225142225

Names of 225142225

• Cardinal: 225142225 can be written as Two hundred twenty-five million, one hundred forty-two thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 2.25142225 × 10⁸

Factors of 225142225

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 198

Divisors of 225142225

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 7 11 25 29 35 37 55 77 109 145 175 185 203 259 275 319 385 407 545 725 763 925 1015 1073 1199 1295 1595 1925 2035 2233 2725 2849 3161 3815 4033 5075 5365 5995 6475 7511 7975 8393 10175 11165 11803 14245 15805 19075 20165 22127 26825 28231 29975 34771 37555 41965 44363 55825 59015 71225 79025 82621 100825 110635 116957 141155 173855 187775 209825 221815 243397 295075 310541 413105 553175 584785 705775 818699 869275 1109075 1216985 1286527 1552705 2065525 2923925 4093495 6084925 6432635 7763525 9005689 20467475 32163175 45028445 225142225
• Sum of all divisors σ(n): 373190400
• Sum of proper divisors (its aliquot sum) s(n): 148048175
• 225142225 is a deficient number, because the sum of its proper divisors (148048175) is less than itself. Its deficiency is 77094050

Bases of 225142225

• Binary: 1101011010110110010111010001₂
• Hexadecimal: 0xD6B65D1
• Base-36: 3Q1KUP

Squares and roots of 225142225

• 225142225 squared (225142225²) is 50689021477950625
• 225142225 cubed (225142225³) is 11412239078618592152640625
• The square root of 225142225 is 15004.7400843867
• The cube root of 225142225 is 608.3483268129

Scales and comparisons

• 225,142,225 seconds is equal to 7 years, 8 weeks, 1 day, 19 hours, 30 minutes, 25 seconds.
• To count from 1 to 225,142,225 would take you about ten 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 225142225 cubic inches would be around 50.7 feet tall.

Recreational maths with 225142225

• 225142225 backwards is 522241522
• 225142225 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 225142225's digits is 25
• More coming soon!