400934739645

Names of 400934739645

• Cardinal: 400934739645 can be written as Four hundred billion, nine hundred thirty-four million, seven hundred thirty-nine thousand, six hundred forty-five.

Scientific notation

• Scientific notation: 4.00934739645 × 10¹¹

Factors of 400934739645

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8600

Divisors of 400934739645

• Number of divisors d(n): 54
• Complete list of divisors:
  1 3 5 9 11 15 33 45 55 99 121 165 363 495 605 1089 1815 5445 8581 25743 42905 77229 94391 128715 283173 386145 471955 849519 1038301 1415865 3114903 4247595 5191505 9344709 15574515 46723545 73633561 220900683 368167805 662702049 809969171 1104503415 2429907513 3313510245 4049845855 7289722539 8909660881 12149537565 26728982643 36448612695 44548304405 80186947929 133644913215 400934739645
• Sum of all divisors σ(n): 763963591482
• Sum of proper divisors (its aliquot sum) s(n): 363028851837
• 400934739645 is a deficient number, because the sum of its proper divisors (363028851837) is less than itself. Its deficiency is 37905887808

Bases of 400934739645

• Binary: 101110101011001100100101001111010111101₂
• Hexadecimal: 0x5D59929EBD
• Base-36: 546Q6X19

Squares and roots of 400934739645

• 400934739645 squared (400934739645²) is 160748665454203934726025
• 400934739645 cubed (400934739645³) is 64449724332162460240113407780761125
• The square root of 400934739645 is 633194.0773925481
• The cube root of 400934739645 is 7373.7978829025

Scales and comparisons

• 400,934,739,645 seconds is equal to 12,748 years, 25 weeks, 1 day, 9 hours, 45 seconds.
• To count from 1 to 400,934,739,645 would take you about twenty-five thousand, four hundred ninety-six 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 400934739645 cubic inches would be around 614.5 feet tall.

Recreational maths with 400934739645

• 400934739645 backwards is 546937439004
• The number of decimal digits it has is: 12
• The sum of 400934739645's digits is 54
• More coming soon!