399774377987

Names of 399774377987

• Cardinal: 399774377987 can be written as Three hundred ninety-nine billion, seven hundred seventy-four million, three hundred seventy-seven thousand, nine hundred eighty-seven.

Scientific notation

• Scientific notation: 3.99774377987 × 10¹¹

Factors of 399774377987

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 4431

Divisors of 399774377987

• Number of divisors d(n): 32
• Complete list of divisors:
  1 31 67 151 331 2077 3851 4681 10117 10261 22177 49981 119381 258017 313627 581501 687487 1274681 1549411 3348727 7998527 18026531 38960567 39515111 85403627 103810537 192476831 1207777577 2647512437 5966781761 12895947677 399774377987
• Sum of all divisors σ(n): 422986825728
• Sum of proper divisors (its aliquot sum) s(n): 23212447741
• 399774377987 is a deficient number, because the sum of its proper divisors (23212447741) is less than itself. Its deficiency is 376561930246

Bases of 399774377987

• Binary: 101110100010100011010001110100000000011₂
• Hexadecimal: 0x5D1468E803
• Base-36: 53NJCC8Z

Squares and roots of 399774377987

• 399774377987 squared (399774377987²) is 159819553294892750172169
• 399774377987 cubed (399774377987³) is 63891762508625945583954649133643803
• The square root of 399774377987 is 632277.1370111371
• The cube root of 399774377987 is 7366.6774057271

Scales and comparisons

• 399,774,377,987 seconds is equal to 12,711 years, 30 weeks, 4 days, 6 hours, 19 minutes, 47 seconds.
• To count from 1 to 399,774,377,987 would take you about twenty-five thousand, four hundred twenty-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 399774377987 cubic inches would be around 613.9 feet tall.

Recreational maths with 399774377987

• 399774377987 backwards is 789773477993
• The number of decimal digits it has is: 12
• The sum of 399774377987's digits is 80
• More coming soon!