117931990

Names of 117931990

• Cardinal: 117931990 can be written as One hundred seventeen million, nine hundred thirty-one thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.1793199 × 10⁸

Factors of 117931990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 469

Divisors of 117931990

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 11 22 41 55 79 82 110 158 205 331 395 410 451 662 790 869 902 1655 1738 2255 3239 3310 3641 4345 4510 6478 7282 8690 13571 16195 18205 26149 27142 32390 35629 36410 52298 67855 71258 130745 135710 149281 178145 261490 287639 298562 356290 575278 746405 1072109 1438195 1492810 2144218 2876390 5360545 10721090 11793199 23586398 58965995 117931990
• Sum of all divisors σ(n): 240952320
• Sum of proper divisors (its aliquot sum) s(n): 123020330
• 117931990 is an abundant number, because the sum of its proper divisors (123020330) is greater than itself. Its abundance is 5088340

Bases of 117931990

• Binary: 111000001110111111111010110₂
• Hexadecimal: 0x7077FD6
• Base-36: 1Y7OWM

Squares and roots of 117931990

• 117931990 squared (117931990²) is 13907954265360100
• 117931990 cubed (117931990³) is 1640192723342904659599000
• The square root of 117931990 is 10859.6496260241
• The cube root of 117931990 is 490.3925633815

Scales and comparisons

• 117,931,990 seconds is equal to 3 years, 38 weeks, 6 days, 22 hours, 53 minutes, 10 seconds.
• To count from 1 to 117,931,990 would take you about 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 117931990 cubic inches would be around 40.9 feet tall.

Recreational maths with 117931990

• 117931990 backwards is 099139711
• The number of decimal digits it has is: 9
• The sum of 117931990's digits is 40
• More coming soon!