13449345720

Names of 13449345720

• Cardinal: 13449345720 can be written as Thirteen billion, four hundred forty-nine million, three hundred forty-five thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.344934572 × 10¹⁰

Factors of 13449345720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 16841

Divisors of 13449345720

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 53 60 106 120 127 159 212 254 265 318 381 424 508 530 635 636 762 795 1016 1060 1270 1272 1524 1590 1905 2120 2540 3048 3180 3810 5080 6360 6731 7620 13462 15240 16651 20193 26924 33302 33655 40386 49953 53848 66604 67310 80772 83255 99906 100965 133208 134620 161544 166510 199812 201930 249765 269240 333020 399624 403860 499530 666040 807720 882503 999060 1765006 1998120 2114677 2647509 3530012 4229354 4412515 5295018 6344031 7060024 8458708 8825030 10573385 10590036 12688062 13237545 16917416 17650060 21146770 21180072 25376124 26475090 31720155 35300120 42293540 50752248 52950180 63440310 84587080 105900360 112077881 126880620 224155762 253761240 336233643 448311524 560389405 672467286 896623048 1120778810 1344934572 1681168215 2241557620 2689869144 3362336430 4483115240 6724672860 13449345720
• Sum of all divisors σ(n): 41435504640
• Sum of proper divisors (its aliquot sum) s(n): 27986158920
• 13449345720 is an abundant number, because the sum of its proper divisors (27986158920) is greater than itself. Its abundance is 14536813200

Bases of 13449345720

• Binary: 1100100001101001001011101010111000₂
• Hexadecimal: 0x321A4BAB8
• Base-36: 66FE5KO

Squares and roots of 13449345720

• 13449345720 squared (13449345720²) is 180884900296082318400
• 13449345720 cubed (13449345720³) is 2432783559609741461740717248000
• The square root of 13449345720 is 115971.3142117481
• The cube root of 13449345720 is 2378.1197469717

Scales and comparisons

• 13,449,345,720 seconds is equal to 427 years, 33 weeks, 4 days, 17 hours, 22 minutes.
• To count from 1 to 13,449,345,720 would take you about eight hundred fifty-five 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 13449345720 cubic inches would be around 198.2 feet tall.

Recreational maths with 13449345720

• 13449345720 backwards is 02754394431
• The number of decimal digits it has is: 11
• The sum of 13449345720's digits is 42
• More coming soon!