231521168420157

Names of 231521168420157

• Cardinal: 231521168420157 can be written as Two hundred thirty-one trillion, five hundred twenty-one billion, one hundred sixty-eight million, four hundred twenty thousand, one hundred fifty-seven.

Scientific notation

• Scientific notation: 2.31521168420157 × 10¹⁴

Factors of 231521168420157

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 713

Divisors of 231521168420157

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 7 11 21 31 33 49 77 93 121 147 217 231 341 363 539 651 661 847 961 1023 1519 1617 1983 2387 2541 2883 3751 4557 4627 5929 6727 7161 7271 10571 11253 13881 16709 17787 20181 20491 21813 26257 29791 31713 32389 47089 50127 50897 61473 73997 78771 79981 89373 97167 116281 141267 143437 152691 183799 208537 221991 225401 239943 327701 348843 356279 430311 436921 517979 551397 559867 625611 635221 676203 813967 983103 1004059 1068837 1310763 1459759 1553937 1577807 1679601 1905663 2293907 2441901 2479411 3012177 3058447 3604711 3919069 4379277 4446547 4733421 4806131 5697769 6881721 6987431 7438233 9175341 10814133 11044649 11757207 13339641 13544551 14418393 16057349 17093307 17355877 19691851 20962293 21409129 25232977 31125829 33133947 33642917 40633653 48172047 48912017 52067631 52867441 59075553 64227387 75698931 76861741 93377487 94811857 100928751 121491139 137842957 146736051 148990061 158602323 176630839 216610361 230585223 235500419 284435571 342384119 364473417 370072087 413528871 419881081 446970183 529892517 538032187 649831083 663682999 706501257 964900699 1027152357 1042930427 1110216261 1259643243 1516272527 1614096561 1638890671 1991048997 2382713971 2590504609 2894702097 2939167567 3128791281 3766225309 4548817581 4618691891 4916672013 7148141913 7300512989 7771513827 8817502701 10613907689 11298675927 11472234697 13016313511 13856075673 16678997797 20574172969 21901538967 31841723067 32330843237 34416704091 39048940533 50036993391 50805610801 61722518907 80305642879 91114194577 96992529711 116752984579 143179448621 152416832403 226315902659 240916928637 273342583731 350258953737 355639275607 429538345863 637799362039 678947707977 1002256140347 1066917826821 1574973934831 1913398086117 2489474929249 3006768421041 4724921804493 7015792982429 7468424787747 11024817543817 21047378947287 33074452631451 77173722806719 231521168420157
• Sum of all divisors σ(n): 408481112003328
• Sum of proper divisors (its aliquot sum) s(n): 176959943583171
• 231521168420157 is a deficient number, because the sum of its proper divisors (176959943583171) is less than itself. Its deficiency is 54561224836986

Bases of 231521168420157

• Binary: 110100101001000100111001000000000110110100111101₂
• Hexadecimal: 0xD29139006D3D
• Base-36: 2A2FCTZ7EL

Squares and roots of 231521168420157

• 231521168420157 squared (231521168420157²) is 53602051426634702943283904649
• 231521168420157 cubed (231521168420157³) is 12410009576011809856022684244478445557609893
• The square root of 231521168420157 is 15215819.6762500113
• The cube root of 231521168420157 is 61404.0337671949

Scales and comparisons

• 231,521,168,420,157 seconds is equal to 7,361,657 years, 5 days, 15 minutes, 57 seconds.
• To count from 1 to 231,521,168,420,157 would take you about eighteen million, four hundred four thousand, one hundred forty-two 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 231521168420157 cubic inches would be around 5117 feet tall.

Recreational maths with 231521168420157

• 231521168420157 backwards is 751024861125132
• The number of decimal digits it has is: 15
• The sum of 231521168420157's digits is 48
• More coming soon!