81122956 (number)

81122956 is an even 8-digits composite number following 81122955 and preceding 81122957. In scientific notation, it is written as 8.1122956 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 40444560 positive integers (up to 81122956) that are relatively prime to 81122956.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-two thousand nine hundred fifty-six

Notation

Scientific notation 8.1122956 × 10^7
Engineering notation 8.1122956 × 10^6

Prime Factorization of 81122956

Prime Factorization 2 × 2 × 349 × 58111

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40561478
Product of the distinct prime numbers

The prime factorization of 81122956 is 2 × 2 × 349 × 58111. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81122956)

Multiplication

n×y
n×2 162245912
n×3 243368868
n×4 324491824
n×5 405614780

Division

n÷y
n÷2 40561478
n÷3 27040985.333333
n÷3 20280739
n÷5 16224591.2

Exponentiation

ny
n2 6580933990177936
n3 5.3386481852411E+23
n4 4.3308692183079E+31
n5 3.5133291303855E+39

Nth Root

y√n
2√n 9006.8282985744
3√n 432.89369033247
4√n 94.904311274959
5√n 38.179369619023

Divisors of 81122956

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 -81122955
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 81122956 can be divided by 12 positive divisors. The sum of these divisors (counting 81122956) is 1, the average is 0.083333333333333.

Base conversion 81122956

Base System Value
2 Binary 100110101011101011010001100
3 Ternary 12122122110202221
4 Quaternary 10311131122030
5 Quinary 131231413311
6 Senary 12014425124
8 Octal 465353214
10 Decimal 81122956
12 Duodecimal 232021a4
16 Hexadecimal 4d5d68c
20 Vigesimal 157077g
36 Base36 1caqvg

Cryptographic Hash Functions

md5 51cb952450cb2ab8553e998ed341e514
sha1 d8c67b870f5e34945675c95445fe5f4fa578c408
sha256 b3f97c8b359789d5c086791cef726cf2f705829eb78b20af6e74baa260800992
sha512 07bf97438f6423641b66a3a66430ce3099a74024d4eb6b6cc784fde7854ca02c04431b0fc298ca49808b05af608f024a168356a679930908e6f8888c49909e43
ripemd-160 c94208647cbf201e6599fc2fdfc7f50e6f58fecd

81122956 as geometric shapes

Circle

Radius = n
Diameter 162245912
Circumference 509710565.21418
Area 2.0674613877302E+16

Sphere

Radius = n
Volume 2.2362477225139E+24
Surface area 8.2698455509209E+16
Circumference 509710565.21418

Square

Length = n
Perimeter 324491824
Area 6580933990177936
Diagonal 114725184.595

Cube

Length = n
Surface area 39485603941067616
Volume 5.3386481852411E+23
Space diagonal 140509081.45217

Equilateral Triangle

Length = n
Perimeter 243368868
Area 2.8496280080613E+15
Altitude 70254540.726087

Triangular Pyramid

Length = n
Surface area 2.8496280080613E+15
Volume 6.2916572235887E+22
Height 38241728.198332