18165388980427

Names of 18165388980427

• Cardinal: 18165388980427 can be written as Eighteen trillion, one hundred sixty-five billion, three hundred eighty-eight million, nine hundred eighty thousand, four hundred twenty-seven.

Scientific notation

• Scientific notation: 1.8165388980427 × 10¹³

Factors of 18165388980427

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 9140

Divisors of 18165388980427

• Number of divisors d(n): 64
• Complete list of divisors:
  1 13 19 29 127 247 377 551 1651 2413 3683 4219 4733 7163 31369 47879 54847 61529 69977 80161 89927 122351 137257 535813 601091 909701 1042093 1169051 1590563 1784341 2324669 2607883 6965569 7814183 10180447 11420729 15538577 17431639 19968527 30220697 33902479 132345811 148469477 202001501 226611307 259590851 295232963 331201141 379402013 579087283 2536002929 3838028519 4305614833 4932226169 7528134679 11002658377 32968038077 48184055651 73544084941 143034558901 626392723463 956073104233 1397337613879 18165388980427
• Sum of all divisors σ(n): 21479786496000
• Sum of proper divisors (its aliquot sum) s(n): 3314397515573
• 18165388980427 is a deficient number, because the sum of its proper divisors (3314397515573) is less than itself. Its deficiency is 14850991464854

Bases of 18165388980427

• Binary: 100001000010101110101100011101011000011001011₂
• Hexadecimal: 0x1085758EB0CB
• Base-36: 6FT2BKYX7

Squares and roots of 18165388980427

• 18165388980427 squared (18165388980427²) is 329981356810218682589102329
• 18165388980427 cubed (18165388980427³) is 5994239702746696447452160692774481114483
• The square root of 18165388980427 is 4262087.3970892479
• The cube root of 18165388980427 is 26287.4363411347

Scales and comparisons

• 18,165,388,980,427 seconds is equal to 577,603 years, 9 weeks, 2 days, 15 hours, 27 minutes, 7 seconds.
• To count from 1 to 18,165,388,980,427 would take you about one million, four hundred forty-four thousand and 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 18165388980427 cubic inches would be around 2190.6 feet tall.

Recreational maths with 18165388980427

• 18165388980427 backwards is 72408988356181
• The number of decimal digits it has is: 14
• The sum of 18165388980427's digits is 70
• More coming soon!