18180364015989

Names of 18180364015989

• Cardinal: 18180364015989 can be written as Eighteen trillion, one hundred eighty billion, three hundred sixty-four million, fifteen thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 1.8180364015989 × 10¹³

Factors of 18180364015989

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 557

Divisors of 18180364015989

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 21 27 49 63 81 147 189 243 343 441 547 567 729 1029 1323 1641 1701 2187 3087 3829 3969 4923 5103 6561 9261 11487 11907 14769 15309 19683 26803 27783 34461 35721 44307 45927 59049 80409 83349 103383 107163 132921 137781 177147 187621 241227 250047 299209 310149 321489 398763 413343 562863 723681 750141 897627 930447 964467 1196289 1240029 1688589 2094463 2171043 2250423 2692881 2791341 2893401 3588867 5065767 6283389 6513129 6751269 8078643 8374023 8680203 10766601 14661241 15197301 18850167 19539387 20253807 24235929 25122069 32299803 43983723 45591903 56550501 58618161 60761421 72707787 75366207 96899409 102628687 131951169 136775709 169651503 175854483 218123361 226098621 307886061 395853507 410327127 508954509 527563449 654370083 678295863 923658183 1187560521 1230981381 1526863527 1582690347 1963110249 2770974549 3562681563 3692944143 4580590581 4748071041 5889330747 8312923647 10688044689 11078832429 13741771743 17667992241 24938770941 32064134067 33236497287 41225315229 53003976723 74816312823 96192402201 123675945687 224448938469 288577206603 371027837061 673346815407 865731619809 2020040446221 2597194859427 6060121338663 18180364015989
• Sum of all divisors σ(n): 31860572016000
• Sum of proper divisors (its aliquot sum) s(n): 13680208000011
• 18180364015989 is a deficient number, because the sum of its proper divisors (13680208000011) is less than itself. Its deficiency is 4500156015978

Bases of 18180364015989

• Binary: 100001000100011110010001000111001100101110101₂
• Hexadecimal: 0x1088F2239975
• Base-36: 6FZXZBYB9

Squares and roots of 18180364015989

• 18180364015989 squared (18180364015989²) is 330525635753867680247648121
• 18180364015989 cubed (18180364015989³) is 6009076374621503224806443323175689806669
• The square root of 18180364015989 is 4263843.8076445765
• The cube root of 18180364015989 is 26294.6578980415

Scales and comparisons

• 18,180,364,015,989 seconds is equal to 578,079 years, 17 weeks, 4 days, 19 hours, 33 minutes, 9 seconds.
• To count from 1 to 18,180,364,015,989 would take you about one million, four hundred forty-five thousand, one hundred ninety-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 18180364015989 cubic inches would be around 2191.2 feet tall.

Recreational maths with 18180364015989

• 18180364015989 backwards is 98951046308181
• 18180364015989 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18180364015989's digits is 63
• More coming soon!