9920490720

Names of 9920490720

• Cardinal: 9920490720 can be written as Nine billion, nine hundred twenty million, four hundred ninety thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 9.92049072 × 10⁹

Factors of 9920490720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2952544

Divisors of 9920490720

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 240 280 336 420 480 560 672 840 1120 1680 3360 2952527 5905054 8857581 11810108 14762635 17715162 20667689 23620216 29525270 35430324 41335378 44287905 47240432 59050540 62003067 70860648 82670756 88575810 94480864 103338445 118101080 124006134 141721296 165341512 177151620 206676890 236202160 248012268 283442592 310015335 330683024 354303240 413353780 472404320 496024536 620030670 661366048 708606480 826707560 992049072 1240061340 1417212960 1653415120 1984098144 2480122680 3306830240 4960245360 9920490720
• Sum of all divisors σ(n): 35713778688
• Sum of proper divisors (its aliquot sum) s(n): 25793287968
• 9920490720 is an abundant number, because the sum of its proper divisors (25793287968) is greater than itself. Its abundance is 15872797248

Bases of 9920490720

• Binary: 1001001111010011101010110011100000₂
• Hexadecimal: 0x24F4EACE0
• Base-36: 4K2EJMO

Squares and roots of 9920490720

• 9920490720 squared (9920490720²) is 98416136125606118400
• 9920490720 cubed (9920490720³) is 976336365132332251962421248000
• The square root of 9920490720 is 99601.6602271267
• The cube root of 9920490720 is 2148.7095714131

Scales and comparisons

• 9,920,490,720 seconds is equal to 315 years, 22 weeks, 6 days, 11 hours, 52 minutes.
• To count from 1 to 9,920,490,720 would take you about six hundred thirty 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 9920490720 cubic inches would be around 179.1 feet tall.

Recreational maths with 9920490720

• 9920490720 backwards is 0270940299
• 9920490720 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 9920490720's digits is 42
• More coming soon!