428918906432

Names of 428918906432

• Cardinal: 428918906432 can be written as Four hundred twenty-eight billion, nine hundred eighteen million, nine hundred six thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 4.28918906432 × 10¹¹

Factors of 428918906432

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 138609

Divisors of 428918906432

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 8 16 32 64 179 271 358 542 716 1084 1432 2168 2864 4336 5728 8672 11456 17344 48509 97018 138157 194036 276314 388072 552628 776144 1105256 1552288 2210512 3104576 4421024 8842048 24730103 37440547 49460206 74881094 98920412 149762188 197840824 299524376 395681648 599048752 791363296 1198097504 1582726592 2396195008 6701857913 13403715826 26807431652 53614863304 107229726608 214459453216 428918906432
• Sum of all divisors σ(n): 859055391360
• Sum of proper divisors (its aliquot sum) s(n): 430136484928
• 428918906432 is an abundant number, because the sum of its proper divisors (430136484928) is greater than itself. Its abundance is 1217578496

Bases of 428918906432

• Binary: 110001111011101100011110001111001000000₂
• Hexadecimal: 0x63DD8F1E40
• Base-36: 5H1J8QBK

Squares and roots of 428918906432

• 428918906432 squared (428918906432²) is 183971428294822770970624
• 428918906432 cubed (428918906432³) is 78908823838948485411972041276653568
• The square root of 428918906432 is 654919.0075360463
• The cube root of 428918906432 is 7541.5114834135

Scales and comparisons

• 428,918,906,432 seconds is equal to 13,638 years, 15 weeks, 2 days, 4 hours, 40 minutes, 32 seconds.
• To count from 1 to 428,918,906,432 would take you about twenty-seven thousand, two hundred seventy-six 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 428918906432 cubic inches would be around 628.5 feet tall.

Recreational maths with 428918906432

• 428918906432 backwards is 234609819824
• The number of decimal digits it has is: 12
• The sum of 428918906432's digits is 56
• More coming soon!