1998660976

Names of 1998660976

• Cardinal: 1998660976 can be written as One billion, nine hundred ninety-eight million, six hundred sixty thousand, nine hundred seventy-six.

Scientific notation

• Scientific notation: 1.998660976 × 10⁹

Factors of 1998660976

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2780

Divisors of 1998660976

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 13 16 26 29 52 58 104 116 127 208 232 254 377 464 508 754 1016 1508 1651 2032 2609 3016 3302 3683 5218 6032 6604 7366 10436 13208 14732 20872 26416 29464 33917 41744 47879 58928 67834 75661 95758 135668 151322 191516 271336 302644 331343 383032 542672 605288 662686 766064 983593 1210576 1325372 1967186 2650744 3934372 4307459 5301488 7868744 8614918 9608947 15737488 17229836 19217894 34459672 38435788 68919344 76871576 124916311 153743152 249832622 499665244 999330488 1998660976
• Sum of all divisors σ(n): 4349721600
• Sum of proper divisors (its aliquot sum) s(n): 2351060624
• 1998660976 is an abundant number, because the sum of its proper divisors (2351060624) is greater than itself. Its abundance is 352399648

Bases of 1998660976

• Binary: 1110111001000010010010101110000₂
• Hexadecimal: 0x77212570
• Base-36: X1Y8OG

Squares and roots of 1998660976

• 1998660976 squared (1998660976²) is 3994645696985272576
• 1998660976 cubed (1998660976³) is 7983942467510785144374194176
• The square root of 1998660976 is 44706.3862999461
• The cube root of 1998660976 is 1259.6398097003

Scales and comparisons

• 1,998,660,976 seconds is equal to 63 years, 28 weeks, 4 days, 15 hours, 36 minutes, 16 seconds.
• To count from 1 to 1,998,660,976 would take you about one hundred twenty-seven 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 1998660976 cubic inches would be around 105 feet tall.

Recreational maths with 1998660976

• 1998660976 backwards is 6790668991
• The number of decimal digits it has is: 10
• The sum of 1998660976's digits is 61
• More coming soon!