809490739408

Names of 809490739408

• Cardinal: 809490739408 can be written as Eight hundred nine billion, four hundred ninety million, seven hundred thirty-nine thousand, four hundred eight.

Scientific notation

• Scientific notation: 8.09490739408 × 10¹¹

Factors of 809490739408

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 524873

Divisors of 809490739408

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 8 13 16 26 52 104 169 208 338 571 676 1142 1352 2284 2704 4568 7423 9136 14846 29692 59384 96499 118768 192998 385996 524287 771992 1048574 1543984 2097148 4194296 6815731 8388592 13631462 27262924 54525848 88604503 109051696 177209006 299367877 354418012 598735754 708836024 1197471508 1417672048 2394943016 3891782401 4789886032 7783564802 15567129604 31134259208 50593171213 62268518416 101186342426 202372684852 404745369704 809490739408
• Sum of all divisors σ(n): 1701291491328
• Sum of proper divisors (its aliquot sum) s(n): 891800751920
• 809490739408 is an abundant number, because the sum of its proper divisors (891800751920) is greater than itself. Its abundance is 82310012512

Bases of 809490739408

• Binary: 1011110001111001011010000111000011010000₂
• Hexadecimal: 0xBC796870D0
• Base-36: ABVHVW0G

Squares and roots of 809490739408

• 809490739408 squared (809490739408²) is 655275257187310564190464
• 809490739408 cubed (809490739408³) is 530439252456323394961468350302605312
• The square root of 809490739408 is 899717.0329653651
• The cube root of 809490739408 is 9319.7435390879

Scales and comparisons

• 809,490,739,408 seconds is equal to 25,739 years, 15 weeks, 4 days, 18 hours, 43 minutes, 28 seconds.
• To count from 1 to 809,490,739,408 would take you about fifty-one thousand, four hundred seventy-eight 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 809490739408 cubic inches would be around 776.6 feet tall.

Recreational maths with 809490739408

• 809490739408 backwards is 804937094908
• The number of decimal digits it has is: 12
• The sum of 809490739408's digits is 61
• More coming soon!