399778794002

Names of 399778794002

• Cardinal: 399778794002 can be written as Three hundred ninety-nine billion, seven hundred seventy-eight million, seven hundred ninety-four thousand and two.

Scientific notation

• Scientific notation: 3.99778794002 × 10¹¹

Factors of 399778794002

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1326

Divisors of 399778794002

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 7 14 19 38 49 97 98 133 194 266 361 679 722 931 1201 1358 1843 1862 2402 2527 3686 4753 5054 8407 9409 9506 12901 16814 17689 18818 22819 25802 35017 35378 45638 58849 65863 70034 90307 116497 117698 131726 159733 178771 180614 232994 245119 319466 357542 433561 461041 490238 815479 867122 922082 1118131 1251397 1630958 1715833 2213443 2236262 2502794 3034927 3396649 3431666 4426886 5708353 6069854 6793298 8759779 11300209 11416706 15494101 17519558 21244489 22600418 23776543 30988202 42055417 42488978 47553086 79101463 84110834 108458707 158202926 166435801 214703971 216917414 294387919 332871602 429407942 553710241 588775838 1107420482 1502927797 2060715433 3005855594 4079375449 4121430866 8158750898 10520494579 21040989158 28555628143 57111256286 199889397001 399778794002
• Sum of all divisors σ(n): 744507449514
• Sum of proper divisors (its aliquot sum) s(n): 344728655512
• 399778794002 is a deficient number, because the sum of its proper divisors (344728655512) is less than itself. Its deficiency is 55050138490

Bases of 399778794002

• Binary: 101110100010100101011000100101000010010₂
• Hexadecimal: 0x5D14AC4A12
• Base-36: 53NLYZO2

Squares and roots of 399778794002

• 399778794002 squared (399778794002²) is 159823084133693551176004
• 399778794002 cubed (399778794002³) is 63893879828648188822987547961528008
• The square root of 399778794002 is 632280.6291529103
• The cube root of 399778794002 is 7366.7045303919

Scales and comparisons

• 399,778,794,002 seconds is equal to 12,711 years, 37 weeks, 6 days, 9 hours, 2 seconds.
• To count from 1 to 399,778,794,002 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 399778794002 cubic inches would be around 613.9 feet tall.

Recreational maths with 399778794002

• 399778794002 backwards is 200497877993
• The number of decimal digits it has is: 12
• The sum of 399778794002's digits is 65
• More coming soon!