3889990447742

Names of 3889990447742

• Cardinal: 3889990447742 can be written as Three trillion, eight hundred eighty-nine billion, nine hundred ninety million, four hundred forty-seven thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 3.889990447742 × 10¹²

Factors of 3889990447742

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 988074

Divisors of 3889990447742

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 7 14 37 49 74 98 259 518 1087 1813 2174 3626 7609 15218 40219 53263 80438 106526 281533 563066 986941 1970731 1973882 3941462 6908587 13817174 36516817 48360109 73033634 96720218 255617719 511235438 1072804867 1789324033 2145609734 3578648066 7509634069 15019268138 39693780079 52567438483 79387560158 105134876966 277856460553 555712921106 1944995223871 3889990447742
• Sum of all divisors σ(n): 6977506238208
• Sum of proper divisors (its aliquot sum) s(n): 3087515790466
• 3889990447742 is a deficient number, because the sum of its proper divisors (3087515790466) is less than itself. Its deficiency is 802474657276

Bases of 3889990447742

• Binary: 111000100110110101011111111011001001111110₂
• Hexadecimal: 0x389B57FB27E
• Base-36: 1DN1BVJB2

Squares and roots of 3889990447742

• 3889990447742 squared (3889990447742²) is 15132025683524005632898564
• 3889990447742 cubed (3889990447742³) is 58863435363894990264324415059628842488
• The square root of 3889990447742 is 1972305.8707365853
• The cube root of 3889990447742 is 15727.1312659031

Scales and comparisons

• 3,889,990,447,742 seconds is equal to 123,689 years, 34 weeks, 3 days, 14 hours, 9 minutes, 2 seconds.
• To count from 1 to 3,889,990,447,742 would take you about three hundred nine thousand, two hundred twenty-four 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 3889990447742 cubic inches would be around 1310.6 feet tall.

Recreational maths with 3889990447742

• 3889990447742 backwards is 2477440999883
• 3889990447742 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 3889990447742's digits is 74
• More coming soon!