399898442437965

Names of 399898442437965

• Cardinal: 399898442437965 can be written as Three hundred ninety-nine trillion, eight hundred ninety-eight billion, four hundred forty-two million, four hundred thirty-seven thousand, nine hundred sixty-five.

Scientific notation

• Scientific notation: 3.99898442437965 × 10¹⁴

Factors of 399898442437965

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 7109567

Divisors of 399898442437965

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 5 9 15 45 53 159 265 477 795 2385 23663 70989 118315 212967 354945 1064835 1254139 3762417 6270695 7085843 11287251 18812085 21257529 35429215 56436255 63772587 106287645 318862935 375549679 1126649037 1877748395 3379947111 5633245185 16899735555 167672302909 503016908727 838361514545 1509050726181 2515084543635 7545253630905 8886632054177 26659896162531 44433160270885 79979688487593 133299480812655 399898442437965
• Sum of all divisors σ(n): 706265685096192
• Sum of proper divisors (its aliquot sum) s(n): 306367242658227
• 399898442437965 is a deficient number, because the sum of its proper divisors (306367242658227) is less than itself. Its deficiency is 93531199779738

Bases of 399898442437965

• Binary: 1011010111011010010011100100110111001010101001101₂
• Hexadecimal: 0x16BB49C9B954D
• Base-36: 3XR2T3K099

Squares and roots of 399898442437965

• 399898442437965 squared (399898442437965²) is 159918764264310406492873341225
• 399898442437965 cubed (399898442437965³) is 63951264745901829351905440438863144339607125
• The square root of 399898442437965 is 19997460.8997733761
• The cube root of 399898442437965 is 73674.3937573745

Scales and comparisons

• 399,898,442,437,965 seconds is equal to 12,715,533 years, 26 weeks, 21 hours, 12 minutes, 45 seconds.
• To count from 1 to 399,898,442,437,965 would take you about thirty-one million, seven hundred eighty-eight thousand, eight 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 399898442437965 cubic inches would be around 6139.5 feet tall.

Recreational maths with 399898442437965

• 399898442437965 backwards is 569734244898993
• The number of decimal digits it has is: 15
• The sum of 399898442437965's digits is 90
• More coming soon!