81250135 (number)

81250135 is an odd 8-digits composite number following 81250134 and preceding 81250136. In scientific notation, it is written as 8.1250135 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 65000104 positive integers (up to 81250135) that are relatively prime to 81250135.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred fifty thousand one hundred thirty-five

Notation

Scientific notation 8.1250135 × 10^7
Engineering notation 8.1250135 × 10^6

Prime Factorization of 81250135

Prime Factorization 5 × 16250027

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81250135
Product of the distinct prime numbers

The prime factorization of 81250135 is 5 × 16250027. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81250135)

Multiplication

n×y
n×2 162500270
n×3 243750405
n×4 325000540
n×5 406250675

Division

n÷y
n÷2 40625067.5
n÷3 27083378.333333
n÷3 20312533.75
n÷5 16250027

Exponentiation

ny
n2 6601584437518225
n3 5.3637962676225E+23
n4 4.3580917085683E+31
n5 3.5409553966355E+39

Nth Root

y√n
2√n 9013.8856771095
3√n 433.11979255192
4√n 94.941485542989
5√n 38.191333117962

Divisors of 81250135

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81250134
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81250135 can be divided by 4 positive divisors. The sum of these divisors (counting 81250135) is 1, the average is 0.25.

Base conversion 81250135

Base System Value
2 Binary 100110101111100011101010111
3 Ternary 12122212221020021
4 Quaternary 10311330131113
5 Quinary 131300001020
6 Senary 12021250011
8 Octal 465743527
10 Decimal 81250135
12 Duodecimal 23263907
16 Hexadecimal 4d7c757
20 Vigesimal 157g56f
36 Base36 1cdh07

Cryptographic Hash Functions

md5 b1a4a0ad33302621bdab505babcddf6d
sha1 a3e9e1800b5befeb62eb24f6b046f1609d221edb
sha256 d25e4b2111cceb5399336d9c4ac7047489fa006da4ab2f4960f8eab008478a40
sha512 ff5a33c0e551bf825113be3000a53795096f9566feb9a0f95a5a64912799943fbc9d6fc2989a2767e6f00d8c57dee9dae0fb079216483f2c5f8602e5e41422b6
ripemd-160 a1e7dc0383b39be11f6ce90abc87314eacff32cc

81250135 as geometric shapes

Circle

Radius = n
Diameter 162500270
Circumference 510509654.43836
Area 2.073948917096E+16

Sphere

Radius = n
Volume 2.2467817266287E+24
Surface area 8.295795668384E+16
Circumference 510509654.43836

Square

Length = n
Perimeter 325000540
Area 6601584437518225
Diagonal 114905042.86164

Cube

Length = n
Surface area 39609506625109350
Volume 5.3637962676225E+23
Space diagonal 140729361.94183

Equilateral Triangle

Length = n
Perimeter 243750405
Area 2.8585699140594E+15
Altitude 70364680.970915

Triangular Pyramid

Length = n
Surface area 2.8585699140594E+15
Volume 6.3212945228983E+22
Height 38301680.953882