1440385668

Names of 1440385668

• Cardinal: 1440385668 can be written as One billion, four hundred forty million, three hundred eighty-five thousand, six hundred sixty-eight.

Scientific notation

• Scientific notation: 1.440385668 × 10⁹

Factors of 1440385668

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 970

Divisors of 1440385668

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 9 12 18 19 36 38 57 76 114 137 171 228 274 342 361 411 548 684 722 809 822 1083 1233 1444 1618 1644 2166 2427 2466 2603 3236 3249 4332 4854 4932 5206 6498 7281 7809 9708 10412 12996 14562 15371 15618 23427 29124 30742 31236 46113 46854 49457 61484 92226 93708 98914 110833 138339 148371 184452 197828 221666 276678 292049 296742 332499 443332 445113 553356 584098 593484 664998 876147 890226 997497 1168196 1329996 1752294 1780452 1994994 2105827 2628441 3504588 3989988 4211654 5256882 6317481 8423308 10513764 12634962 18952443 25269924 37904886 40010713 75809772 80021426 120032139 160042852 240064278 360096417 480128556 720192834 1440385668
• Sum of all divisors σ(n): 3875524380
• Sum of proper divisors (its aliquot sum) s(n): 2435138712
• 1440385668 is an abundant number, because the sum of its proper divisors (2435138712) is greater than itself. Its abundance is 994753044

Bases of 1440385668

• Binary: 1010101110110101000101010000100₂
• Hexadecimal: 0x55DA8A84
• Base-36: NTKGP0

Squares and roots of 1440385668

• 1440385668 squared (1440385668²) is 2074710872579806224
• 1440385668 cubed (1440385668³) is 2988383806107727071266797632
• The square root of 1440385668 is 37952.4132039057
• The cube root of 1440385668 is 1129.3440388483

Scales and comparisons

• 1,440,385,668 seconds is equal to 45 years, 41 weeks, 4 days, 3 hours, 7 minutes, 48 seconds.
• To count from 1 to 1,440,385,668 would take you about ninety-one 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 1440385668 cubic inches would be around 94.1 feet tall.

Recreational maths with 1440385668

• 1440385668 backwards is 8665830441
• The number of decimal digits it has is: 10
• The sum of 1440385668's digits is 45
• More coming soon!