18410448131991

Names of 18410448131991

• Cardinal: 18410448131991 can be written as Eighteen trillion, four hundred ten billion, four hundred forty-eight million, one hundred thirty-one thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 1.8410448131991 × 10¹³

Factors of 18410448131991

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1263

Divisors of 18410448131991

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 27 37 81 111 243 333 999 1223 1369 2997 3669 4107 8991 11007 12321 33021 36963 45251 50653 99063 110889 135753 151959 297189 332667 407259 455877 1221777 1367631 1495729 1674287 3665331 4102893 4487187 5022861 10995993 12308679 13461561 15068583 40384683 45205749 55341973 61948619 121154049 135617247 166025919 185845857 363462147 406851741 498077757 557537571 1494233271 1672612713 2047653001 4482699813 5017838139 6142959003 13448099439 15053514417 18428877009 55286631027 75763161037 165859893081 227289483111 497579679243 681868449333 2045605347999 6136816043997 18410448131991
• Sum of all divisors σ(n): 28367019837520
• Sum of proper divisors (its aliquot sum) s(n): 9956571705529
• 18410448131991 is a deficient number, because the sum of its proper divisors (9956571705529) is less than itself. Its deficiency is 8453876426462

Bases of 18410448131991

• Binary: 100001011111010000100001110001001011110010111₂
• Hexadecimal: 0x10BE84389797
• Base-36: 6IXN5H2FR

Squares and roots of 18410448131991

• 18410448131991 squared (18410448131991²) is 338944600420730901357624081
• 18410448131991 cubed (18410448131991³) is 6240121985664281135570359947892448075271
• The square root of 18410448131991 is 4290739.8117330535
• The cube root of 18410448131991 is 26405.1184462697

Scales and comparisons

• 18,410,448,131,991 seconds is equal to 585,395 years, 15 weeks, 5 days, 9 hours, 59 minutes, 51 seconds.
• To count from 1 to 18,410,448,131,991 would take you about one million, four hundred sixty-three thousand, four hundred eighty-eight 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 18410448131991 cubic inches would be around 2200.4 feet tall.

Recreational maths with 18410448131991

• 18410448131991 backwards is 19913184401481
• The number of decimal digits it has is: 14
• The sum of 18410448131991's digits is 54
• More coming soon!