81093946 (number)

81093946 is an even 8-digits composite number following 81093945 and preceding 81093947. In scientific notation, it is written as 8.1093946 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 40086000 positive integers (up to 81093946) that are relatively prime to 81093946.

Interesting facts

Basic properties

Name

Name eighty-one million ninety-three thousand nine hundred forty-six

Notation

Scientific notation 8.1093946 × 10^7
Engineering notation 8.1093946 × 10^6

Prime Factorization of 81093946

Prime Factorization 2 × 263 × 151 × 1021

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81093946
Product of the distinct prime numbers

The prime factorization of 81093946 is 2 × 263 × 151 × 1021. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 10, 84, 13, 639, 469, 6462, 8809, 31805, 46899, 370173, 471542, 4155988, 270493, 51011595, 48244304, 271566657, 650649470, 4136415717, 1495654354

Basic calculations (n = 81093946)

Multiplication

n×y
n×2 162187892
n×3 243281838
n×4 324375784
n×5 405469730

Division

n÷y
n÷2 40546973
n÷3 27031315.333333
n÷3 20273486.5
n÷5 16218789.2

Exponentiation

ny
n2 6576228077850916
n3 5.3329228462893E+23
n4 4.3246775731915E+31
n5 3.507051695878E+39

Nth Root

y√n
2√n 9005.2177097503
3√n 432.84208248582
4√n 94.89582556546
5√n 38.176638599266

Divisors of 81093946

1, 2, 151, 263, 302, 526, 1021, 2042, 39713, 79426, 154171, 268523, 308342, 537046, 40546973, 81093946

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81093945
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81093946 can be divided by 16 positive divisors. The sum of these divisors (counting 81093946) is 1, the average is 0.0625.

Base conversion 81093946

Base System Value
2 Binary 100110101010110010100111010
3 Ternary 12122120222222111
4 Quaternary 10311112110322
5 Quinary 131230001241
6 Senary 12014042534
8 Octal 465262472
10 Decimal 81093946
12 Duodecimal 231a944a
16 Hexadecimal 4d5653a
20 Vigesimal 156geh6
36 Base36 1ca4hm

Cryptographic Hash Functions

md5 bab5618cebf246b449b3e525864a3c64
sha1 4113db4e1f36f683c4e1c297bc05952c4ca2f8df
sha256 bee67fe58024b2a3d077eb205fb64ed98f581ae568adb7f2306b253019208a40
sha512 47434331386340aa6a2cffa4345069d88bf90eba9f8bddccf2ea1274f4f497641f1c7e9d7a6f9835feae39a4559b3d85780202178fe865b79f0d36936a64b886
ripemd-160 b6bff7685b144c928d3265152257b2b53a22755b

81093946 as geometric shapes

Circle

Radius = n
Diameter 162187892
Circumference 509528290.00841
Area 2.0659829817707E+16

Sphere

Radius = n
Volume 2.2338494981418E+24
Surface area 8.2639319270829E+16
Circumference 509528290.00841

Square

Length = n
Perimeter 324375784
Area 6576228077850916
Diagonal 114684158.25955

Cube

Length = n
Surface area 39457368467105496
Volume 5.3329228462893E+23
Space diagonal 140458834.65825

Equilateral Triangle

Length = n
Perimeter 243281838
Area 2.8475902882497E+15
Altitude 70229417.329123

Triangular Pyramid

Length = n
Surface area 2.8475902882497E+15
Volume 6.2849098469263E+22
Height 38228052.753184