30872772

Names of 30872772

• Cardinal: 30872772 can be written as Thirty million, eight hundred seventy-two thousand, seven hundred seventy-two.

Scientific notation

• Scientific notation: 3.0872772 × 10⁷

Factors of 30872772

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 530

Divisors of 30872772

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 97 108 126 189 194 252 291 378 388 421 582 679 756 842 873 1164 1263 1358 1684 1746 2037 2526 2619 2716 2947 3492 3789 4074 5052 5238 5894 6111 7578 8148 8841 10476 11367 11788 12222 15156 17682 18333 22734 24444 26523 35364 36666 40837 45468 53046 73332 79569 81674 106092 122511 159138 163348 245022 285859 318276 367533 490044 571718 735066 857577 1102599 1143436 1470132 1715154 2205198 2572731 3430308 4410396 5145462 7718193 10290924 15436386 30872772
• Sum of all divisors σ(n): 92637440
• Sum of proper divisors (its aliquot sum) s(n): 61764668
• 30872772 is an abundant number, because the sum of its proper divisors (61764668) is greater than itself. Its abundance is 30891896

Bases of 30872772

• Binary: 1110101110001010011000100₂
• Hexadecimal: 0x1D714C4
• Base-36: IDPL0

Squares and roots of 30872772

• 30872772 squared (30872772²) is 953128050963984
• 30872772 cubed (30872772³) is 29425705004215458243648
• The square root of 30872772 is 5556.3272041879
• The cube root of 30872772 is 313.7077215879

Scales and comparisons

• 30,872,772 seconds is equal to 51 weeks, 7 hours, 46 minutes, 12 seconds.
• To count from 1 to 30,872,772 would take you about twenty-four weeks!

  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 30872772 cubic inches would be around 26.1 feet tall.

Recreational maths with 30872772

• 30872772 backwards is 27727803
• 30872772 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30872772's digits is 36
• More coming soon!