199513797021

Names of 199513797021

• Cardinal: 199513797021 can be written as One hundred ninety-nine billion, five hundred thirteen million, seven hundred ninety-seven thousand and twenty-one.

Scientific notation

• Scientific notation: 1.99513797021 × 10¹¹

Factors of 199513797021

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 182684

Divisors of 199513797021

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 11 19 21 33 57 63 77 83 99 133 171 209 231 249 399 581 627 693 747 913 1197 1463 1577 1743 1881 2739 4389 4731 5229 6391 8217 11039 13167 14193 17347 19173 33117 52041 57519 99351 121429 156123 182561 364287 547683 1092861 1277927 1643049 2008171 3468659 3833781 6024513 10405977 11501343 14057197 15152563 18073539 24280613 31217931 38155249 42171591 45457689 72841839 106067941 114465747 126514773 136373067 166678193 218525517 267086743 287898697 318203823 343397241 500034579 801260229 863696091 954611469 1166747351 1500103737 2015290879 2403780687 2591088273 3166885667 3500242053 6045872637 9500657001 10500726159 18137617911 22168199669 28501971003 66504599007 199513797021
• Sum of all divisors σ(n): 382766791680
• Sum of proper divisors (its aliquot sum) s(n): 183252994659
• 199513797021 is a deficient number, because the sum of its proper divisors (183252994659) is less than itself. Its deficiency is 16260802362

Bases of 199513797021

• Binary: 10111001110011111100101111000110011101₂
• Hexadecimal: 0x2E73F2F19D
• Base-36: 2JNLD319

Squares and roots of 199513797021

• 199513797021 squared (199513797021²) is 39805755201736788474441
• 199513797021 cubed (199513797021³) is 7941797363586928522358033920440261
• The square root of 199513797021 is 446669.6732720949
• The cube root of 199513797021 is 5843.2927440127

Scales and comparisons

• 199,513,797,021 seconds is equal to 6,343 years, 47 weeks, 6 days, 11 hours, 10 minutes, 21 seconds.
• To count from 1 to 199,513,797,021 would take you about twelve thousand, six hundred eighty-seven 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 199513797021 cubic inches would be around 486.9 feet tall.

Recreational maths with 199513797021

• 199513797021 backwards is 120797315991
• The number of decimal digits it has is: 12
• The sum of 199513797021's digits is 54
• More coming soon!