3992121875

Names of 3992121875

• Cardinal: 3992121875 can be written as Three billion, nine hundred ninety-two million, one hundred twenty-one thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 3.992121875 × 10⁹

Factors of 3992121875

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 72

Divisors of 3992121875

• Number of divisors d(n): 108
• Complete list of divisors:
  1 5 7 25 29 31 35 49 125 145 155 175 203 217 245 625 725 775 841 875 899 1015 1085 1225 1421 1519 3125 3625 3875 4205 4375 4495 5075 5425 5887 6125 6293 7105 7595 18125 19375 21025 21875 22475 25375 26071 27125 29435 30625 31465 35525 37975 41209 44051 90625 96875 105125 112375 126875 130355 135625 147175 153125 157325 177625 182497 189875 206045 220255 525625 561875 634375 651775 678125 735875 786625 888125 912485 949375 1030225 1101275 1277479 2628125 2809375 3258875 3679375 3933125 4440625 4562425 4746875 5151125 5506375 6387395 16294375 18396875 19665625 22812125 25755625 27531875 31936975 81471875 114060625 128778125 137659375 159684875 570303125 798424375 3992121875
• Sum of all divisors σ(n): 6205477824
• Sum of proper divisors (its aliquot sum) s(n): 2213355949
• 3992121875 is a deficient number, because the sum of its proper divisors (2213355949) is less than itself. Its deficiency is 1778765926

Bases of 3992121875

• Binary: 11101101111100101111001000010011₂
• Hexadecimal: 0xEDF2F213
• Base-36: 1U0T0YB

Squares and roots of 3992121875

• 3992121875 squared (3992121875²) is 15937037064853515625
• 3992121875 cubed (3992121875³) is 63622594289287513397216796875
• The square root of 3992121875 is 63183.2404597929
• The cube root of 3992121875 is 1586.3582217133

Scales and comparisons

• 3,992,121,875 seconds is equal to 126 years, 48 weeks, 5 days, 2 hours, 44 minutes, 35 seconds.
• To count from 1 to 3,992,121,875 would take you about two hundred fifty-three 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 3992121875 cubic inches would be around 132.2 feet tall.

Recreational maths with 3992121875

• 3992121875 backwards is 5781212993
• The number of decimal digits it has is: 10
• The sum of 3992121875's digits is 47
• More coming soon!