47193993

Names of 47193993

• Cardinal: 47193993 can be written as Forty-seven million, one hundred ninety-three thousand, nine hundred ninety-three.

Scientific notation

• Scientific notation: 4.7193993 × 10⁷

Factors of 47193993

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 213

Divisors of 47193993

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 11 21 33 41 63 77 99 121 123 151 231 287 363 369 451 453 693 847 861 1057 1089 1353 1359 1661 2541 2583 3157 3171 4059 4961 4983 6191 7623 9471 9513 11627 14883 14949 18271 18573 28413 34727 34881 43337 44649 54813 55719 68101 104181 104643 127897 130011 164439 204303 312543 383691 390033 476707 612909 749111 1151073 1430121 2247333 4290363 5243777 6741999 15731331 47193993
• Sum of all divisors σ(n): 88303488
• Sum of proper divisors (its aliquot sum) s(n): 41109495
• 47193993 is a deficient number, because the sum of its proper divisors (41109495) is less than itself. Its deficiency is 6084498

Bases of 47193993

• Binary: 10110100000001111110001001₂
• Hexadecimal: 0x2D01F89
• Base-36: S3J49

Squares and roots of 47193993

• 47193993 squared (47193993²) is 2227272975284049
• 47193993 cubed (47193993³) is 105113905204644581517657
• The square root of 47193993 is 6869.7884246897
• The cube root of 47193993 is 361.3784420527

Scales and comparisons

• 47,193,993 seconds is equal to 1 year, 26 weeks, 5 hours, 26 minutes, 33 seconds.
• To count from 1 to 47,193,993 would take you about two 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 47193993 cubic inches would be around 30.1 feet tall.

Recreational maths with 47193993

• 47193993 backwards is 39939174
• The number of decimal digits it has is: 8
• The sum of 47193993's digits is 45
• More coming soon!