399702949965

Names of 399702949965

• Cardinal: 399702949965 can be written as Three hundred ninety-nine billion, seven hundred two million, nine hundred forty-nine thousand, nine hundred sixty-five.

Scientific notation

• Scientific notation: 3.99702949965 × 10¹¹

Factors of 399702949965

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 141437

Divisors of 399702949965

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 9 11 15 33 45 55 99 121 165 363 495 521 605 1089 1563 1815 2605 4689 5445 5731 7815 17193 23445 28655 51579 63041 85965 140897 189123 257895 315205 422691 567369 704485 945615 1268073 1549867 2113455 2836845 4649601 6340365 7749335 13948803 17048537 23248005 51145611 69744015 73407337 85242685 153436833 220222011 255728055 367036685 660666033 767184165 807480707 1101110055 2422442121 3303330165 4037403535 7267326363 8882287777 12112210605 26646863331 36336631815 44411438885 79940589993 133234316655 399702949965
• Sum of all divisors σ(n): 762994794744
• Sum of proper divisors (its aliquot sum) s(n): 363291844779
• 399702949965 is a deficient number, because the sum of its proper divisors (363291844779) is less than itself. Its deficiency is 36411105186

Bases of 399702949965

• Binary: 101110100010000001001110000000001001101₂
• Hexadecimal: 0x5D1027004D
• Base-36: 53MCTE19

Squares and roots of 399702949965

• 399702949965 squared (399702949965²) is 159762448210723293501225
• 399702949965 cubed (399702949965³) is 63857521843456636358780145841207125
• The square root of 399702949965 is 632220.6497457987
• The cube root of 399702949965 is 7366.2386427931

Scales and comparisons

• 399,702,949,965 seconds is equal to 12,709 years, 16 weeks, 3 days, 13 hours, 12 minutes, 45 seconds.
• To count from 1 to 399,702,949,965 would take you about twenty-five thousand, four hundred eighteen 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 399702949965 cubic inches would be around 613.9 feet tall.

Recreational maths with 399702949965

• 399702949965 backwards is 569949207993
• The number of decimal digits it has is: 12
• The sum of 399702949965's digits is 72
• More coming soon!