81124525 (number)

81124525 is an odd 8-digits composite number following 81124524 and preceding 81124526. In scientific notation, it is written as 8.1124525 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 64899600 positive integers (up to 81124525) that are relatively prime to 81124525.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-four thousand five hundred twenty-five

Notation

Scientific notation 8.1124525 × 10^7
Engineering notation 8.1124525 × 10^6

Prime Factorization of 81124525

Prime Factorization 25 × 3244981

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81124525
Product of the distinct prime numbers

The prime factorization of 81124525 is 25 × 3244981. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81124525)

Multiplication

n×y
n×2 162249050
n×3 243373575
n×4 324498100
n×5 405622625

Division

n÷y
n÷2 40562262.5
n÷3 27041508.333333
n÷3 20281131.25
n÷5 16224905

Exponentiation

ny
n2 6581188556475625
n3 5.3389579557952E+23
n4 4.3312042815886E+31
n5 3.5136689002184E+39

Nth Root

y√n
2√n 9006.9153987367
3√n 432.89648118172
4√n 94.904770157968
5√n 38.179517303403

Divisors of 81124525

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 -81124524
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 81124525 can be divided by 4 positive divisors. The sum of these divisors (counting 81124525) is 1, the average is 0.25.

Base conversion 81124525

Base System Value
2 Binary 100110101011101110010101101
3 Ternary 12122122112221001
4 Quaternary 10311131302231
5 Quinary 131231441100
6 Senary 12014440301
8 Octal 465356255
10 Decimal 81124525
12 Duodecimal 23203091
16 Hexadecimal 4d5dcad
20 Vigesimal 1570b65
36 Base36 1cas31

Cryptographic Hash Functions

md5 1a58aa28779fdcc433db85137a05fdae
sha1 5346d774692468b0c1684e6d0b9163f1916bc5bc
sha256 8e5dcdb7ae71fa9748e4c8ebae503b7754d2edcf2c98300161c8f766a3da26f4
sha512 981dd236048ab0fc363a9a1d17be115ba4489c27da03dfb291f8dbcb8c3cc3c9f1544e553b91a422a5ee0042665de49fa4ef58942dd72f74ab8c36408577f00e
ripemd-160 7fcc7fcf8f6a9b400905808c908fed860f118bd4

81124525 as geometric shapes

Circle

Radius = n
Diameter 162249050
Circumference 509720423.53192
Area 2.0675413620913E+16

Sphere

Radius = n
Volume 2.2363774789001E+24
Surface area 8.2701654483652E+16
Circumference 509720423.53192

Square

Length = n
Perimeter 324498100
Area 6581188556475625
Diagonal 114727403.49608

Cube

Length = n
Surface area 39487131338853750
Volume 5.3389579557952E+23
Space diagonal 140511799.03989

Equilateral Triangle

Length = n
Perimeter 243373575
Area 2.8497382385017E+15
Altitude 70255899.519946

Triangular Pyramid

Length = n
Surface area 2.8497382385017E+15
Volume 6.2920222916878E+22
Height 38242467.832025