389871830384225

Names of 389871830384225

• Cardinal: 389871830384225 can be written as Three hundred eighty-nine trillion, eight hundred seventy-one billion, eight hundred thirty million, three hundred eighty-four thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 3.89871830384225 × 10¹⁴

Factors of 389871830384225

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 18721336422

Divisors of 389871830384225

• Number of divisors d(n): 36
• Complete list of divisors:
  1 5 7 17 25 35 49 85 119 175 245 425 595 833 1225 2975 4165 20825 18721336393 93606681965 131049354751 318262718681 468033409825 655246773755 917345483257 1591313593405 2227839030767 3276233868775 4586727416285 7956567967025 11139195153835 15594873215369 22933637081425 55695975769175 77974366076845 389871830384225
• Sum of all divisors σ(n): 595450825347564
• Sum of proper divisors (its aliquot sum) s(n): 205578994963339
• 389871830384225 is a deficient number, because the sum of its proper divisors (205578994963339) is less than itself. Its deficiency is 184292835420886

Bases of 389871830384225

• Binary: 1011000101001011000011011111101010011111001100001₂
• Hexadecimal: 0x162961BF53E61
• Base-36: 3U74N9M9GH

Squares and roots of 389871830384225

• 389871830384225 squared (389871830384225²) is 152000044127145907911128850625
• 389871830384225 cubed (389871830384225³) is 59260535422333344749075918826118876381390625
• The square root of 389871830384225 is 19745172.3310845023
• The cube root of 389871830384225 is 73053.4312259637

Scales and comparisons

• 389,871,830,384,225 seconds is equal to 12,396,718 years, 13 weeks, 1 day, 6 hours, 17 minutes, 5 seconds.
• To count from 1 to 389,871,830,384,225 would take you about thirty million, nine hundred ninety-one thousand, seven hundred ninety-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 389871830384225 cubic inches would be around 6087.8 feet tall.

Recreational maths with 389871830384225

• 389871830384225 backwards is 522483038178983
• The number of decimal digits it has is: 15
• The sum of 389871830384225's digits is 71
• More coming soon!