999967980

Names of 999967980

• Cardinal: 999967980 can be written as Nine hundred ninety-nine million, nine hundred sixty-seven thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 9.9996798 × 10⁸

Factors of 999967980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5485

Divisors of 999967980

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 293 330 586 660 879 1172 1465 1758 2930 3223 3516 4395 5171 5860 6446 8790 9669 10342 12892 15513 16115 17580 19338 20684 25855 31026 32230 38676 48345 51710 56881 62052 64460 77565 96690 103420 113762 155130 170643 193380 227524 284405 310260 341286 568810 682572 853215 1137620 1515103 1706430 3030206 3412860 4545309 6060412 7575515 9090618 15151030 16666133 18181236 22726545 30302060 33332266 45453090 49998399 66664532 83330665 90906180 99996798 166661330 199993596 249991995 333322660 499983990 999967980
• Sum of all divisors σ(n): 3065465088
• Sum of proper divisors (its aliquot sum) s(n): 2065497108
• 999967980 is an abundant number, because the sum of its proper divisors (2065497108) is greater than itself. Its abundance is 1065529128

Bases of 999967980

• Binary: 111011100110100100110011101100₂
• Hexadecimal: 0x3B9A4CEC
• Base-36: GJCS8C

Squares and roots of 999967980

• 999967980 squared (999967980²) is 999935961025280400
• 999967980 cubed (999967980³) is 999903943075808370521592000
• The square root of 999967980 is 31622.2703169775
• The cube root of 999967980 is 999.9893265527

Scales and comparisons

• 999,967,980 seconds is equal to 31 years, 41 weeks, 2 days, 16 hours, 53 minutes.
• To count from 1 to 999,967,980 would take you about forty-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 999967980 cubic inches would be around 83.3 feet tall.

Recreational maths with 999967980

• 999967980 backwards is 089769999
• 999967980 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 999967980's digits is 66
• More coming soon!