6816499920

Names of 6816499920

• Cardinal: 6816499920 can be written as Six billion, eight hundred sixteen million, four hundred ninety-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 6.81649992 × 10⁹

Factors of 6816499920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 116891

Divisors of 6816499920

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 81 90 108 120 135 144 162 180 216 240 243 270 324 360 405 432 486 540 648 720 729 810 972 1080 1215 1296 1458 1620 1944 2160 2430 2916 3240 3645 3888 4860 5832 6480 7290 9720 11664 14580 19440 29160 58320 116881 233762 350643 467524 584405 701286 935048 1051929 1168810 1402572 1753215 1870096 2103858 2337620 2805144 3155787 3506430 4207716 4675240 5259645 5610288 6311574 7012860 8415432 9350480 9467361 10519290 12623148 14025720 15778935 16830864 18934722 21038580 25246296 28051440 28402083 31557870 37869444 42077160 47336805 50492592 56804166 63115740 75738888 84154320 85206249 94673610 113608332 126231480 142010415 151477776 170412498 189347220 227216664 252462960 284020830 340824996 378694440 426031245 454433328 568041660 681649992 757388880 852062490 1136083320 1363299984 1704124980 2272166640 3408249960 6816499920
• Sum of all divisors σ(n): 23761876836
• Sum of proper divisors (its aliquot sum) s(n): 16945376916
• 6816499920 is an abundant number, because the sum of its proper divisors (16945376916) is greater than itself. Its abundance is 10128876996

Bases of 6816499920

• Binary: 110010110010010111000100011010000₂
• Hexadecimal: 0x1964B88D0
• Base-36: 34QD900

Squares and roots of 6816499920

• 6816499920 squared (6816499920²) is 46464671159360006400
• 6816499920 cubed (6816499920³) is 316726427240603790876799488000
• The square root of 6816499920 is 82562.0973570803
• The cube root of 6816499920 is 1896.0675749029

Scales and comparisons

• 6,816,499,920 seconds is equal to 216 years, 38 weeks, 4 days, 16 hours, 12 minutes.
• To count from 1 to 6,816,499,920 would take you about four hundred thirty-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 6816499920 cubic inches would be around 158 feet tall.

Recreational maths with 6816499920

• 6816499920 backwards is 0299946186
• 6816499920 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6816499920's digits is 54
• More coming soon!