385149919920

Names of 385149919920

• Cardinal: 385149919920 can be written as Three hundred eighty-five billion, one hundred forty-nine million, nine hundred nineteen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 3.8514991992 × 10¹¹

Factors of 385149919920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8315184

Divisors of 385149919920

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 193 240 386 579 772 965 1158 1544 1930 2316 2895 3088 3860 4632 5790 7720 9264 11580 15440 23160 46320 8314981 16629962 24944943 33259924 41574905 49889886 66519848 83149810 99779772 124724715 133039696 166299620 199559544 249449430 332599240 399119088 498898860 665198480 997797720 1604791333 1995595440 3209582666 4814373999 6419165332 8023956665 9628747998 12838330664 16047913330 19257495996 24071869995 25676661328 32095826660 38514991992 48143739990 64191653320 77029983984 96287479980 128383306640 192574959960 385149919920
• Sum of all divisors σ(n): 1200151241952
• Sum of proper divisors (its aliquot sum) s(n): 815001322032
• 385149919920 is an abundant number, because the sum of its proper divisors (815001322032) is greater than itself. Its abundance is 429851402112

Bases of 385149919920

• Binary: 101100110101100101110010110001010110000₂
• Hexadecimal: 0x59ACB962B0
• Base-36: 4WXOBG6O

Squares and roots of 385149919920

• 385149919920 squared (385149919920²) is 148340460814382412806400
• 385149919920 cubed (385149919920³) is 57133316603555284276641342463488000
• The square root of 385149919920 is 620604.4794553129
• The cube root of 385149919920 is 7275.7304993133

Scales and comparisons

• 385,149,919,920 seconds is equal to 12,246 years, 29 weeks, 6 days, 16 hours, 52 minutes.
• To count from 1 to 385,149,919,920 would take you about twenty-four thousand, four hundred ninety-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 385149919920 cubic inches would be around 606.3 feet tall.

Recreational maths with 385149919920

• 385149919920 backwards is 029919941583
• 385149919920 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 385149919920's digits is 60
• More coming soon!