18989406126

Names of 18989406126

• Cardinal: 18989406126 can be written as Eighteen billion, nine hundred eighty-nine million, four hundred six thousand, one hundred twenty-six.

Scientific notation

• Scientific notation: 1.8989406126 × 10¹⁰

Factors of 18989406126

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3896

Divisors of 18989406126

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 9 18 27 54 181 362 543 631 1086 1262 1629 1893 3079 3258 3786 4887 5679 6158 9237 9774 11358 17037 18474 27711 34074 55422 83133 114211 166266 228422 342633 557299 685266 1027899 1114598 1671897 1942849 2055798 3083697 3343794 3885698 5015691 5828547 6167394 10031382 11657094 15047073 17485641 30094146 34971282 52456923 104913846 351655669 703311338 1054967007 2109934014 3164901021 6329802042 9494703063 18989406126
• Sum of all divisors σ(n): 42512870400
• Sum of proper divisors (its aliquot sum) s(n): 23523464274
• 18989406126 is an abundant number, because the sum of its proper divisors (23523464274) is greater than itself. Its abundance is 4534058148

Bases of 18989406126

• Binary: 10001101011110110110101011110101110₂
• Hexadecimal: 0x46BDB57AE
• Base-36: 8Q1SVJI

Squares and roots of 18989406126

• 18989406126 squared (18989406126²) is 360597545018166327876
• 18989406126 cubed (18989406126³) is 6847533230388528447855438968376
• The square root of 18989406126 is 137802.0541428901
• The cube root of 18989406126 is 2667.9056142231

Scales and comparisons

• 18,989,406,126 seconds is equal to 603 years, 41 weeks, 5 days, 19 hours, 2 minutes, 6 seconds.
• To count from 1 to 18,989,406,126 would take you about one thousand, two hundred 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 18989406126 cubic inches would be around 222.3 feet tall.

Recreational maths with 18989406126

• 18989406126 backwards is 62160498981
• 18989406126 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18989406126's digits is 54
• More coming soon!