81328051 (number)

81328051 is an odd 8-digits composite number following 81328050 and preceding 81328052. In scientific notation, it is written as 8.1328051 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors. There are 62899200 positive integers (up to 81328051) that are relatively prime to 81328051.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred twenty-eight thousand fifty-one

Notation

Scientific notation 8.1328051 × 10^7
Engineering notation 8.1328051 × 10^6

Prime Factorization of 81328051

Prime Factorization 7 × 79 × 17 × 41 × 211

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81328051
Product of the distinct prime numbers

The prime factorization of 81328051 is 7 × 79 × 17 × 41 × 211. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 8, 21, 26, 659, 855, 6104, 2367, 67288, 66903, 382585, 630296, 7333047, 3947580, 3003767, 55010895, 479963247, 655134125, 5343564907, 9018116868

Basic calculations (n = 81328051)

Multiplication

n×y
n×2 162656102
n×3 243984153
n×4 325312204
n×5 406640255

Division

n÷y
n÷2 40664025.5
n÷3 27109350.333333
n÷3 20332012.75
n÷5 16265610.2

Exponentiation

ny
n2 6614251879458601
n3 5.3792421417945E+23
n4 4.3748327924922E+31
n5 3.5579662446428E+39

Nth Root

y√n
2√n 9018.2066399035
3√n 433.25819716347
4√n 94.964238742295
5√n 38.198655136874

Divisors of 81328051

1, 7, 17, 41, 79, 119, 211, 287, 553, 697, 1343, 1477, 3239, 3587, 4879, 8651, 9401, 16669, 22673, 25109, 55063, 60557, 116683, 147067, 283373, 385441, 683429, 1029469, 1983611, 4784003, 11618293, 81328051

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81328050
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81328051 can be divided by 32 positive divisors. The sum of these divisors (counting 81328051) is 1, the average is 0.03125.

Base conversion 81328051

Base System Value
2 Binary 100110110001111011110110011
3 Ternary 12200000220010001
4 Quaternary 10312033132303
5 Quinary 131304444201
6 Senary 12023050431
8 Octal 466173663
10 Decimal 81328051
12 Duodecimal 232a0a17
16 Hexadecimal 4d8f7b3
20 Vigesimal 158602b
36 Base36 1cf54j

Cryptographic Hash Functions

md5 0d20b6677d91045a00cd76d7ac59197e
sha1 33ee0a731574d5d4494bae35ba8dcb77a22a8d8c
sha256 e76a84f361411bdeacebcdc2d6c2c2fe6db15321b3fd9eaf5811a0b234e0976c
sha512 ee32f04943c30373896170aca802272629b05abae2511a6d01d5e1ebcb13ac3d53463861e38f6f50ae0135ef82512915e1216f2a1ea5ce041e79a34e84ab5060
ripemd-160 ec5e88a8ebad53d9b4d160d0532553934bcbf52f

81328051 as geometric shapes

Circle

Radius = n
Diameter 162656102
Circumference 510999215.10475
Area 2.07792851135E+16

Sphere

Radius = n
Volume 2.2532516792723E+24
Surface area 8.3117140453998E+16
Circumference 510999215.10475

Square

Length = n
Perimeter 325312204
Area 6614251879458601
Diagonal 115015232.72557

Cube

Length = n
Surface area 39685511276751606
Volume 5.3792421417945E+23
Space diagonal 140864316.41255

Equilateral Triangle

Length = n
Perimeter 243984153
Area 2.8640550773201E+15
Altitude 70432158.206276

Triangular Pyramid

Length = n
Surface area 2.8640550773201E+15
Volume 6.339497660179E+22
Height 38338410.908524