3918825225

Names of 3918825225

• Cardinal: 3918825225 can be written as Three billion, nine hundred eighteen million, eight hundred twenty-five thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 3.918825225 × 10⁹

Factors of 3918825225

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1211

Divisors of 3918825225

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 7 9 15 21 25 27 35 45 49 63 75 105 109 135 147 175 189 225 245 315 327 441 525 545 675 735 763 945 981 1087 1225 1323 1575 1635 2205 2289 2725 2943 3261 3675 3815 4725 4905 5341 5435 6615 6867 7609 8175 9783 11025 11445 14715 16023 16305 19075 20601 22827 24525 26705 27175 29349 33075 34335 38045 48069 48915 53263 57225 68481 73575 80115 81525 103005 114135 118483 133525 144207 146745 159789 171675 190225 205443 240345 244575 266315 342405 355449 400575 479367 515025 570675 592415 721035 733725 798945 829381 1027215 1066347 1201725 1331575 1438101 1712025 1777245 2396835 2488143 2962075 3199041 3605175 3994725 4146905 5136075 5331735 5805667 7190505 7464429 8886225 11984175 12440715 15995205 17417001 20734525 22393287 26658675 29028335 35952525 37322145 52251003 62203575 79976025 87085005 111966435 145141675 156753009 186610725 261255015 435425025 559832175 783765045 1306275075 3918825225
• Sum of all divisors σ(n): 8458982400
• Sum of proper divisors (its aliquot sum) s(n): 4540157175
• 3918825225 is an abundant number, because the sum of its proper divisors (4540157175) is greater than itself. Its abundance is 621331950

Bases of 3918825225

• Binary: 11101001100101001000011100001001₂
• Hexadecimal: 0xE9948709
• Base-36: 1ST60W9

Squares and roots of 3918825225

• 3918825225 squared (3918825225²) is 15357191144096300625
• 3918825225 cubed (3918825225³) is 60182148040631192718433265625
• The square root of 3918825225 is 62600.5209642859
• The cube root of 3918825225 is 1576.5895064251

Scales and comparisons

• 3,918,825,225 seconds is equal to 124 years, 31 weeks, 3 days, 18 hours, 33 minutes, 45 seconds.
• To count from 1 to 3,918,825,225 would take you about two hundred forty-nine 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 3918825225 cubic inches would be around 131.4 feet tall.

Recreational maths with 3918825225

• 3918825225 backwards is 5225288193
• 3918825225 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 3918825225's digits is 45
• More coming soon!