42909861555

Names of 42909861555

• Cardinal: 42909861555 can be written as Forty-two billion, nine hundred nine million, eight hundred sixty-one thousand, five hundred fifty-five.

Scientific notation

• Scientific notation: 4.2909861555 × 10¹⁰

Factors of 42909861555

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 218

Divisors of 42909861555

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 9 11 15 33 45 55 99 121 165 199 363 495 597 605 995 1089 1791 1815 2189 2985 5445 6567 8955 10945 19701 24079 32835 39601 72237 98505 118803 120395 198005 216711 356409 361185 435611 594015 1083555 1306833 1782045 2178055 3920499 4791721 6534165 7880599 14375163 19602495 23641797 23958605 39402995 43125489 70925391 71875815 86686589 118208985 215627445 260059767 354626955 433432945 780179301 953552479 1300298835 2860657437 3900896505 4767762395 8581972311 14303287185 42909861555
• Sum of all divisors σ(n): 82166229600
• Sum of proper divisors (its aliquot sum) s(n): 39256368045
• 42909861555 is a deficient number, because the sum of its proper divisors (39256368045) is less than itself. Its deficiency is 3653493510

Bases of 42909861555

• Binary: 100111111101101000001000011010110011₂
• Hexadecimal: 0x9FDA086B3
• Base-36: JPNF92R

Squares and roots of 42909861555

• 42909861555 squared (42909861555²) is 1841256218669267018025
• 42909861555 cubed (42909861555³) is 79008049430381054076780439528875
• The square root of 42909861555 is 207146.9564222463
• The cube root of 42909861555 is 3500.9483567525

Scales and comparisons

• 42,909,861,555 seconds is equal to 1,364 years, 20 weeks, 5 days, 21 hours, 59 minutes, 15 seconds.
• To count from 1 to 42,909,861,555 would take you about two thousand, seven hundred twenty-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 42909861555 cubic inches would be around 291.7 feet tall.

Recreational maths with 42909861555

• 42909861555 backwards is 55516890924
• The number of decimal digits it has is: 11
• The sum of 42909861555's digits is 54
• More coming soon!