40997994642

Names of 40997994642

• Cardinal: 40997994642 can be written as Forty billion, nine hundred ninety-seven million, nine hundred ninety-four thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 4.0997994642 × 10¹⁰

Factors of 40997994642

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2091537

Divisors of 40997994642

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 54 66 81 99 121 162 198 242 297 363 594 726 891 1089 1782 2178 3267 6534 9801 19602 2091521 4183042 6274563 12549126 18823689 23006731 37647378 46013462 56471067 69020193 112942134 138040386 169413201 207060579 253074041 338826402 414121158 506148082 621181737 759222123 1242363474 1518444246 1863545211 2277666369 3727090422 4555332738 6832999107 13665998214 20498997321 40997994642
• Sum of all divisors σ(n): 100976590638
• Sum of proper divisors (its aliquot sum) s(n): 59978595996
• 40997994642 is an abundant number, because the sum of its proper divisors (59978595996) is greater than itself. Its abundance is 18980601354

Bases of 40997994642

• Binary: 100110001011101010111100000010010010₂
• Hexadecimal: 0x98BABC092
• Base-36: IU15B4I

Squares and roots of 40997994642

• 40997994642 squared (40997994642²) is 1680835564665460708164
• 40997994642 cubed (40997994642³) is 68910887474237602635769197657288
• The square root of 40997994642 is 202479.6153739927
• The cube root of 40997994642 is 3448.1610206855

Scales and comparisons

• 40,997,994,642 seconds is equal to 1,303 years, 31 weeks, 4 days, 19 hours, 50 minutes, 42 seconds.
• To count from 1 to 40,997,994,642 would take you about two thousand, six hundred seven 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 40997994642 cubic inches would be around 287.3 feet tall.

Recreational maths with 40997994642

• 40997994642 backwards is 24649979904
• The number of decimal digits it has is: 11
• The sum of 40997994642's digits is 63
• More coming soon!