199389040900

Names of 199389040900

• Cardinal: 199389040900 can be written as One hundred ninety-nine billion, three hundred eighty-nine million, forty thousand, nine hundred.

Scientific notation

• Scientific notation: 1.993890409 × 10¹¹

Factors of 199389040900

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6393

Divisors of 199389040900

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 4 5 7 10 14 20 25 28 35 49 50 70 98 100 140 175 196 245 350 490 700 980 1225 2450 4900 6379 12758 25516 31895 44653 63790 89306 127580 159475 178612 223265 312571 318950 446530 625142 637900 893060 1116325 1250284 1562855 2232650 3125710 4465300 6251420 7814275 15628550 31257100 40691641 81383282 162766564 203458205 284841487 406916410 569682974 813832820 1017291025 1139365948 1424207435 1993890409 2034582050 2848414870 3987780818 4069164100 5696829740 7121037175 7975561636 9969452045 14242074350 19938904090 28484148700 39877808180 49847260225 99694520450 199389040900
• Sum of all divisors σ(n): 503393821749
• Sum of proper divisors (its aliquot sum) s(n): 304004780849
• 199389040900 is an abundant number, because the sum of its proper divisors (304004780849) is greater than itself. Its abundance is 104615739949

Bases of 199389040900

• Binary: 10111001101100100000110101000100000100₂
• Hexadecimal: 0x2E6C835104
• Base-36: 2JLJ34LG

Squares and roots of 199389040900

• 199389040900 squared (199389040900²) is 39755989631021872810000
• 199389040900 cubed (199389040900³) is 7926908642559796106507687929000000
• 199389040900 is a perfect square number. Its square root is 446530
• The cube root of 199389040900 is 5842.0745516779

Scales and comparisons

• 199,389,040,900 seconds is equal to 6,339 years, 49 weeks, 4 days, 12 hours, 41 minutes, 40 seconds.
• To count from 1 to 199,389,040,900 would take you about twelve thousand, six hundred seventy-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 199389040900 cubic inches would be around 486.8 feet tall.

Recreational maths with 199389040900

• 199389040900 backwards is 009040983991
• The number of decimal digits it has is: 12
• The sum of 199389040900's digits is 52
• More coming soon!