1389109856730

Names of 1389109856730

• Cardinal: 1389109856730 can be written as One trillion, three hundred eighty-nine billion, one hundred nine million, eight hundred fifty-six thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 1.38910985673 × 10¹²

Factors of 1389109856730

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 170862502

Divisors of 1389109856730

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 5 6 10 15 30 271 542 813 1355 1626 2710 4065 8130 170862221 341724442 512586663 854311105 1025173326 1708622210 2562933315 5125866630 46303661891 92607323782 138910985673 231518309455 277821971346 463036618910 694554928365 1389109856730
• Sum of all divisors σ(n): 3346165755648
• Sum of proper divisors (its aliquot sum) s(n): 1957055898918
• 1389109856730 is an abundant number, because the sum of its proper divisors (1957055898918) is greater than itself. Its abundance is 567946042188

Bases of 1389109856730

• Binary: 10100001101101101011001100100100111011010₂
• Hexadecimal: 0x1436D6649DA
• Base-36: HQ5C5596

Squares and roots of 1389109856730

• 1389109856730 squared (1389109856730²) is 1929626194064441126292900
• 1389109856730 cubed (1389109856730³) is 2680462765979310989332250155016217000
• The square root of 1389109856730 is 1178605.0469644189
• The cube root of 1389109856730 is 11157.8074959417

Scales and comparisons

• 1,389,109,856,730 seconds is equal to 44,169 years, 20 weeks, 4 days, 9 hours, 5 minutes, 30 seconds.
• To count from 1 to 1,389,109,856,730 would take you about one hundred ten thousand, four hundred twenty-three 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 1389109856730 cubic inches would be around 929.8 feet tall.

Recreational maths with 1389109856730

• 1389109856730 backwards is 0376589019831
• The number of decimal digits it has is: 13
• The sum of 1389109856730's digits is 60
• More coming soon!