102240

Names of 102240

• Cardinal: 102240 can be written as One hundred two thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.0224 × 10⁵

Factors of 102240

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 81

Divisors of 102240

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 71 72 80 90 96 120 142 144 160 180 213 240 284 288 355 360 426 480 568 639 710 720 852 1065 1136 1278 1420 1440 1704 2130 2272 2556 2840 3195 3408 4260 5112 5680 6390 6816 8520 10224 11360 12780 17040 20448 25560 34080 51120 102240
• Sum of all divisors σ(n): 353808
• Sum of proper divisors (its aliquot sum) s(n): 251568
• 102240 is an abundant number, because the sum of its proper divisors (251568) is greater than itself. Its abundance is 149328

Bases of 102240

• Binary: 11000111101100000₂
• Hexadecimal: 0x18F60
• Base-36: 26W0

Squares and roots of 102240

• 102240 squared (102240²) is 10453017600
• 102240 cubed (102240³) is 1068716519424000
• The square root of 102240 is 319.7499022673
• The cube root of 102240 is 46.7599042949

Scales and comparisons

• 102,240 seconds is equal to 1 day, 4 hours, 24 minutes.
• To count from 1 to 102,240 would take you about four hours.

  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 102240 cubic inches would be around 3.9 feet tall.

Recreational maths with 102240

• 102240 backwards is 042201
• 102240 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 102240's digits is 9
• More coming soon!