40697128472

Names of 40697128472

• Cardinal: 40697128472 can be written as Forty billion, six hundred ninety-seven million, one hundred twenty-eight thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 4.0697128472 × 10¹⁰

Factors of 40697128472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5082092

Divisors of 40697128472

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 11 13 14 22 26 28 44 52 56 77 88 91 104 143 154 182 286 308 364 572 616 728 1001 1144 2002 4004 8008 5082059 10164118 20328236 35574413 40656472 55902649 66066767 71148826 111805298 132133534 142297652 223610596 264267068 284595304 391318543 447221192 462467369 528534136 726734437 782637086 924934738 1453468874 1565274172 1849869476 2906937748 3130548344 3699738952 5087141059 5813875496 10174282118 20348564236 40697128472
• Sum of all divisors σ(n): 102454329600
• Sum of proper divisors (its aliquot sum) s(n): 61757201128
• 40697128472 is an abundant number, because the sum of its proper divisors (61757201128) is greater than itself. Its abundance is 21060072656

Bases of 40697128472

• Binary: 100101111001101111001110011000011000₂
• Hexadecimal: 0x979BCE618
• Base-36: IP20PAW

Squares and roots of 40697128472

• 40697128472 squared (40697128472²) is 1656256265866473054784
• 40697128472 cubed (40697128472³) is 67404874034522842308070742210048
• The square root of 40697128472 is 201735.2930748607
• The cube root of 40697128472 is 3439.7054595029

Scales and comparisons

• 40,697,128,472 seconds is equal to 1,294 years, 2 weeks, 1 day, 13 hours, 54 minutes, 32 seconds.
• To count from 1 to 40,697,128,472 would take you about two thousand, five hundred eighty-eight 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 40697128472 cubic inches would be around 286.6 feet tall.

Recreational maths with 40697128472

• 40697128472 backwards is 27482179604
• The number of decimal digits it has is: 11
• The sum of 40697128472's digits is 50
• More coming soon!