42156450

Names of 42156450

• Cardinal: 42156450 can be written as Forty-two million, one hundred fifty-six thousand, four hundred fifty.

Scientific notation

• Scientific notation: 4.215645 × 10⁷

Factors of 42156450

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1504

Divisors of 42156450

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 42 45 50 54 63 70 75 81 90 105 126 135 150 162 175 189 210 225 270 315 350 378 405 450 525 567 630 675 810 945 1050 1134 1350 1487 1575 1890 2025 2835 2974 3150 4050 4461 4725 5670 7435 8922 9450 10409 13383 14175 14870 20818 22305 26766 28350 31227 37175 40149 44610 52045 62454 66915 74350 80298 93681 104090 111525 120447 133830 156135 187362 200745 223050 240894 260225 281043 312270 334575 401490 468405 520450 562086 602235 669150 780675 843129 936810 1003725 1204470 1405215 1561350 1686258 2007450 2342025 2810430 3011175 4215645 4684050 6022350 7026075 8431290 14052150 21078225 42156450
• Sum of all divisors σ(n): 133955712
• Sum of proper divisors (its aliquot sum) s(n): 91799262
• 42156450 is an abundant number, because the sum of its proper divisors (91799262) is greater than itself. Its abundance is 49642812

Bases of 42156450

• Binary: 10100000110100000110100010₂
• Hexadecimal: 0x28341A2
• Base-36: P3K4I

Squares and roots of 42156450

• 42156450 squared (42156450²) is 1777166276602500
• 42156450 cubed (42156450³) is 74919021281279461125000
• The square root of 42156450 is 6492.7998583045
• The cube root of 42156450 is 348.0337363251

Scales and comparisons

• 42,156,450 seconds is equal to 1 year, 17 weeks, 4 days, 22 hours, 7 minutes, 30 seconds.
• To count from 1 to 42,156,450 would take you about two years!

  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 42156450 cubic inches would be around 29 feet tall.

Recreational maths with 42156450

• 42156450 backwards is 05465124
• 42156450 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42156450's digits is 27
• More coming soon!