400857712838

Names of 400857712838

• Cardinal: 400857712838 can be written as Four hundred billion, eight hundred fifty-seven million, seven hundred twelve thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 4.00857712838 × 10¹¹

Factors of 400857712838

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1836

Divisors of 400857712838

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 11 22 173 346 557 1093 1114 1903 2186 3806 6127 12023 12254 24046 29929 59858 96361 189089 192722 329219 378178 608801 658438 1059971 1217602 2079979 2119942 4159958 6696811 13393622 16670453 32712397 33340906 65424794 105322573 183374983 210645146 359836367 366749966 719672734 1158548303 2317096606 18220805129 36441610258 200428856419 400857712838
• Sum of all divisors σ(n): 661551716016
• Sum of proper divisors (its aliquot sum) s(n): 260694003178
• 400857712838 is a deficient number, because the sum of its proper divisors (260694003178) is less than itself. Its deficiency is 140163709660

Bases of 400857712838

• Binary: 101110101010100111110110100100011000110₂
• Hexadecimal: 0x5D54FB48C6
• Base-36: 545GBYRQ

Squares and roots of 400857712838

• 400857712838 squared (400857712838²) is 160686905941712470014244
• 400857712838 cubed (400857712838³) is 64412585598809693270933507121664472
• The square root of 400857712838 is 633133.2504599643
• The cube root of 400857712838 is 7373.3256393947

Scales and comparisons

• 400,857,712,838 seconds is equal to 12,746 years, 1 week, 5 days, 20 hours, 40 minutes, 38 seconds.
• To count from 1 to 400,857,712,838 would take you about twenty-five thousand, four hundred ninety-two 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 400857712838 cubic inches would be around 614.4 feet tall.

Recreational maths with 400857712838

• 400857712838 backwards is 838217758004
• The number of decimal digits it has is: 12
• The sum of 400857712838's digits is 53
• More coming soon!