400894181040

Names of 400894181040

• Cardinal: 400894181040 can be written as Four hundred billion, eight hundred ninety-four million, one hundred eighty-one thousand and forty.

Scientific notation

• Scientific notation: 4.0089418104 × 10¹¹

Factors of 400894181040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5337040

Divisors of 400894181040

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 313 626 939 1252 1565 1878 2504 3130 3756 4695 5008 6260 7512 9390 12520 15024 18780 25040 37560 75120 5336717 10673434 16010151 21346868 26683585 32020302 42693736 53367170 64040604 80050755 85387472 106734340 128081208 160101510 213468680 256162416 320203020 426937360 640406040 1280812080 1670392421 3340784842 5011177263 6681569684 8351962105 10022354526 13363139368 16703924210 20044709052 25055886315 26726278736 33407848420 40089418104 50111772630 66815696840 80178836208 100223545260 133631393680 200447090520 400894181040
• Sum of all divisors σ(n): 1246742712288
• Sum of proper divisors (its aliquot sum) s(n): 845848531248
• 400894181040 is an abundant number, because the sum of its proper divisors (845848531248) is greater than itself. Its abundance is 444954350208

Bases of 400894181040

• Binary: 101110101010111001001111011111010110000₂
• Hexadecimal: 0x5D5727BEB0
• Base-36: 54621LTC

Squares and roots of 400894181040

• 400894181040 squared (400894181040²) is 160716144391732295481600
• 400894181040 cubed (400894181040³) is 64430167085829907544015324388864000
• The square root of 400894181040 is 633162.0495892027
• The cube root of 400894181040 is 7373.5492297665

Scales and comparisons

• 400,894,181,040 seconds is equal to 12,747 years, 10 weeks, 22 hours, 44 minutes.
• To count from 1 to 400,894,181,040 would take you about twenty-five thousand, four hundred ninety-four 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 400894181040 cubic inches would be around 614.5 feet tall.

Recreational maths with 400894181040

• 400894181040 backwards is 040181498004
• The number of decimal digits it has is: 12
• The sum of 400894181040's digits is 39
• More coming soon!