81610068 (number)

81610068 is an even 8-digits composite number following 81610067 and preceding 81610069. In scientific notation, it is written as 8.1610068 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors. There are 27203352 positive integers (up to 81610068) that are relatively prime to 81610068.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred ten thousand sixty-eight

Notation

Scientific notation 8.1610068 × 10^7
Engineering notation 8.1610068 × 10^6

Prime Factorization of 81610068

Prime Factorization 2 × 2 × 3 × 6800839

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40805034
Product of the distinct prime numbers

The prime factorization of 81610068 is 2 × 2 × 3 × 6800839. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 8, 39, 7, 193, 940, 178, 4698, 80475, 81727, 193811, 719567, 1793117, 2646343, 86838261, 81435476, 128780639, 412013649, 7530088546, 7643138261

Basic calculations (n = 81610068)

Multiplication

n×y
n×2 163220136
n×3 244830204
n×4 326440272
n×5 408050340

Division

n÷y
n÷2 40805034
n÷3 27203356
n÷3 20402517
n÷5 16322013.6

Exponentiation

ny
n2 6660203198964624
n3 5.4353963596132E+23
n4 4.4358306651499E+31
n5 3.6200844221937E+39

Nth Root

y√n
2√n 9033.8290884873
3√n 433.75841496075
4√n 95.046457527292
5√n 38.225110360326

Divisors of 81610068

1, 2, 3, 4, 6, 12, 6800839, 13601678, 20402517, 27203356, 40805034, 81610068

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81610067
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81610068 can be divided by 12 positive divisors. The sum of these divisors (counting 81610068) is 1, the average is 0.083333333333333.

Base conversion 81610068

Base System Value
2 Binary 100110111010100010101010100
3 Ternary 12200120012222010
4 Quaternary 10313110111110
5 Quinary 131343010233
6 Senary 12033104220
8 Octal 467242524
10 Decimal 81610068
12 Duodecimal 233b8070
16 Hexadecimal 4dd4554
20 Vigesimal 15a1538
36 Base36 1cl6qc

Cryptographic Hash Functions

md5 4334e225bc99d0bb75866e279316b584
sha1 988822d526bae2983434c481616d68b2c7efea3d
sha256 a29f9353f0d29b588436cca01ec3d3af1225036658b65adbcf2284660e5c8d90
sha512 f7d8d259e07e44f88d5a5f6b00fb372b7528d5a49c01ce1a2f99965d503df04aa4152c93c31033502dcde0d4cfc36c00f434ab43e50faf90a362ac30dded7557
ripemd-160 6550097ce0630597998953678d0f40405e528f52

81610068 as geometric shapes

Circle

Radius = n
Diameter 163220136
Circumference 512771180.17553
Area 2.0923645441282E+16

Sphere

Radius = n
Volume 2.2767735030279E+24
Surface area 8.369458176513E+16
Circumference 512771180.17553

Square

Length = n
Perimeter 326440272
Area 6660203198964624
Diagonal 115414064.99179

Cube

Length = n
Surface area 39961219193787744
Volume 5.4353963596132E+23
Space diagonal 141352784.18515

Equilateral Triangle

Length = n
Perimeter 244830204
Area 2.8839525823349E+15
Altitude 70676392.092575

Triangular Pyramid

Length = n
Surface area 2.8839525823349E+15
Volume 6.405676040532E+22
Height 38471354.997264