389940296741013830

Names of 389940296741013830

• Cardinal: 389940296741013830 can be written as Three hundred eighty-nine quadrillion, nine hundred forty trillion, two hundred ninety-six billion, seven hundred forty-one million, thirteen thousand, eight hundred thirty.

Scientific notation

• Scientific notation: 3.8994029674101383 × 10¹⁷

Factors of 389940296741013830

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1565208114764

Divisors of 389940296741013830

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 5 7 10 14 35 70 3559 7118 17795 24913 35590 49826 124565 249130 1565208111191 3130416222382 7826040555955 10956456778337 15652081111910 21912913556674 54782283891685 109564567783370 5570575667728769 11141151335457538 27852878338643845 38994029674101383 55705756677287690 77988059348202766 194970148370506915 389940296741013830
• Sum of all divisors σ(n): 802388286121466880
• Sum of proper divisors (its aliquot sum) s(n): 412447989380453050
• 389940296741013830 is an abundant number, because the sum of its proper divisors (412447989380453050) is greater than itself. Its abundance is 22507692639439220

Bases of 389940296741013830

• Binary: 10101101001010110001010001001000110110110111100100101000110₂
• Hexadecimal: 0x56958A246DBC946
• Base-36: 2YNIARBJHPAE

Squares and roots of 389940296741013830

• 389940296741013830 squared (389940296741013830²) is 152053435022469920969688856251268900
• 389940296741013830 cubed (389940296741013830³) is 59291761573152385884673651832067698520666609948887000
• The square root of 389940296741013830 is 624451997.1471096433
• The cube root of 389940296741013830 is 730577.0734026465

Scales and comparisons

• 389,940,296,741,013,830 seconds is equal to 12,398,895,271 years, 43 weeks, 1 day, 22 hours, 3 minutes, 50 seconds.
• To count from 1 to 389,940,296,741,013,830 would take you about thirty-seven billion, one hundred ninety-six million, six hundred eighty-five thousand, eight hundred fifteen 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 389940296741013830 cubic inches would be around 60881.4 feet tall.

Recreational maths with 389940296741013830

• 389940296741013830 backwards is 038310147692049983
• The number of decimal digits it has is: 18
• The sum of 389940296741013830's digits is 77
• More coming soon!