1409809905

Names of 1409809905

• Cardinal: 1409809905 can be written as One billion, four hundred nine million, eight hundred nine thousand, nine hundred five.

Scientific notation

• Scientific notation: 1.409809905 × 10⁹

Factors of 1409809905

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 588

Divisors of 1409809905

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 9 15 21 35 45 63 79 105 181 237 313 315 395 543 553 711 905 939 1185 1267 1565 1629 1659 2191 2715 2765 2817 3555 3801 4695 4977 6335 6573 8145 8295 10955 11403 14085 14299 19005 19719 24727 24885 32865 42897 56653 57015 71495 74181 98595 100093 123635 128691 169959 173089 214485 222543 283265 300279 370905 396571 500465 509877 519267 643455 849795 865445 900837 1112715 1189713 1501395 1557801 1982855 2549385 2596335 3569139 4475587 4504185 5948565 7789005 13426761 17845695 22377935 31329109 40280283 67133805 93987327 156645545 201401415 281961981 469936635 1409809905
• Sum of all divisors σ(n): 2852828160
• Sum of proper divisors (its aliquot sum) s(n): 1443018255
• 1409809905 is an abundant number, because the sum of its proper divisors (1443018255) is greater than itself. Its abundance is 33208350

Bases of 1409809905

• Binary: 1010100000001111111110111110001₂
• Hexadecimal: 0x5407FDF1
• Base-36: NBD4A9

Squares and roots of 1409809905

• 1409809905 squared (1409809905²) is 1987563968236109025
• 1409809905 cubed (1409809905³) is 2802087369240371882104892625
• The square root of 1409809905 is 37547.4353984397
• The cube root of 1409809905 is 1121.2957752105

Scales and comparisons

• 1,409,809,905 seconds is equal to 44 years, 43 weeks, 5 hours, 51 minutes, 45 seconds.
• To count from 1 to 1,409,809,905 would take you about eighty-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 1409809905 cubic inches would be around 93.4 feet tall.

Recreational maths with 1409809905

• 1409809905 backwards is 5099089041
• 1409809905 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1409809905's digits is 45
• More coming soon!