80381040

Names of 80381040

• Cardinal: 80381040 can be written as Eighty million, three hundred eighty-one thousand and forty.

Scientific notation

• Scientific notation: 8.038104 × 10⁷

Factors of 80381040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 11588

Divisors of 80381040

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 40 48 58 60 80 87 116 120 145 174 232 240 290 348 435 464 580 696 870 1160 1392 1740 2320 3480 6960 11549 23098 34647 46196 57745 69294 92392 115490 138588 173235 184784 230980 277176 334921 346470 461960 554352 669842 692940 923920 1004763 1339684 1385880 1674605 2009526 2679368 2771760 3349210 4019052 5023815 5358736 6698420 8038104 10047630 13396840 16076208 20095260 26793680 40190520 80381040
• Sum of all divisors σ(n): 257796000
• Sum of proper divisors (its aliquot sum) s(n): 177414960
• 80381040 is an abundant number, because the sum of its proper divisors (177414960) is greater than itself. Its abundance is 97033920

Bases of 80381040

• Binary: 100110010101000010001110000₂
• Hexadecimal: 0x4CA8470
• Base-36: 1BUUEO

Squares and roots of 80381040

• 80381040 squared (80381040²) is 6461111591481600
• 80381040 cubed (80381040³) is 519350869279346148864000
• The square root of 80381040 is 8965.5473898697
• The cube root of 80381040 is 431.5699595695

Scales and comparisons

• 80,381,040 seconds is equal to 2 years, 28 weeks, 6 days, 8 hours, 4 minutes.
• To count from 1 to 80,381,040 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 80381040 cubic inches would be around 36 feet tall.

Recreational maths with 80381040

• 80381040 backwards is 04018308
• 80381040 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 80381040's digits is 24
• More coming soon!