28982940

Names of 28982940

• Cardinal: 28982940 can be written as Twenty-eight million, nine hundred eighty-two thousand, nine hundred forty.

Scientific notation

• Scientific notation: 2.898294 × 10⁷

Factors of 28982940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 625

Divisors of 28982940

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 151 210 302 420 453 457 604 755 906 914 1057 1371 1510 1812 1828 2114 2265 2285 2742 3020 3171 3199 4228 4530 4570 5285 5484 6342 6398 6855 9060 9140 9597 10570 12684 12796 13710 15855 15995 19194 21140 27420 31710 31990 38388 47985 63420 63980 69007 95970 138014 191940 207021 276028 345035 414042 483049 690070 828084 966098 1035105 1380140 1449147 1932196 2070210 2415245 2898294 4140420 4830490 5796588 7245735 9660980 14491470 28982940
• Sum of all divisors σ(n): 93563904
• Sum of proper divisors (its aliquot sum) s(n): 64580964
• 28982940 is an abundant number, because the sum of its proper divisors (64580964) is greater than itself. Its abundance is 35598024

Bases of 28982940

• Binary: 1101110100011111010011100₂
• Hexadecimal: 0x1BA3E9C
• Base-36: H97DO

Squares and roots of 28982940

• 28982940 squared (28982940²) is 840010811043600
• 28982940 cubed (28982940³) is 24345982935827996184000
• The square root of 28982940 is 5383.5805928769
• The cube root of 28982940 is 307.1714250901

Scales and comparisons

• 28,982,940 seconds is equal to 47 weeks, 6 days, 10 hours, 49 minutes.
• To count from 1 to 28,982,940 would take you about nineteen weeks!

  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 28982940 cubic inches would be around 25.6 feet tall.

Recreational maths with 28982940

• 28982940 backwards is 04928982
• 28982940 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28982940's digits is 42
• More coming soon!