19419478720

Names of 19419478720

• Cardinal: 19419478720 can be written as Nineteen billion, four hundred nineteen million, four hundred seventy-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.941947872 × 10¹⁰

Factors of 19419478720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1796

Divisors of 19419478720

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 139 160 278 320 331 556 662 695 1112 1319 1324 1390 1655 2224 2638 2648 2780 3310 4448 5276 5296 5560 6595 6620 8896 10552 10592 11120 13190 13240 21104 21184 22240 26380 26480 42208 44480 46009 52760 52960 84416 92018 105520 105920 183341 184036 211040 230045 366682 368072 422080 436589 460090 733364 736144 873178 916705 920180 1466728 1472288 1746356 1833410 1840360 2182945 2933456 2944576 3492712 3666820 3680720 4365890 5866912 6985424 7333640 7361440 8731780 11733824 13970848 14667280 14722880 17463560 27941696 29334560 34927120 58669120 60685871 69854240 121371742 139708480 242743484 303429355 485486968 606858710 970973936 1213717420 1941947872 2427434840 3883895744 4854869680 9709739360 19419478720
• Sum of all divisors σ(n): 46751443200
• Sum of proper divisors (its aliquot sum) s(n): 27331964480
• 19419478720 is an abundant number, because the sum of its proper divisors (27331964480) is greater than itself. Its abundance is 7912485760

Bases of 19419478720

• Binary: 10010000101011111011011101011000000₂
• Hexadecimal: 0x4857DBAC0
• Base-36: 8X5UTOG

Squares and roots of 19419478720

• 19419478720 squared (19419478720²) is 377116153756532838400
• 19419478720 cubed (19419478720³) is 7323399122843237516289998848000
• The square root of 19419478720 is 139353.7897582983
• The cube root of 19419478720 is 2687.8963814695

Scales and comparisons

• 19,419,478,720 seconds is equal to 617 years, 24 weeks, 6 days, 11 hours, 38 minutes, 40 seconds.
• To count from 1 to 19,419,478,720 would take you about one thousand, two hundred thirty-four 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 19419478720 cubic inches would be around 224 feet tall.

Recreational maths with 19419478720

• 19419478720 backwards is 02787491491
• The number of decimal digits it has is: 11
• The sum of 19419478720's digits is 52
• More coming soon!