1438729386680722031

Names of 1438729386680722031

• Cardinal: 1438729386680722031 can be written as One quintillion, four hundred thirty-eight quadrillion, seven hundred twenty-nine trillion, three hundred eighty-six billion, six hundred eighty million, seven hundred twenty-two thousand and thirty-one.

Scientific notation

• Scientific notation: 1.438729386680722031 × 10¹⁸

Factors of 1438729386680722031

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 23046

Divisors of 1438729386680722031

• Number of divisors d(n): 21
• Complete list of divisors:
  1 7 49 343 2401 16807 23039 117649 161273 1128911 7902377 55316639 387216473 530795521 2710515311 3715568647 26008980529 182062863703 1274440045921 8921080321447 62447562250129
• Sum of all divisors σ(n): 1438739797681699079
• Sum of proper divisors (its aliquot sum) s(n): 10411000977048
• 1438729386680722031 is a deficient number, because the sum of its proper divisors (10411000977048) is less than itself. Its deficiency is 1438718975679744983

Bases of 1438729386680722031

• Binary: 1001111110111011001001100000100100101000001010010001001101111₂
• Hexadecimal: 0x13F764C12505226F
• Base-36: AXIB03TDQYJZ

Squares and roots of 1438729386680722031

• 1438729386680722031 squared (1438729386680722031²) is 2069942248098686575857988415488764961
• 1438729386680722031 cubed (1438729386680722031³) is 2978086741071538295869049910561749144003827887933555791
• The square root of 1438729386680722031 is 1199470460.9454632297
• 1438729386680722031 is a perfect cube number. Its cube root is 1128911

Scales and comparisons

• 1,438,729,386,680,722,031 seconds is equal to 45,747,144,214 years, 13 weeks, 2 days, 20 hours, 7 minutes, 11 seconds.
• To count from 1 to 1,438,729,386,680,722,031 would take you about one hundred sixty billion, one hundred fifteen million, four thousand, seven hundred forty-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 1438729386680722031 cubic inches would be around 94075.9 feet tall.

Recreational maths with 1438729386680722031

• 1438729386680722031 backwards is 1302270866839278341
• The number of decimal digits it has is: 19
• The sum of 1438729386680722031's digits is 80
• More coming soon!