42945994091

Names of 42945994091

• Cardinal: 42945994091 can be written as Forty-two billion, nine hundred forty-five million, nine hundred ninety-four thousand and ninety-one.

Scientific notation

• Scientific notation: 4.2945994091 × 10¹⁰

Factors of 42945994091

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 68

Divisors of 42945994091

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 11 13 37 49 77 91 121 143 259 407 481 539 637 847 1001 1331 1369 1573 1813 2849 3367 4477 5291 5929 7007 9317 9583 11011 15059 17303 17797 19943 23569 31339 37037 49247 50653 58201 65219 67081 77077 105413 121121 124579 165649 195767 219373 259259 344729 354571 407407 557183 640211 658489 737891 847847 872053 1159543 1370369 1822139 2153437 2413103 2481997 2851849 3900281 4481477 4609423 6129013 7243379 8116801 9592583 12754973 15074059 23687807 27301967 31370339 32265961 42903091 50703653 67419143 79677169 89284811 105518413 165814649 300321637 354925571 471934001 557740183 876448859 1160702543 3303538007 3904181281 6135142013 42945994091
• Sum of all divisors σ(n): 60820240320
• Sum of proper divisors (its aliquot sum) s(n): 17874246229
• 42945994091 is a deficient number, because the sum of its proper divisors (17874246229) is less than itself. Its deficiency is 25071747862

Bases of 42945994091

• Binary: 100111111111110001111101110101101011₂
• Hexadecimal: 0x9FFC7DD6B
• Base-36: JQ8XP4B

Squares and roots of 42945994091

• 42945994091 squared (42945994091²) is 1844358408464206916281
• 42945994091 cubed (42945994091³) is 79207805311589994611605157695571
• The square root of 42945994091 is 207234.1528102933
• The cube root of 42945994091 is 3501.9307467233

Scales and comparisons

• 42,945,994,091 seconds is equal to 1,365 years, 28 weeks, 4 days, 2 hours, 48 minutes, 11 seconds.
• To count from 1 to 42,945,994,091 would take you about two thousand, seven hundred thirty-one 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 42945994091 cubic inches would be around 291.8 feet tall.

Recreational maths with 42945994091

• 42945994091 backwards is 19049954924
• The number of decimal digits it has is: 11
• The sum of 42945994091's digits is 56
• More coming soon!