9921329964

Names of 9921329964

• Cardinal: 9921329964 can be written as Nine billion, nine hundred twenty-one million, three hundred twenty-nine thousand, nine hundred sixty-four.

Scientific notation

• Scientific notation: 9.921329964 × 10⁹

Factors of 9921329964

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3028514

Divisors of 9921329964

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 52 63 78 84 91 117 126 156 182 234 252 273 364 468 546 819 1092 1638 3276 3028489 6056978 9085467 12113956 18170934 21199423 27256401 36341868 39370357 42398846 54512802 63598269 78740714 84797692 109025604 118111071 127196538 157481428 190794807 236222142 254393076 275592499 354333213 381589614 472444284 551184998 708666426 763179228 826777497 1102369996 1417332852 1653554994 2480332491 3307109988 4960664982 9921329964
• Sum of all divisors σ(n): 30866370080
• Sum of proper divisors (its aliquot sum) s(n): 20945040116
• 9921329964 is an abundant number, because the sum of its proper divisors (20945040116) is greater than itself. Its abundance is 11023710152

Bases of 9921329964

• Binary: 1001001111010110110111101100101100₂
• Hexadecimal: 0x24F5B7B2C
• Base-36: 4K2WJ70

Squares and roots of 9921329964

• 9921329964 squared (9921329964²) is 98432788254564241296
• 9921329964 cubed (9921329964³) is 976584171550075466932930993344
• The square root of 9921329964 is 99605.8731400915
• The cube root of 9921329964 is 2148.7701611835

Scales and comparisons

• 9,921,329,964 seconds is equal to 315 years, 24 weeks, 2 days, 4 hours, 59 minutes, 24 seconds.
• To count from 1 to 9,921,329,964 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 9921329964 cubic inches would be around 179.1 feet tall.

Recreational maths with 9921329964

• 9921329964 backwards is 4699231299
• The number of decimal digits it has is: 10
• The sum of 9921329964's digits is 54
• More coming soon!