81162012 (number)

81162012 is an even 8-digits composite number following 81162011 and preceding 81162013. In scientific notation, it is written as 8.1162012 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 48 positive divisors. There are 25317120 positive integers (up to 81162012) that are relatively prime to 81162012.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred sixty-two thousand twelve

Notation

Scientific notation 8.1162012 × 10^7
Engineering notation 8.1162012 × 10^6

Prime Factorization of 81162012

Prime Factorization 2 × 2 × 3 × 17 × 191 × 2083

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 40581006
Product of the distinct prime numbers

The prime factorization of 81162012 is 2 × 2 × 3 × 17 × 191 × 2083. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 10, 65, 16, 808, 30, 6665, 9058, 31983, 41266, 50917, 104064, 8872649, 7698614, 18171274, 65153796, 133658678, 562062879, 6942188939, 1287490919

Basic calculations (n = 81162012)

Multiplication

n×y
n×2 162324024
n×3 243486036
n×4 324648048
n×5 405810060

Division

n÷y
n÷2 40581006
n÷3 27054004
n÷3 20290503
n÷5 16232402.4

Exponentiation

ny
n2 6587272191888144
n3 5.3463626468529E+23
n4 4.3392154930023E+31
n5 3.5217945991364E+39

Nth Root

y√n
2√n 9008.9961704954
3√n 432.96315025794
4√n 94.915731944159
5√n 38.183045141855

Divisors of 81162012

1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 191, 204, 382, 573, 764, 1146, 2083, 2292, 3247, 4166, 6249, 6494, 8332, 9741, 12498, 12988, 19482, 24996, 35411, 38964, 70822, 106233, 141644, 212466, 397853, 424932, 795706, 1193559, 1591412, 2387118, 4774236, 6763501, 13527002, 20290503, 27054004, 40581006, 81162012

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81162011
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81162012 can be divided by 48 positive divisors. The sum of these divisors (counting 81162012) is 1, the average is 0.020833333333333.

Base conversion 81162012

Base System Value
2 Binary 100110101100110111100011100
3 Ternary 12122201110100110
4 Quaternary 10311212330130
5 Quinary 131234141022
6 Senary 12015330020
8 Octal 465467434
10 Decimal 81162012
12 Duodecimal 23220910
16 Hexadecimal 4d66f1c
20 Vigesimal 157550c
36 Base36 1cbl0c

Cryptographic Hash Functions

md5 b41c64a862cdf249098f6aa49b9e2805
sha1 bf0de26b40c99adae5d2743c0792cf8b23503e79
sha256 84657fe89665fd46eb24998098a95ca9c3b3caff807b069191d46124170c93c0
sha512 e57cc85bf4d9a2b9a2b1a184746eaaf3aad20b7281118aa283f392011b9803d13013cc2a24dd7e8a6113dca21fd43ab031ba47217a36239040948738ae0024bc
ripemd-160 8b4abb6d36ad61cce9f436c10c524855cd5097b5

81162012 as geometric shapes

Circle

Radius = n
Diameter 162324024
Circumference 509955961.29953
Area 2.0694525925232E+16

Sphere

Radius = n
Volume 2.2394791486373E+24
Surface area 8.2778103700929E+16
Circumference 509955961.29953

Square

Length = n
Perimeter 324648048
Area 6587272191888144
Diagonal 114780418.11989

Cube

Length = n
Surface area 39523633151328864
Volume 5.3463626468529E+23
Space diagonal 140576728.42851

Equilateral Triangle

Length = n
Perimeter 243486036
Area 2.852372529909E+15
Altitude 70288364.214257

Triangular Pyramid

Length = n
Surface area 2.852372529909E+15
Volume 6.3007488037869E+22
Height 38260139.373296