28429170

Names of 28429170

• Cardinal: 28429170 can be written as Twenty-eight million, four hundred twenty-nine thousand, one hundred seventy.

Scientific notation

• Scientific notation: 2.842917 × 10⁷

Factors of 28429170

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 456

Divisors of 28429170

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 11 14 15 21 22 30 31 33 35 42 55 62 66 70 77 93 105 110 154 155 165 186 210 217 231 310 330 341 385 397 434 462 465 651 682 770 794 930 1023 1085 1155 1191 1302 1705 1985 2046 2170 2310 2382 2387 2779 3255 3410 3970 4367 4774 5115 5558 5955 6510 7161 8337 8734 10230 11910 11935 12307 13101 13895 14322 16674 21835 23870 24614 26202 27790 30569 35805 36921 41685 43670 61138 61535 65505 71610 73842 83370 86149 91707 123070 131010 135377 152845 172298 183414 184605 258447 270754 305690 369210 406131 430745 458535 516894 676885 812262 861490 917070 947639 1292235 1353770 1895278 2030655 2584470 2842917 4061310 4738195 5685834 9476390 14214585 28429170
• Sum of all divisors σ(n): 88031232
• Sum of proper divisors (its aliquot sum) s(n): 59602062
• 28429170 is an abundant number, because the sum of its proper divisors (59602062) is greater than itself. Its abundance is 31172892

Bases of 28429170

• Binary: 1101100011100101101110010₂
• Hexadecimal: 0x1B1CB72
• Base-36: GXC36

Squares and roots of 28429170

• 28429170 squared (28429170²) is 808217706888900
• 28429170 cubed (28429170³) is 22976958586154709213000
• The square root of 28429170 is 5331.9011618747
• The cube root of 28429170 is 305.2024813327

Scales and comparisons

• 28,429,170 seconds is equal to 47 weeks, 59 minutes, 30 seconds.
• To count from 1 to 28,429,170 would take you about eighteen 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 28429170 cubic inches would be around 25.4 feet tall.

Recreational maths with 28429170

• 28429170 backwards is 07192482
• 28429170 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28429170's digits is 33
• More coming soon!