18042186155

Names of 18042186155

• Cardinal: 18042186155 can be written as Eighteen billion, forty-two million, one hundred eighty-six thousand, one hundred fifty-five.

Scientific notation

• Scientific notation: 1.8042186155 × 10¹⁰

Factors of 18042186155

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 766

Divisors of 18042186155

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 7 19 31 35 73 95 133 155 217 361 365 511 589 631 665 1085 1387 1805 2263 2527 2555 2945 3155 4123 4417 6935 9709 11191 11315 11989 12635 15841 19561 20615 22085 26353 42997 46063 48545 55955 59945 78337 79205 83923 97805 131765 136927 184471 214985 227791 230315 300979 322441 371659 391685 419615 684635 816943 875197 922355 1138955 1427953 1504895 1594537 1612205 1858295 2601613 4084715 4375985 5718601 6126379 7061521 7139765 7972685 9995671 13008065 16628743 27131107 28593005 30631895 35307605 49430647 49978355 83143715 116401201 135655535 189917749 247153235 515491033 582006005 949588745 2577455165 3608437231 18042186155
• Sum of all divisors σ(n): 27369381888
• Sum of proper divisors (its aliquot sum) s(n): 9327195733
• 18042186155 is a deficient number, because the sum of its proper divisors (9327195733) is less than itself. Its deficiency is 8714990422

Bases of 18042186155

• Binary: 10000110011011001011110100110101011₂
• Hexadecimal: 0x43365E9AB
• Base-36: 8ADUNXN

Squares and roots of 18042186155

• 18042186155 squared (18042186155²) is 325520481251673684025
• 18042186155 cubed (18042186155³) is 5873101120007884012493699673875
• The square root of 18042186155 is 134321.2051576369
• The cube root of 18042186155 is 2622.7871857551

Scales and comparisons

• 18,042,186,155 seconds is equal to 573 years, 35 weeks, 4 days, 14 hours, 22 minutes, 35 seconds.
• To count from 1 to 18,042,186,155 would take you about one thousand, one hundred forty-seven 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 18042186155 cubic inches would be around 218.6 feet tall.

Recreational maths with 18042186155

• 18042186155 backwards is 55168124081
• The number of decimal digits it has is: 11
• The sum of 18042186155's digits is 41
• More coming soon!