79989930

Names of 79989930

• Cardinal: 79989930 can be written as Seventy-nine million, nine hundred eighty-nine thousand, nine hundred thirty.

Scientific notation

• Scientific notation: 7.998993 × 10⁷

Factors of 79989930

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 221

Divisors of 79989930

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 5 6 9 10 15 17 18 27 30 34 37 45 51 54 74 81 85 90 102 111 135 153 157 162 170 185 222 255 270 306 314 333 370 405 459 471 510 555 629 666 765 785 810 918 942 999 1110 1258 1377 1413 1530 1570 1665 1887 1998 2295 2355 2669 2754 2826 2997 3145 3330 3774 4239 4590 4710 4995 5338 5661 5809 5994 6290 6885 7065 8007 8478 9435 9990 11322 11618 12717 13345 13770 14130 14985 16014 16983 17427 18870 21195 24021 25434 26690 28305 29045 29970 33966 34854 40035 42390 48042 50949 52281 56610 58090 63585 72063 80070 84915 87135 98753 101898 104562 120105 127170 144126 156843 169830 174270 197506 216189 240210 254745 261405 296259 313686 360315 432378 470529 493765 509490 522810 592518 720630 784215 888777 941058 987530 1080945 1481295 1568430 1777554 2161890 2352645 2666331 2962590 4443885 4705290 5332662 7998993 8887770 13331655 15997986 26663310 39994965 79989930
• Sum of all divisors σ(n): 235380816
• Sum of proper divisors (its aliquot sum) s(n): 155390886
• 79989930 is an abundant number, because the sum of its proper divisors (155390886) is greater than itself. Its abundance is 75400956

Bases of 79989930

• Binary: 100110001001000110010101010₂
• Hexadecimal: 0x4C48CAA
• Base-36: 1BMGMI

Squares and roots of 79989930

• 79989930 squared (79989930²) is 6398388901404900
• 79989930 cubed (79989930³) is 511806680336154852657000
• The square root of 79989930 is 8943.7089621699
• The cube root of 79989930 is 430.8688579501

Scales and comparisons

• 79,989,930 seconds is equal to 2 years, 28 weeks, 1 day, 19 hours, 25 minutes, 30 seconds.
• To count from 1 to 79,989,930 would take you about 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 79989930 cubic inches would be around 35.9 feet tall.

Recreational maths with 79989930

• 79989930 backwards is 03998997
• 79989930 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 79989930's digits is 54
• More coming soon!