40407697908

Names of 40407697908

• Cardinal: 40407697908 can be written as Forty billion, four hundred seven million, six hundred ninety-seven thousand, nine hundred eight.

Scientific notation

• Scientific notation: 4.0407697908 × 10¹⁰

Factors of 40407697908

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 183287

Divisors of 40407697908

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 683 1366 2049 2732 4098 6147 8196 12294 18441 24588 36882 55323 73764 110646 182599 221292 365198 547797 730396 1095594 1643391 2191188 3286782 4930173 6573564 9860346 14790519 19720692 29581038 59162076 124715117 249430234 374145351 498860468 748290702 1122436053 1496581404 2244872106 3367308159 4489744212 6734616318 10101924477 13469232636 20203848954 40407697908
• Sum of all divisors σ(n): 105788944800
• Sum of proper divisors (its aliquot sum) s(n): 65381246892
• 40407697908 is an abundant number, because the sum of its proper divisors (65381246892) is greater than itself. Its abundance is 24973548984

Bases of 40407697908

• Binary: 100101101000011111001000100111110100₂
• Hexadecimal: 0x9687C89F4
• Base-36: IK9P790

Squares and roots of 40407697908

• 40407697908 squared (40407697908²) is 1632782050224187576464
• 40407697908 cubed (40407697908³) is 65976963835063855264483962837312
• The square root of 40407697908 is 201016.6607721857
• The cube root of 40407697908 is 3431.5318661937

Scales and comparisons

• 40,407,697,908 seconds is equal to 1,284 years, 43 weeks, 4 days, 16 hours, 31 minutes, 48 seconds.
• To count from 1 to 40,407,697,908 would take you about two thousand, five hundred sixty-nine 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 40407697908 cubic inches would be around 286 feet tall.

Recreational maths with 40407697908

• 40407697908 backwards is 80979670404
• 40407697908 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40407697908's digits is 54
• More coming soon!