39940904016

Names of 39940904016

• Cardinal: 39940904016 can be written as Thirty-nine billion, nine hundred forty million, nine hundred four thousand and sixteen.

Scientific notation

• Scientific notation: 3.9940904016 × 10¹⁰

Factors of 39940904016

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 21335971

Divisors of 39940904016

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 144 156 208 234 312 468 624 936 1872 21335953 42671906 64007859 85343812 128015718 170687624 192023577 256031436 277367389 341375248 384047154 512062872 554734778 768094308 832102167 1024125744 1109469556 1536188616 1664204334 2218939112 2496306501 3072377232 3328408668 4437878224 4992613002 6656817336 9985226004 13313634672 19970452008 39940904016
• Sum of all divisors σ(n): 120377452468
• Sum of proper divisors (its aliquot sum) s(n): 80436548452
• 39940904016 is an abundant number, because the sum of its proper divisors (80436548452) is greater than itself. Its abundance is 40495644436

Bases of 39940904016

• Binary: 100101001100101010011101010001010000₂
• Hexadecimal: 0x94CA9D450
• Base-36: ICJS6S0

Squares and roots of 39940904016

• 39940904016 squared (39940904016²) is 1595275813615324928256
• 39940904016 cubed (39940904016³) is 63716758150655998906124982276096
• The square root of 39940904016 is 199852.2054319141
• The cube root of 39940904016 is 3418.2668514009

Scales and comparisons

• 39,940,904,016 seconds is equal to 1,269 years, 51 weeks, 5 days, 23 hours, 33 minutes, 36 seconds.
• To count from 1 to 39,940,904,016 would take you about two thousand, five hundred thirty-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 39940904016 cubic inches would be around 284.9 feet tall.

Recreational maths with 39940904016

• 39940904016 backwards is 61040904993
• The number of decimal digits it has is: 11
• The sum of 39940904016's digits is 45
• More coming soon!