3989724161725

Names of 3989724161725

• Cardinal: 3989724161725 can be written as Three trillion, nine hundred eighty-nine billion, seven hundred twenty-four million, one hundred sixty-one thousand, seven hundred twenty-five.

Scientific notation

• Scientific notation: 3.989724161725 × 10¹²

Factors of 3989724161725

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 6521

Divisors of 3989724161725

• Number of divisors d(n): 48
• Complete list of divisors:
  1 5 25 97 307 485 1061 1535 2425 5051 5305 7675 25255 26525 29779 102917 126275 148895 325727 489947 514585 744475 1550657 1628635 2449735 2572925 5359111 7753285 8143175 12248675 26795555 31595519 38766425 133977775 150413729 157977595 519833767 752068645 789887975 1645247077 2599168835 3760343225 8226235385 12995844175 41131176925 159588966469 797944832345 3989724161725
• Sum of all divisors σ(n): 5020261557696
• Sum of proper divisors (its aliquot sum) s(n): 1030537395971
• 3989724161725 is a deficient number, because the sum of its proper divisors (1030537395971) is less than itself. Its deficiency is 2959186765754

Bases of 3989724161725

• Binary: 111010000011101110000101110110011010111101₂
• Hexadecimal: 0x3A0EE1766BD
• Base-36: 1EWUQR5J1

Squares and roots of 3989724161725

• 3989724161725 squared (3989724161725²) is 15917898886652253954975625
• 3989724161725 cubed (3989724161725³) is 63508025791971974702096941345932953125
• The square root of 3989724161725 is 1997429.3884202765
• The cube root of 3989724161725 is 15860.4056324813

Scales and comparisons

• 3,989,724,161,725 seconds is equal to 126,860 years, 46 weeks, 23 hours, 35 minutes, 25 seconds.
• To count from 1 to 3,989,724,161,725 would take you about three hundred seventeen thousand, one hundred fifty-two 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 3989724161725 cubic inches would be around 1321.7 feet tall.

Recreational maths with 3989724161725

• 3989724161725 backwards is 5271614279893
• The number of decimal digits it has is: 13
• The sum of 3989724161725's digits is 64
• More coming soon!