142020450

Names of 142020450

• Cardinal: 142020450 can be written as One hundred forty-two million, twenty thousand, four hundred fifty.

Scientific notation

• Scientific notation: 1.4202045 × 10⁸

Factors of 142020450

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2241

Divisors of 142020450

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 11 13 15 18 22 25 26 30 33 39 45 50 55 65 66 75 78 90 99 110 117 130 143 150 165 195 198 225 234 275 286 325 330 390 429 450 495 550 585 650 715 825 858 975 990 1170 1287 1430 1650 1950 2145 2207 2475 2574 2925 3575 4290 4414 4950 5850 6435 6621 7150 10725 11035 12870 13242 19863 21450 22070 24277 28691 32175 33105 39726 48554 55175 57382 64350 66210 72831 86073 99315 110350 121385 143455 145662 165525 172146 198630 218493 242770 258219 286910 315601 331050 364155 430365 436986 496575 516438 606925 631202 717275 728310 860730 946803 993150 1092465 1213850 1291095 1434550 1578005 1820775 1893606 2151825 2184930 2582190 2840409 3156010 3641550 4303650 4734015 5462325 5680818 6455475 7890025 9468030 10924650 12910950 14202045 15780050 23670075 28404090 47340150 71010225 142020450
• Sum of all divisors σ(n): 448471296
• Sum of proper divisors (its aliquot sum) s(n): 306450846
• 142020450 is an abundant number, because the sum of its proper divisors (306450846) is greater than itself. Its abundance is 164430396

Bases of 142020450

• Binary: 1000011101110000111101100010₂
• Hexadecimal: 0x8770F62
• Base-36: 2CJZOI

Squares and roots of 142020450

• 142020450 squared (142020450²) is 20169808218202500
• 142020450 cubed (142020450³) is 2864525239562817241125000
• The square root of 142020450 is 11917.2333198607
• The cube root of 142020450 is 521.7353879713

Scales and comparisons

• 142,020,450 seconds is equal to 4 years, 26 weeks, 5 days, 18 hours, 7 minutes, 30 seconds.
• To count from 1 to 142,020,450 would take you about six 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 142020450 cubic inches would be around 43.5 feet tall.

Recreational maths with 142020450

• 142020450 backwards is 054020241
• 142020450 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 142020450's digits is 18
• More coming soon!