factors of 31481126181909

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 831

Divisors of 31481126181909

• Number of divisors d(n): 180
• Complete list of divisors:
  1 3 9 17 27 51 61 81 97 153 183 291 459 549 653 873 1037 1377 1647 1649 1959 2619 3111 3721 4941 4947 5877 5917 7857 9333 9409 11101 11163 14841 17631 17751 27999 28227 33303 33489 39833 44523 52893 53253 63257 63341 83997 84681 99909 100467 100589 119499 133569 159759 159953 189771 190023 254043 299727 301401 301767 358497 360937 479277 479859 569313 570069 573949 677161 762129 899181 905301 1075491 1076797 1082811 1439577 1707939 1710207 1721847 2031483 2429813 2715903 3226473 3230391 3248433 3863801 4318731 5123817 5130621 5165541 6094449 6135929 6144077 7289439 8147709 9691173 9745299 9757133 11591403 12956193 15496623 18283347 18407787 18432231 21868317 29073519 29235897 29271399 34774209 35010889 41306821 46489869 54850041 55223361 55296693 65604951 65684617 87220557 87814197 104322627 104449309 105032667 123920463 165670083 165890079 196814853 197053851 235691861 263442591 312967881 313347927 315098001 371761389 374788697 497010249 497670237 591161553 595185113 707075583 790327773 940043781 945294003 1115284167 1124366091 1773484659 1785555339 2121226749 2820131343 2835882009 3345852501 3373098273 4006761637 5320453977 5356666017 6363680247 6371407849 8460394029 10119294819 12020284911 16069998051 19091040741 19114223547 22862110517 30357884457 36060854733 48209994153 57342670641 68586331551 108182564199 172028011923 205758994653 324547692597 388655878789 516084035769 617276983959 1165967636367 1851830951877 3497902909101 10493708727303 31481126181909
• Sum of all divisors σ(n): 51228950516172
• Sum of proper divisors (its aliquot sum) s(n): 19747824334263
• 31481126181909 is a deficient number, because the sum of its proper divisors (19747824334263) is less than itself. Its deficiency is 11733301847646

Bases of 31481126181909

• Binary: 111001010000111000101010101111101110000010101₂
• Hexadecimal: 0x1CA1C557DC15
• Base-36: B5Q89PKB9

Squares and roots of 31481126181909

• 31481126181909 squared (31481126181909²) is 991061305681276332158884281
• 31481126181909 cubed (31481126181909³) is 31199726018159747108686984376270886672429
• The square root of 31481126181909 is 5610804.4148686025
• The cube root of 31481126181909 is 31575.4891184561

Scales and comparisons

• 31,481,126,181,909 seconds is equal to 1,001,002 years, 22 weeks, 4 days, 8 hours, 45 minutes, 9 seconds.
• To count from 1 to 31,481,126,181,909 would take you about two million, five hundred two thousand, five hundred six 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 31481126181909 cubic inches would be around 2631.3 feet tall.

Recreational maths with 31481126181909

• 31481126181909 backwards is 90918162118413
• The number of decimal digits it has is: 14
• The sum of 31481126181909's digits is 54
• More coming soon!