81302562 (number)

81302562 is an even 8-digits composite number following 81302561 and preceding 81302563. In scientific notation, it is written as 8.1302562 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 23522400 positive integers (up to 81302562) that are relatively prime to 81302562.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred two thousand five hundred sixty-two

Notation

Scientific notation 8.1302562 × 10^7
Engineering notation 8.1302562 × 10^6

Prime Factorization of 81302562

Prime Factorization 2 × 9 × 363 × 23 × 541

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81302562
Product of the distinct prime numbers

The prime factorization of 81302562 is 2 × 9 × 363 × 23 × 541. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81302562)

Multiplication

n×y
n×2 162605124
n×3 243907686
n×4 325210248
n×5 406512810

Division

n÷y
n÷2 40651281
n÷3 27100854
n÷3 20325640.5
n÷5 16260512.4

Exponentiation

ny
n2 6610106587763844
n3 5.3741860067828E+23
n4 4.3693509101599E+31
n5 3.5523942327303E+39

Nth Root

y√n
2√n 9016.7933324436
3√n 433.21292999367
4√n 94.956797189267
5√n 38.196260470847

Divisors of 81302562

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81302561
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81302562 can be divided by 32 positive divisors. The sum of these divisors (counting 81302562) is 1, the average is 0.03125.

Base conversion 81302562

Base System Value
2 Binary 100110110001001010000100010
3 Ternary 12122222121011000
4 Quaternary 10312021100202
5 Quinary 131303140222
6 Senary 12022332430
8 Octal 466112042
10 Decimal 81302562
12 Duodecimal 2328a116
16 Hexadecimal 4d89422
20 Vigesimal 1582g82
36 Base36 1celgi

Cryptographic Hash Functions

md5 c4830d6253f4f3876d11d22ab0ab0ae1
sha1 c2c3d2af1e98744cf7e69413aaadf5994c739abf
sha256 04ed2fa01fb7a53c78c25f97bba98a517fc4f07aaeb837bf2b8727b2c476858d
sha512 a260817d79f3643500f9cdb76d336413bb216162c95905e50b197a88ccebb31c491d3e1701c78b30ed7e639471ce45b24e15f7035c8e40337941b1a0ae5a0903
ripemd-160 67ca259089122914a05c6b2af347dd9af5a4d876

81302562 as geometric shapes

Circle

Radius = n
Diameter 162605124
Circumference 510839062.99446
Area 2.0766262295564E+16

Sphere

Radius = n
Volume 2.2511337703912E+24
Surface area 8.3065049182258E+16
Circumference 510839062.99446

Square

Length = n
Perimeter 325210248
Area 6610106587763844
Diagonal 114979185.83608

Cube

Length = n
Surface area 39660639526583064
Volume 5.3741860067828E+23
Space diagonal 140820168.16952

Equilateral Triangle

Length = n
Perimeter 243907686
Area 2.8622601133632E+15
Altitude 70410084.084759

Triangular Pyramid

Length = n
Surface area 2.8622601133632E+15
Volume 6.3335389479233E+22
Height 38326395.278693