189831972

Names of 189831972

• Cardinal: 189831972 can be written as One hundred eighty-nine million, eight hundred thirty-one thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 1.89831972 × 10⁸

Factors of 189831972

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2087

Divisors of 189831972

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 11 12 22 23 31 33 44 46 62 66 69 92 93 124 132 138 186 253 276 341 372 506 682 713 759 1012 1023 1364 1426 1518 2017 2046 2139 2852 3036 4034 4092 4278 6051 7843 8068 8556 12102 15686 22187 23529 24204 31372 44374 46391 47058 62527 66561 88748 92782 94116 125054 133122 139173 185564 187581 250108 266244 278346 375162 510301 556692 687797 750324 1020602 1375594 1438121 1530903 2041204 2063391 2751188 2876242 3061806 4126782 4314363 5752484 6123612 8253564 8628726 15819331 17257452 31638662 47457993 63277324 94915986 189831972
• Sum of all divisors σ(n): 520740864
• Sum of proper divisors (its aliquot sum) s(n): 330908892
• 189831972 is an abundant number, because the sum of its proper divisors (330908892) is greater than itself. Its abundance is 141076920

Bases of 189831972

• Binary: 1011010100001001101100100100₂
• Hexadecimal: 0xB509B24
• Base-36: 350RAC

Squares and roots of 189831972

• 189831972 squared (189831972²) is 36036177593408784
• 189831972 cubed (189831972³) is 6840818655899003668842048
• The square root of 189831972 is 13777.9523877825
• The cube root of 189831972 is 574.7201884955

Scales and comparisons

• 189,831,972 seconds is equal to 6 years, 1 week, 6 days, 3 hours, 6 minutes, 12 seconds.
• To count from 1 to 189,831,972 would take you about nine 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 189831972 cubic inches would be around 47.9 feet tall.

Recreational maths with 189831972

• 189831972 backwards is 279138981
• The number of decimal digits it has is: 9
• The sum of 189831972's digits is 48
• More coming soon!