29980890

Names of 29980890

• Cardinal: 29980890 can be written as Twenty-nine million, nine hundred eighty thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 2.998089 × 10⁷

Factors of 29980890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 241

Divisors of 29980890

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 30 43 45 61 86 90 122 127 129 183 215 254 258 305 366 381 387 430 549 610 635 645 762 774 915 1098 1143 1270 1290 1830 1905 1935 2286 2623 2745 3810 3870 5246 5461 5490 5715 7747 7869 10922 11430 13115 15494 15738 16383 23241 23607 26230 27305 32766 38735 39345 46482 47214 49149 54610 69723 77470 78690 81915 98298 116205 118035 139446 163830 232410 236070 245745 333121 348615 491490 666242 697230 999363 1665605 1998726 2998089 3331210 4996815 5996178 9993630 14990445 29980890
• Sum of all divisors σ(n): 81709056
• Sum of proper divisors (its aliquot sum) s(n): 51728166
• 29980890 is an abundant number, because the sum of its proper divisors (51728166) is greater than itself. Its abundance is 21747276

Bases of 29980890

• Binary: 1110010010111100011011010₂
• Hexadecimal: 0x1C978DA
• Base-36: HULEI

Squares and roots of 29980890

• 29980890 squared (29980890²) is 898853765192100
• 29980890 cubed (29980890³) is 26948435860310178969000
• The square root of 29980890 is 5475.4808008065
• The cube root of 29980890 is 310.6572596777

Scales and comparisons

• 29,980,890 seconds is equal to 49 weeks, 4 days, 1 minute, 30 seconds.
• To count from 1 to 29,980,890 would take you about twenty-two 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 29980890 cubic inches would be around 25.9 feet tall.

Recreational maths with 29980890

• 29980890 backwards is 09808992
• 29980890 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 29980890's digits is 45
• More coming soon!