30634890

Names of 30634890

• Cardinal: 30634890 can be written as Thirty million, six hundred thirty-four thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 3.063489 × 10⁷

Factors of 30634890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 264

Divisors of 30634890

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 11 13 15 22 26 30 33 37 39 55 65 66 74 78 110 111 130 143 165 185 193 195 222 286 330 370 386 390 407 429 481 555 579 715 814 858 962 965 1110 1158 1221 1430 1443 1930 2035 2123 2145 2405 2442 2509 2886 2895 4070 4246 4290 4810 5018 5291 5790 6105 6369 7141 7215 7527 10582 10615 12210 12545 12738 14282 14430 15054 15873 21230 21423 25090 26455 27599 31746 31845 35705 37635 42846 52910 55198 63690 71410 75270 78551 79365 82797 92833 107115 137995 157102 158730 165594 185666 214230 235653 275990 278499 392755 413985 464165 471306 556998 785510 827970 928330 1021163 1178265 1392495 2042326 2356530 2784990 3063489 5105815 6126978 10211630 15317445 30634890
• Sum of all divisors σ(n): 89171712
• Sum of proper divisors (its aliquot sum) s(n): 58536822
• 30634890 is an abundant number, because the sum of its proper divisors (58536822) is greater than itself. Its abundance is 27901932

Bases of 30634890

• Binary: 1110100110111001110001010₂
• Hexadecimal: 0x1D3738A
• Base-36: I8M16

Squares and roots of 30634890

• 30634890 squared (30634890²) is 938496485312100
• 30634890 cubed (30634890³) is 28750736592922799169000
• The square root of 30634890 is 5534.8794024803
• The cube root of 30634890 is 312.8999125389

Scales and comparisons

• 30,634,890 seconds is equal to 50 weeks, 4 days, 13 hours, 41 minutes, 30 seconds.
• To count from 1 to 30,634,890 would take you about twenty-three 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 30634890 cubic inches would be around 26.1 feet tall.

Recreational maths with 30634890

• 30634890 backwards is 09843603
• 30634890 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30634890's digits is 33
• More coming soon!