40408734668

Names of 40408734668

• Cardinal: 40408734668 can be written as Forty billion, four hundred eight million, seven hundred thirty-four thousand, six hundred sixty-eight.

Scientific notation

• Scientific notation: 4.0408734668 × 10¹⁰

Factors of 40408734668

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 163

Divisors of 40408734668

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 37 53 71 74 106 142 148 212 284 1369 1961 2627 2738 2809 3763 3922 5254 5476 5618 7526 7844 10508 11236 15052 50653 72557 97199 101306 103933 139231 145114 194398 199439 202612 207866 278462 290228 388796 398878 415732 556924 797756 2684609 3596363 3845521 5151547 5369218 7192726 7379243 7691042 10303094 10738436 14385452 14758486 15382084 20606188 29516972 142284277 190607239 273031991 284568554 381214478 546063982 569137108 762428956 1092127964 10102183667 20204367334 40408734668
• Sum of all divisors σ(n): 75120081120
• Sum of proper divisors (its aliquot sum) s(n): 34711346452
• 40408734668 is a deficient number, because the sum of its proper divisors (34711346452) is less than itself. Its deficiency is 5697388216

Bases of 40408734668

• Binary: 100101101000100011000101101111001100₂
• Hexadecimal: 0x9688C5BCC
• Base-36: IKABF7W

Squares and roots of 40408734668

• 40408734668 squared (40408734668²) is 1632865837468825070224
• 40408734668 cubed (40408734668³) is 65982042374719364984388083325632
• The square root of 40408734668 is 201019.2395468655
• The cube root of 40408734668 is 3431.5612141045

Scales and comparisons

• 40,408,734,668 seconds is equal to 1,284 years, 45 weeks, 2 days, 16 hours, 31 minutes, 8 seconds.
• To count from 1 to 40,408,734,668 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 40408734668 cubic inches would be around 286 feet tall.

Recreational maths with 40408734668

• 40408734668 backwards is 86643780404
• The number of decimal digits it has is: 11
• The sum of 40408734668's digits is 50
• More coming soon!