81507675 (number)

81507675 is an odd 8-digits composite number following 81507674 and preceding 81507676. In scientific notation, it is written as 8.1507675 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 43470720 positive integers (up to 81507675) that are relatively prime to 81507675.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred seven thousand six hundred seventy-five

Notation

Scientific notation 8.1507675 × 10^7
Engineering notation 8.1507675 × 10^6

Prime Factorization of 81507675

Prime Factorization 3 × 25 × 1086769

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81507675
Product of the distinct prime numbers

The prime factorization of 81507675 is 3 × 25 × 1086769. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81507675)

Multiplication

n×y
n×2 163015350
n×3 244523025
n×4 326030700
n×5 407538375

Division

n÷y
n÷2 40753837.5
n÷3 27169225
n÷3 20376918.75
n÷5 16301535

Exponentiation

ny
n2 6643501083905625
n3 5.4149632720913E+23
n4 4.4136106651855E+31
n5 3.5974314367448E+39

Nth Root

y√n
2√n 9028.160111562
3√n 433.57693239698
4√n 95.016630710429
5√n 38.215513628965

Divisors of 81507675

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81507674
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81507675 can be divided by 8 positive divisors. The sum of these divisors (counting 81507675) is 1, the average is 0.125.

Base conversion 81507675

Base System Value
2 Binary 100110110111011010101011011
3 Ternary 12200101000111210
4 Quaternary 10312323111123
5 Quinary 131331221200
6 Senary 12030554203
8 Octal 466732533
10 Decimal 81507675
12 Duodecimal 23368963
16 Hexadecimal 4dbb55b
20 Vigesimal 159893f
36 Base36 1cizq3

Cryptographic Hash Functions

md5 b311a2ff175b84a65e9e93ff5ded0ec2
sha1 660e07c2b53b62884c86d1d4810e635373244f2d
sha256 3917b54bb98f54311895b455b3909feb61be49aab3cd803b5147ad45e8b22fe2
sha512 cc4569027be6fc972ec5948e5e248309eb7c0ace5d547d6c010267706a5d4b52f16795c0ba19f09a34ba4cb48ef6f48a01f6abcdb3ad973647c01a7a7f62bd4d
ripemd-160 70365fbb45cfc8e5488b4130ee349f0a503559cd

81507675 as geometric shapes

Circle

Radius = n
Diameter 163015350
Circumference 512127825.98237
Area 2.0871174199314E+16

Sphere

Radius = n
Volume 2.2682145113414E+24
Surface area 8.3484696797255E+16
Circumference 512127825.98237

Square

Length = n
Perimeter 326030700
Area 6643501083905625
Diagonal 115269259.4225

Cube

Length = n
Surface area 39861006503433750
Volume 5.4149632720913E+23
Space diagonal 141175434.30681

Equilateral Triangle

Length = n
Perimeter 244523025
Area 2.8767203543659E+15
Altitude 70587717.153406

Triangular Pyramid

Length = n
Surface area 2.8767203543659E+15
Volume 6.3815954159531E+22
Height 38423086.474166