81072533 (number)

81072533 is an odd 8-digits composite number following 81072532 and preceding 81072534. In scientific notation, it is written as 8.1072533 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 78457260 positive integers (up to 81072533) that are relatively prime to 81072533.

Interesting facts

Basic properties

Name

Name eighty-one million seventy-two thousand five hundred thirty-three

Notation

Scientific notation 8.1072533 × 10^7
Engineering notation 8.1072533 × 10^6

Prime Factorization of 81072533

Prime Factorization 31 × 2615243

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81072533
Product of the distinct prime numbers

The prime factorization of 81072533 is 31 × 2615243. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81072533)

Multiplication

n×y
n×2 162145066
n×3 243217599
n×4 324290132
n×5 405362665

Division

n÷y
n÷2 40536266.5
n÷3 27024177.666667
n÷3 20268133.25
n÷5 16214506.6

Exponentiation

ny
n2 6572755607036089
n3 5.3286994585237E+23
n4 4.3201116269824E+31
n5 3.5024239244222E+39

Nth Root

y√n
2√n 9004.0287094167
3√n 432.80398155938
4√n 94.889560592389
5√n 38.174622264487

Divisors of 81072533

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 -81072532
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 81072533 can be divided by 4 positive divisors. The sum of these divisors (counting 81072533) is 1, the average is 0.25.

Base conversion 81072533

Base System Value
2 Binary 100110101010001000110010101
3 Ternary 12122112220121102
4 Quaternary 10311101012111
5 Quinary 131223310113
6 Senary 12013355445
8 Octal 465210625
10 Decimal 81072533
12 Duodecimal 23198b85
16 Hexadecimal 4d51195
20 Vigesimal 156e16d
36 Base36 1c9nyt

Cryptographic Hash Functions

md5 b90d85986a72d20465baababeb512c83
sha1 36009b87e0be385b848a20b56d979bd6eed87b3d
sha256 8b6f7f698a82e74d4bc6d31491a274173d9adc9396a5a127fba284c4694eca30
sha512 bc7b930ed725ab8e52ad76a18d123e114ab28d4ba4829e26510f7b23a0417f4be2282c019c753843c3b151c9ec0353bfd4be69468418ddcf6b744bddb5e4907e
ripemd-160 d816341a23f003f2ee249c40a0bf34b16d51248a

81072533 as geometric shapes

Circle

Radius = n
Diameter 162145066
Circumference 509393748.16143
Area 2.0648920728906E+16

Sphere

Radius = n
Volume 2.2320804096115E+24
Surface area 8.2595682915623E+16
Circumference 509393748.16143

Square

Length = n
Perimeter 324290132
Area 6572755607036089
Diagonal 114653875.70454

Cube

Length = n
Surface area 39436533642216534
Volume 5.3286994585237E+23
Space diagonal 140421746.2543

Equilateral Triangle

Length = n
Perimeter 243217599
Area 2.8460866642799E+15
Altitude 70210873.127152

Triangular Pyramid

Length = n
Surface area 2.8460866642799E+15
Volume 6.279932536712E+22
Height 38217958.56818