185142127440

Names of 185142127440

• Cardinal: 185142127440 can be written as One hundred eighty-five billion, one hundred forty-two million, one hundred twenty-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.8514212744 × 10¹¹

Factors of 185142127440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 13075078

Divisors of 185142127440

• 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 59 60 80 118 120 177 236 240 295 354 472 590 708 885 944 1180 1416 1770 2360 2832 3540 4720 7080 14160 13075009 26150018 39225027 52300036 65375045 78450054 104600072 130750090 156900108 196125135 209200144 261500180 313800216 392250270 523000360 627600432 771425531 784500540 1046000720 1542851062 1569001080 2314276593 3085702124 3138002160 3857127655 4628553186 6171404248 7714255310 9257106372 11571382965 12342808496 15428510620 18514212744 23142765930 30857021240 37028425488 46285531860 61714042480 92571063720 185142127440
• Sum of all divisors σ(n): 583668446400
• Sum of proper divisors (its aliquot sum) s(n): 398526318960
• 185142127440 is an abundant number, because the sum of its proper divisors (398526318960) is greater than itself. Its abundance is 213384191520

Bases of 185142127440

• Binary: 10101100011011010101001010101101010000₂
• Hexadecimal: 0x2B1B54AB50
• Base-36: 2D1WUBTC

Squares and roots of 185142127440

• 185142127440 squared (185142127440²) is 34277607353009200953600
• 185142127440 cubed (185142127440³) is 6346229148889110550443980726784000
• The square root of 185142127440 is 430281.4514245299
• The cube root of 185142127440 is 5699.4780217611

Scales and comparisons

• 185,142,127,440 seconds is equal to 5,886 years, 49 weeks, 1 day, 16 hours, 44 minutes.
• To count from 1 to 185,142,127,440 would take you about eleven thousand, seven hundred seventy-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 185142127440 cubic inches would be around 475 feet tall.

Recreational maths with 185142127440

• 185142127440 backwards is 044721241581
• The number of decimal digits it has is: 12
• The sum of 185142127440's digits is 39
• More coming soon!