4200121856

Names of 4200121856

• Cardinal: 4200121856 can be written as Four billion, two hundred million, one hundred twenty-one thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 4.200121856 × 10⁹

Factors of 4200121856

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 8579

Divisors of 4200121856

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 128 139 224 256 278 448 512 556 896 973 1112 1792 1946 2224 3584 3892 4448 7784 8431 8896 15568 16862 17792 31136 33724 35584 59017 62272 67448 71168 118034 124544 134896 236068 249088 269792 472136 498176 539584 944272 1079168 1171909 1888544 2158336 2343818 3777088 4316672 4687636 7554176 8203363 9375272 15108352 16406726 18750544 30216704 32813452 37501088 65626904 75002176 131253808 150004352 262507616 300008704 525015232 600017408 1050030464 2100060928 4200121856
• Sum of all divisors σ(n): 9661048320
• Sum of proper divisors (its aliquot sum) s(n): 5460926464
• 4200121856 is an abundant number, because the sum of its proper divisors (5460926464) is greater than itself. Its abundance is 1260804608

Bases of 4200121856

• Binary: 11111010010110001100011000000000₂
• Hexadecimal: 0xFA58C600
• Base-36: 1XGN6RK

Squares and roots of 4200121856

• 4200121856 squared (4200121856²) is 17641023605248884736
• 4200121856 cubed (4200121856³) is 74094448806617757099298390016
• The square root of 4200121856 is 64808.3471167103
• The cube root of 4200121856 is 1613.4442495213

Scales and comparisons

• 4,200,121,856 seconds is equal to 133 years, 28 weeks, 4 days, 12 hours, 30 minutes, 56 seconds.
• To count from 1 to 4,200,121,856 would take you about two hundred sixty-seven 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 4200121856 cubic inches would be around 134.5 feet tall.

Recreational maths with 4200121856

• 4200121856 backwards is 6581210024
• The number of decimal digits it has is: 10
• The sum of 4200121856's digits is 29
• More coming soon!