13813849440

Names of 13813849440

• Cardinal: 13813849440 can be written as Thirteen billion, eight hundred thirteen million, eight hundred forty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.381384944 × 10¹⁰

Factors of 13813849440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9592961

Divisors of 13813849440

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 9592951 19185902 28778853 38371804 47964755 57557706 76743608 86336559 95929510 115115412 143894265 153487216 172673118 191859020 230230824 287788530 306974432 345346236 383718040 431682795 460461648 575577060 690692472 767436080 863365590 920923296 1151154120 1381384944 1534872160 1726731180 2302308240 2762769888 3453462360 4604616480 6906924720 13813849440
• Sum of all divisors σ(n): 47139766128
• Sum of proper divisors (its aliquot sum) s(n): 33325916688
• 13813849440 is an abundant number, because the sum of its proper divisors (33325916688) is greater than itself. Its abundance is 19512067248

Bases of 13813849440

• Binary: 1100110111010111101001110101100000₂
• Hexadecimal: 0x3375E9D60
• Base-36: 6CGEQG0

Squares and roots of 13813849440

• 13813849440 squared (13813849440²) is 190822436350988313600
• 13813849440 cubed (13813849440³) is 2635992405526535559269904384000
• The square root of 13813849440 is 117532.3335937817
• The cube root of 13813849440 is 2399.4124395003

Scales and comparisons

• 13,813,849,440 seconds is equal to 439 years, 12 weeks, 2 days, 12 hours, 24 minutes.
• To count from 1 to 13,813,849,440 would take you about eight 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 13813849440 cubic inches would be around 200 feet tall.

Recreational maths with 13813849440

• 13813849440 backwards is 04494831831
• 13813849440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13813849440's digits is 45
• More coming soon!