13491878589

Names of 13491878589

• Cardinal: 13491878589 can be written as Thirteen billion, four hundred ninety-one million, eight hundred seventy-eight thousand, five hundred eighty-nine.

Scientific notation

• Scientific notation: 1.3491878589 × 10¹⁰

Factors of 13491878589

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 98

Divisors of 13491878589

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 17 21 27 49 51 63 71 119 147 153 189 213 289 343 357 441 459 497 639 833 867 1029 1071 1207 1323 1491 1917 2023 2499 2601 3087 3213 3479 3621 4473 5041 5831 6069 7497 7803 8449 9261 10437 10863 13419 14161 15123 17493 18207 20519 22491 24353 25347 31311 32589 35287 42483 45369 52479 54621 59143 61557 73059 76041 85697 93933 99127 105861 127449 136107 143633 157437 177429 184671 219177 228123 247009 257091 297381 317583 382347 414001 430899 532287 554013 599879 657531 741027 771273 892143 952749 1005431 1242003 1292697 1456849 1596861 1729063 1799637 2223081 2313819 2676429 3016293 3726009 3878091 4199153 4370547 5187189 5398911 6669243 7038017 9048879 10197943 11178027 12597459 13111641 15561567 16196733 21114051 27146637 29394071 30593829 37792377 39334923 46684701 63342153 71385601 88182213 91781487 113377131 190026459 214156803 264546639 275344461 499699207 642470409 793639917 1499097621 1927411227 4497292863 13491878589
• Sum of all divisors σ(n): 25115056000
• Sum of proper divisors (its aliquot sum) s(n): 11623177411
• 13491878589 is a deficient number, because the sum of its proper divisors (11623177411) is less than itself. Its deficiency is 1868701178

Bases of 13491878589

• Binary: 1100100100001011011011101010111101₂
• Hexadecimal: 0x3242DBABD
• Base-36: 674PS59

Squares and roots of 13491878589

• 13491878589 squared (13491878589²) is 182030787860316630921
• 13491878589 cubed (13491878589³) is 2455937289271407075483655250469
• The square root of 13491878589 is 116154.5461400457
• The cube root of 13491878589 is 2380.6240030475

Scales and comparisons

• 13,491,878,589 seconds is equal to 429 years, 3 minutes, 9 seconds.
• To count from 1 to 13,491,878,589 would take you about eight hundred fifty-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 13491878589 cubic inches would be around 198.4 feet tall.

Recreational maths with 13491878589

• 13491878589 backwards is 98587819431
• 13491878589 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13491878589's digits is 63
• More coming soon!