81725535 (number)

81725535 is an odd 8-digits composite number following 81725534 and preceding 81725536. In scientific notation, it is written as 8.1725535 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 43059840 positive integers (up to 81725535) that are relatively prime to 81725535.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred twenty-five thousand five hundred thirty-five

Notation

Scientific notation 8.1725535 × 10^7
Engineering notation 8.1725535 × 10^6

Prime Factorization of 81725535

Prime Factorization 3 × 3 × 5 × 83 × 21881

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 27241845
Product of the distinct prime numbers

The prime factorization of 81725535 is 3 × 3 × 5 × 83 × 21881. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 3, 81, 54, 244, 956, 9078, 6222, 46456, 84945, 655952, 354986, 7838665, 7890024, 72277186, 84525727, 76257145, 79553384, 1499318361, 1074000302

Basic calculations (n = 81725535)

Multiplication

n×y
n×2 163451070
n×3 245176605
n×4 326902140
n×5 408627675

Division

n÷y
n÷2 40862767.5
n÷3 27241845
n÷3 20431383.75
n÷5 16345107

Exponentiation

ny
n2 6679063071036225
n3 5.4585000277918E+23
n4 4.460988350688E+31
n5 3.6457665958874E+39

Nth Root

y√n
2√n 9040.2176411854
3√n 433.96288801845
4√n 95.080059114335
5√n 38.235920896604

Divisors of 81725535

1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 21881, 65643, 109405, 196929, 328215, 984645, 1816123, 5448369, 9080615, 16345107, 27241845, 81725535

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 -81725534
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 81725535 can be divided by 24 positive divisors. The sum of these divisors (counting 81725535) is 1, the average is 0.041666666666667.

Base conversion 81725535

Base System Value
2 Binary 100110111110000100001011111
3 Ternary 12200210002100200
4 Quaternary 10313300201133
5 Quinary 131410204120
6 Senary 12035354543
8 Octal 467604137
10 Decimal 81725535
12 Duodecimal 23452a53
16 Hexadecimal 4df085f
20 Vigesimal 15afdgf
36 Base36 1cnntr

Cryptographic Hash Functions

md5 9224baa88f73287461d300de08c417ad
sha1 e4aaaf8a24d966326e54815b6c1cfb6bb6f2e26f
sha256 3d1b3167249108de130cb569dec0343511261accb5ad779e8469d523e20e99f9
sha512 73acc1a2aafb654a987ab0beddda6b6a3f50ef0b1320746165d70abbe462f73b1d568dac9212906aed5d488ad27358b8247cd21679b49c692e3f38ab5b31aaea
ripemd-160 1beef0d9a2a0cb1f379fe043099a01a90c57eee5

81725535 as geometric shapes

Circle

Radius = n
Diameter 163451070
Circumference 513496680.73339
Area 2.098289547683E+16

Sphere

Radius = n
Volume 2.286451144924E+24
Surface area 8.3931581907321E+16
Circumference 513496680.73339

Square

Length = n
Perimeter 326902140
Area 6679063071036225
Diagonal 115577359.9892

Cube

Length = n
Surface area 40074378426217350
Volume 5.4585000277918E+23
Space diagonal 141552778.89575

Equilateral Triangle

Length = n
Perimeter 245176605
Area 2.8921191464979E+15
Altitude 70776389.447874

Triangular Pyramid

Length = n
Surface area 2.8921191464979E+15
Volume 6.4329039745975E+22
Height 38525786.663066