2021146722

Names of 2021146722

• Cardinal: 2021146722 can be written as Two billion, twenty-one million, one hundred forty-six thousand, seven hundred twenty-two.

Scientific notation

• Scientific notation: 2.021146722 × 10⁹

Factors of 2021146722

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 34226

Divisors of 2021146722

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 126 157 189 314 378 471 942 1099 1413 2198 2826 3297 4239 6594 8478 9891 19782 29673 34057 59346 68114 102171 204342 238399 306513 476798 613026 715197 919539 1430394 1839078 2145591 4291182 5346949 6436773 10693898 12873546 16040847 32081694 37428643 48122541 74857286 96245082 112285929 144367623 224571858 288735246 336857787 673715574 1010573361 2021146722
• Sum of all divisors σ(n): 5165917440
• Sum of proper divisors (its aliquot sum) s(n): 3144770718
• 2021146722 is an abundant number, because the sum of its proper divisors (3144770718) is greater than itself. Its abundance is 1123623996

Bases of 2021146722

• Binary: 1111000011110000100000001100010₂
• Hexadecimal: 0x78784062
• Base-36: XFC6SI

Squares and roots of 2021146722

• 2021146722 squared (2021146722²) is 4085034071851345284
• 2021146722 cubed (2021146722³) is 8256453223580658992046759048
• The square root of 2021146722 is 44957.1654133131
• The cube root of 2021146722 is 1264.3460240939

Scales and comparisons

• 2,021,146,722 seconds is equal to 64 years, 13 weeks, 5 days, 21 hours, 38 minutes, 42 seconds.
• To count from 1 to 2,021,146,722 would take you about one 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 2021146722 cubic inches would be around 105.4 feet tall.

Recreational maths with 2021146722

• 2021146722 backwards is 2276411202
• 2021146722 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2021146722's digits is 27
• More coming soon!