12380491998

Names of 12380491998

• Cardinal: 12380491998 can be written as Twelve billion, three hundred eighty million, four hundred ninety-one thousand, nine hundred ninety-eight.

Scientific notation

• Scientific notation: 1.2380491998 × 10¹⁰

Factors of 12380491998

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 738812

Divisors of 12380491998

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 38 42 49 57 63 98 114 126 133 147 171 266 294 342 399 441 798 882 931 1197 1862 2394 2793 5586 8379 16758 738781 1477562 2216343 4432686 5171467 6649029 10342934 13298058 14036839 15514401 28073678 31028802 36200269 42110517 46543203 72400538 84221034 93086406 98257873 108600807 126331551 196515746 217201614 252663102 294773619 325802421 589547238 651604842 687805111 884320857 1375610222 1768641714 2063415333 4126830666 6190245999 12380491998
• Sum of all divisors σ(n): 32846247720
• Sum of proper divisors (its aliquot sum) s(n): 20465755722
• 12380491998 is an abundant number, because the sum of its proper divisors (20465755722) is greater than itself. Its abundance is 8085263724

Bases of 12380491998

• Binary: 1011100001111011110101000011011110₂
• Hexadecimal: 0x2E1EF50DE
• Base-36: 5OR0WRI

Squares and roots of 12380491998

• 12380491998 squared (12380491998²) is 153276582112542032004
• 12380491998 cubed (12380491998³) is 1897639498325116562664181903992
• The square root of 12380491998 is 111267.6592635973
• The cube root of 12380491998 is 2313.3746269117

Scales and comparisons

• 12,380,491,998 seconds is equal to 393 years, 34 weeks, 2 days, 17 hours, 33 minutes, 18 seconds.
• To count from 1 to 12,380,491,998 would take you about seven 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 12380491998 cubic inches would be around 192.8 feet tall.

Recreational maths with 12380491998

• 12380491998 backwards is 89919408321
• The number of decimal digits it has is: 11
• The sum of 12380491998's digits is 54
• More coming soon!