80381970

Names of 80381970

• Cardinal: 80381970 can be written as Eighty million, three hundred eighty-one thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 8.038197 × 10⁷

Factors of 80381970

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1770

Divisors of 80381970

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 19 27 30 38 45 54 57 81 90 95 114 135 162 171 190 243 270 285 342 405 486 513 570 810 855 1026 1215 1539 1710 1741 2430 2565 3078 3482 4617 5130 5223 7695 8705 9234 10446 15390 15669 17410 23085 26115 31338 33079 46170 47007 52230 66158 78345 94014 99237 141021 156690 165395 198474 235035 282042 297711 330790 423063 470070 496185 595422 705105 846126 893133 992370 1410210 1488555 1786266 2115315 2679399 2977110 4230630 4465665 5358798 8038197 8931330 13396995 16076394 26793990 40190985 80381970
• Sum of all divisors σ(n): 228271680
• Sum of proper divisors (its aliquot sum) s(n): 147889710
• 80381970 is an abundant number, because the sum of its proper divisors (147889710) is greater than itself. Its abundance is 67507740

Bases of 80381970

• Binary: 100110010101000100000010010₂
• Hexadecimal: 0x4CA8812
• Base-36: 1BUV4I

Squares and roots of 80381970

• 80381970 squared (80381970²) is 6461261101080900
• 80381970 cubed (80381970³) is 519368895989251871373000
• The square root of 80381970 is 8965.5992549299
• The cube root of 80381970 is 431.5716239691

Scales and comparisons

• 80,381,970 seconds is equal to 2 years, 28 weeks, 6 days, 8 hours, 19 minutes, 30 seconds.
• To count from 1 to 80,381,970 would take you about three 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 80381970 cubic inches would be around 36 feet tall.

Recreational maths with 80381970

• 80381970 backwards is 07918308
• The number of decimal digits it has is: 8
• The sum of 80381970's digits is 36
• More coming soon!