1931323989

Names of 1931323989

• Cardinal: 1931323989 can be written as One billion, nine hundred thirty-one million, three hundred twenty-three thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 1.931323989 × 10⁹

Factors of 1931323989

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1250

Divisors of 1931323989

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 19 21 57 61 73 133 183 219 399 427 511 1087 1159 1281 1387 1533 3261 3477 4161 4453 7609 8113 9709 13359 20653 22827 24339 29127 31171 61959 66307 79351 84607 93513 144571 198921 238053 253821 433713 464149 555457 592249 1259833 1392447 1507669 1666371 1776747 3779499 4523007 4840411 8818831 10553683 14521233 26456493 31661049 33882877 91967809 101648631 275903427 643774663 1931323989
• Sum of all divisors σ(n): 3194716160
• Sum of proper divisors (its aliquot sum) s(n): 1263392171
• 1931323989 is a deficient number, because the sum of its proper divisors (1263392171) is less than itself. Its deficiency is 667931818

Bases of 1931323989

• Binary: 1110011000111011010101001010101₂
• Hexadecimal: 0x731DAA55
• Base-36: VXUZ4L

Squares and roots of 1931323989

• 1931323989 squared (1931323989²) is 3730012350486872121
• 1931323989 cubed (1931323989³) is 7203862331761571956862610669
• The square root of 1931323989 is 43946.8313874845
• The cube root of 1931323989 is 1245.3317049745

Scales and comparisons

• 1,931,323,989 seconds is equal to 61 years, 21 weeks, 2 days, 6 hours, 53 minutes, 9 seconds.
• To count from 1 to 1,931,323,989 would take you about one hundred twenty-two 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 1931323989 cubic inches would be around 103.8 feet tall.

Recreational maths with 1931323989

• 1931323989 backwards is 9893231391
• The number of decimal digits it has is: 10
• The sum of 1931323989's digits is 48
• More coming soon!