2121827401

Names of 2121827401

• Cardinal: 2121827401 can be written as Two billion, one hundred twenty-one million, eight hundred twenty-seven thousand, four hundred one.

Scientific notation

• Scientific notation: 2.121827401 × 10⁹

Factors of 2121827401

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1312198

Divisors of 2121827401

• Number of divisors d(n): 4
• Complete list of divisors:
  1 1619 1310579 2121827401
• Sum of all divisors σ(n): 2123139600
• Sum of proper divisors (its aliquot sum) s(n): 1312199
• 2121827401 is a deficient number, because the sum of its proper divisors (1312199) is less than itself. Its deficiency is 2120515202

Bases of 2121827401

• Binary: 1111110011110001000010001001001₂
• Hexadecimal: 0x7E788449
• Base-36: Z3A4I1

Squares and roots of 2121827401

• 2121827401 squared (2121827401²) is 4502151519634414801
• 2121827401 cubed (2121827401³) is 9552788457814090827361762201
• The square root of 2121827401 is 46063.2977651405
• The cube root of 2121827401 is 1285.0006613269

Scales and comparisons

• 2,121,827,401 seconds is equal to 67 years, 24 weeks, 2 days, 4 hours, 30 minutes, 1 second.
• To count from 1 to 2,121,827,401 would take you about one hundred thirty-four 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 2121827401 cubic inches would be around 107.1 feet tall.

Recreational maths with 2121827401

• 2121827401 backwards is 1047281212
• The number of decimal digits it has is: 10
• The sum of 2121827401's digits is 28
• More coming soon!