18172725142

Names of 18172725142

• Cardinal: 18172725142 can be written as Eighteen billion, one hundred seventy-two million, seven hundred twenty-five thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 1.8172725142 × 10¹⁰

Factors of 18172725142

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1705

Divisors of 18172725142

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 11 13 19 22 26 38 143 169 173 209 247 286 338 346 418 494 1487 1859 1903 2249 2717 2974 3211 3287 3718 3806 4498 5434 6422 6574 16357 19331 24739 28253 29237 32714 35321 36157 38662 42731 49478 56506 58474 70642 72314 85462 212641 251303 257251 310783 321607 367289 425282 470041 502606 514502 555503 621566 643214 734578 940082 1111006 2764333 2829761 3344263 4040179 4774757 4887769 5528666 5659522 6110533 6688526 8080358 9549514 9775538 12221066 36786893 43475419 52522327 53765459 63540997 73573786 86950838 105044654 107530918 127081994 478229609 698950967 826032961 956459218 1397901934 1652065922 9086362571 18172725142
• Sum of all divisors σ(n): 34114245120
• Sum of proper divisors (its aliquot sum) s(n): 15941519978
• 18172725142 is a deficient number, because the sum of its proper divisors (15941519978) is less than itself. Its deficiency is 2231205164

Bases of 18172725142

• Binary: 10000111011001011011100011110010110₂
• Hexadecimal: 0x43B2DC796
• Base-36: 8CJKKGM

Squares and roots of 18172725142

• 18172725142 squared (18172725142²) is 330247939086678920164
• 18172725142 cubed (18172725142³) is 6001505025734174529745733563288
• The square root of 18172725142 is 134806.2503817983
• The cube root of 18172725142 is 2629.0974625313

Scales and comparisons

• 18,172,725,142 seconds is equal to 577 years, 43 weeks, 3 days, 11 hours, 12 minutes, 22 seconds.
• To count from 1 to 18,172,725,142 would take you about one thousand, one hundred fifty-five 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 18172725142 cubic inches would be around 219.1 feet tall.

Recreational maths with 18172725142

• 18172725142 backwards is 24152727181
• The number of decimal digits it has is: 11
• The sum of 18172725142's digits is 40
• More coming soon!