81522012 (number)

81522012 is an even 8-digits composite number following 81522011 and preceding 81522013. In scientific notation, it is written as 8.1522012 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors. There are 22802880 positive integers (up to 81522012) that are relatively prime to 81522012.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred twenty-two thousand twelve

Notation

Scientific notation 8.1522012 × 10^7
Engineering notation 8.1522012 × 10^6

Prime Factorization of 81522012

Prime Factorization 2 × 2 × 39 × 11 × 47507

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40761006
Product of the distinct prime numbers

The prime factorization of 81522012 is 2 × 2 × 39 × 11 × 47507. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 4, 100, 87, 142, 63, 4614, 5234, 81927, 65319, 349680, 913505, 2551781, 7556728, 2984210, 82136242, 987923242, 274454544, 9314167037, 9695293833

Basic calculations (n = 81522012)

Multiplication

n×y
n×2 163044024
n×3 244566036
n×4 326088048
n×5 407610060

Division

n÷y
n÷2 40761006
n÷3 27174004
n÷3 20380503
n÷5 16304402.4

Exponentiation

ny
n2 6645838440528144
n3 5.417821210988E+23
n4 4.4167168577602E+31
n5 3.6005964467893E+39

Nth Root

y√n
2√n 9028.9540922523
3√n 433.6023526127
4√n 95.020808732889
5√n 38.216857937396

Divisors of 81522012

1, 2, 4, 11, 22, 39, 44, 78, 156, 429, 858, 1716, 47507, 95014, 190028, 522577, 1045154, 1852773, 2090308, 3705546, 7411092, 20380503, 40761006, 81522012

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81522011
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81522012 can be divided by 24 positive divisors. The sum of these divisors (counting 81522012) is 1, the average is 0.041666666666667.

Base conversion 81522012

Base System Value
2 Binary 100110110111110110101011100
3 Ternary 12200101202011210
4 Quaternary 10312332311130
5 Quinary 131332201022
6 Senary 12031144420
8 Octal 466766534
10 Decimal 81522012
12 Duodecimal 23375110
16 Hexadecimal 4dbed5c
20 Vigesimal 159a50c
36 Base36 1cjasc

Cryptographic Hash Functions

md5 0b2300cb28947d831e37f61aafa039a8
sha1 64dd48759e6c1db575012a31a0c71e53d538d90a
sha256 d7e5bb535188cb11e5f064e2be4a2c46eef9d66aa907fe65abe8a95fe6705d1a
sha512 2a060490c0888e5b29fb0c600d3067bca59e26f2e1fa76fc122b4f708a0b25fd860c97847cd1e2a4509bf00999d03f223a280b712e2bab5957e9f03fcf2503c6
ripemd-160 d3587f969e3a6eb93cf0dd9fad0bc9525b8f52b8

81522012 as geometric shapes

Circle

Radius = n
Diameter 163044024
Circumference 512217908.01012
Area 2.0878517221708E+16

Sphere

Radius = n
Volume 2.269411641987E+24
Surface area 8.3514068886831E+16
Circumference 512217908.01012

Square

Length = n
Perimeter 326088048
Area 6645838440528144
Diagonal 115289535.00234

Cube

Length = n
Surface area 39875030643168864
Volume 5.417821210988E+23
Space diagonal 141200266.71924

Equilateral Triangle

Length = n
Perimeter 244566036
Area 2.8777324594723E+15
Altitude 70600133.35962

Triangular Pyramid

Length = n
Surface area 2.8777324594723E+15
Volume 6.3849635292432E+22
Height 38429845.000781