13405987100

Names of 13405987100

• Cardinal: 13405987100 can be written as Thirteen billion, four hundred five million, nine hundred eighty-seven thousand, one hundred.

Scientific notation

• Scientific notation: 1.34059871 × 10¹⁰

Factors of 13405987100

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 22228

Divisors of 13405987100

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 563 1100 1126 2252 2815 5630 6193 11260 12386 14075 21647 24772 28150 30965 43294 56300 61930 86588 108235 123860 154825 216470 238117 309650 432940 476234 541175 619300 952468 1082350 1190585 2164700 2381170 4762340 5952925 11905850 12187261 23811700 24374522 48749044 60936305 121872610 134059871 243745220 268119742 304681525 536239484 609363050 670299355 1218726100 1340598710 2681197420 3351496775 6702993550 13405987100
• Sum of all divisors σ(n): 31793465088
• Sum of proper divisors (its aliquot sum) s(n): 18387477988
• 13405987100 is an abundant number, because the sum of its proper divisors (18387477988) is greater than itself. Its abundance is 4981490888

Bases of 13405987100

• Binary: 1100011111000011110010000100011100₂
• Hexadecimal: 0x31F0F211C
• Base-36: 65PKTUK

Squares and roots of 13405987100

• 13405987100 squared (13405987100²) is 179720490125366410000
• 13405987100 cubed (13405987100³) is 2409330572226339475233311000000
• The square root of 13405987100 is 115784.2264732117
• The cube root of 13405987100 is 2375.5614318143

Scales and comparisons

• 13,405,987,100 seconds is equal to 426 years, 13 weeks, 6 days, 21 hours, 18 minutes, 20 seconds.
• To count from 1 to 13,405,987,100 would take you about eight hundred fifty-two 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 13405987100 cubic inches would be around 198 feet tall.

Recreational maths with 13405987100

• 13405987100 backwards is 00178950431
• The number of decimal digits it has is: 11
• The sum of 13405987100's digits is 38
• More coming soon!