388225543401787290142

Names of 388225543401787290142

• Cardinal: 388225543401787290142 can be written as Three hundred eighty-eight quintillion, two hundred twenty-five quadrillion, five hundred forty-three trillion, four hundred one billion, seven hundred eighty-seven million, two hundred ninety thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 3.88225543401787290142 × 10²⁰

Factors of 388225543401787290142

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 1227502163

Divisors of 388225543401787290142

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 857 1714 226210703 452421406 1001290601 2002581202 193862572471 387725144942 858106045057 1716212090114 226502650759502503 453005301519005006 194112771700893645071 388225543401787290142
• Sum of all divisors σ(n): 583017826214547801792
• Sum of proper divisors (its aliquot sum) s(n): 194792282812760511650
• 388225543401787290142 is a deficient number, because the sum of its proper divisors (194792282812760511650) is less than itself. Its deficiency is 193433260589026778492

Bases of 388225543401787290142

• Binary: 101010000101110110110001100101101000100011100100001101111001000011110₂
• Hexadecimal: 0x150BB632D11C86F21E
• Base-36: 29XK05J3IVGTUM

Squares and roots of 388225543401787290142

• 388225543401787290142 squared (388225543401787290142²) is 150719072549613026933186020731651690380164
• 388225543401787290142 cubed (388225543401787290142³) is 58512993841586919553434284560781606944873610174711703349543288
• The square root of 388225543401787290142 is 19703439887.5370817861
• The cube root of 388225543401787290142 is 7295046.0127215111

Scales and comparisons

• 388,225,543,401,787,290,142 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 388,225,543,401,787,290,142 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 388225543401787290142 cubic inches would be around 607920.5 feet tall.

Recreational maths with 388225543401787290142

• 388225543401787290142 backwards is 241092787104345522883
• The number of decimal digits it has is: 21
• The sum of 388225543401787290142's digits is 85
• More coming soon!