30689442

Names of 30689442

• Cardinal: 30689442 can be written as Thirty million, six hundred eighty-nine thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 3.0689442 × 10⁷

Factors of 30689442

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 140

Divisors of 30689442

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 31 42 54 62 63 81 93 97 126 162 186 189 194 217 243 279 291 378 434 486 558 567 582 651 679 729 837 873 1134 1302 1358 1458 1674 1701 1746 1953 2037 2511 2619 3007 3402 3906 4074 5022 5103 5238 5859 6014 6111 7533 7857 9021 10206 11718 12222 15066 15714 17577 18042 18333 21049 22599 23571 27063 35154 36666 42098 45198 47142 52731 54126 54999 63147 70713 81189 105462 109998 126294 141426 158193 162378 164997 189441 243567 316386 329994 378882 487134 494991 568323 730701 989982 1136646 1461402 1704969 2192103 3409938 4384206 5114907 10229814 15344721 30689442
• Sum of all divisors σ(n): 82263552
• Sum of proper divisors (its aliquot sum) s(n): 51574110
• 30689442 is an abundant number, because the sum of its proper divisors (51574110) is greater than itself. Its abundance is 20884668

Bases of 30689442

• Binary: 1110101000100100010100010₂
• Hexadecimal: 0x1D448A2
• Base-36: I9S4I

Squares and roots of 30689442

• 30689442 squared (30689442²) is 941841850271364
• 30689442 cubed (30689442³) is 28904600837075709738888
• The square root of 30689442 is 5539.8052312333
• The cube root of 30689442 is 313.0855308997

Scales and comparisons

• 30,689,442 seconds is equal to 50 weeks, 5 days, 4 hours, 50 minutes, 42 seconds.
• To count from 1 to 30,689,442 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 30689442 cubic inches would be around 26.1 feet tall.

Recreational maths with 30689442

• 30689442 backwards is 24498603
• The number of decimal digits it has is: 8
• The sum of 30689442's digits is 36
• More coming soon!