542215947

Names of 542215947

• Cardinal: 542215947 can be written as Five hundred forty-two million, two hundred fifteen thousand, nine hundred forty-seven.

Scientific notation

• Scientific notation: 5.42215947 × 10⁸

Factors of 542215947

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 944

Divisors of 542215947

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 13 21 31 39 79 91 93 217 237 273 403 553 651 811 1027 1209 1659 2433 2449 2821 3081 5677 7189 7347 8463 10543 17031 17143 21567 25141 31629 31837 51429 64069 73801 75423 95511 175987 192207 221403 222859 326833 448483 527961 668577 832897 980499 1345449 1986139 2287831 2498691 5830279 5958417 6863493 13902973 17490837 25819807 41708919 77459421 180738649 542215947
• Sum of all divisors σ(n): 931266560
• Sum of proper divisors (its aliquot sum) s(n): 389050613
• 542215947 is a deficient number, because the sum of its proper divisors (389050613) is less than itself. Its deficiency is 153165334

Bases of 542215947

• Binary: 100000010100011000111100001011₂
• Hexadecimal: 0x20518F0B
• Base-36: 8YTKI3

Squares and roots of 542215947

• 542215947 squared (542215947²) is 293998133181106809
• 542215947 cubed (542215947³) is 159410476199025950950083123
• The square root of 542215947 is 23285.5308507235
• The cube root of 542215947 is 815.4376547087

Scales and comparisons

• 542,215,947 seconds is equal to 17 years, 12 weeks, 3 days, 15 hours, 32 minutes, 27 seconds.
• To count from 1 to 542,215,947 would take you about twenty-five 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 542215947 cubic inches would be around 68 feet tall.

Recreational maths with 542215947

• 542215947 backwards is 749512245
• 542215947 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 542215947's digits is 39
• More coming soon!