81497453 (number)

81497453 is an odd 8-digits composite number following 81497452 and preceding 81497454. In scientific notation, it is written as 8.1497453 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 78687168 positive integers (up to 81497453) that are relatively prime to 81497453.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-seven thousand four hundred fifty-three

Notation

Scientific notation 8.1497453 × 10^7
Engineering notation 8.1497453 × 10^6

Prime Factorization of 81497453

Prime Factorization 29 × 2810257

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81497453
Product of the distinct prime numbers

The prime factorization of 81497453 is 29 × 2810257. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81497453)

Multiplication

n×y
n×2 162994906
n×3 244492359
n×4 325989812
n×5 407487265

Division

n÷y
n÷2 40748726.5
n÷3 27165817.666667
n÷3 20374363.25
n÷5 16299490.6

Exponentiation

ny
n2 6641834845487209
n3 5.4129262315386E+23
n4 4.4113970114728E+31
n5 3.5951762060685E+39

Nth Root

y√n
2√n 9027.5939762486
3√n 433.55880646102
4√n 95.013651525708
5√n 38.214555047879

Divisors of 81497453

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 -81497452
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 81497453 can be divided by 4 positive divisors. The sum of these divisors (counting 81497453) is 1, the average is 0.25.

Base conversion 81497453

Base System Value
2 Binary 100110110111000110101101101
3 Ternary 12200100111111012
4 Quaternary 10312320311231
5 Quinary 131330404303
6 Senary 12030435005
8 Octal 466706555
10 Decimal 81497453
12 Duodecimal 23362a65
16 Hexadecimal 4db8d6d
20 Vigesimal 15973cd
36 Base36 1ciru5

Cryptographic Hash Functions

md5 34ccc6815580bdf8d5c4db11126ca2c4
sha1 2405ee93230f36261dbfad807db1cb61f993f5e5
sha256 c66e804e99ebc58db8c59de2a2ea1f051f6649c0dffaf7dd661c289898cedf3c
sha512 5c9c9431cb3f508092326098edfb14481e7487015eb50c10e1dc2d359152cae2c0ac701fa15a291d34902d66b47e315fceec7f1ebd045c1ecba8c4cf5be8e66c
ripemd-160 0955a284df623064f349bfbcb082b96d00e698da

81497453 as geometric shapes

Circle

Radius = n
Diameter 162994906
Circumference 512063599.26216
Area 2.0865939556939E+16

Sphere

Radius = n
Volume 2.26736123779E+24
Surface area 8.3463758227757E+16
Circumference 512063599.26216

Square

Length = n
Perimeter 325989812
Area 6641834845487209
Diagonal 115254803.33146

Cube

Length = n
Surface area 39851009072923254
Volume 5.4129262315386E+23
Space diagonal 141157729.28346

Equilateral Triangle

Length = n
Perimeter 244492359
Area 2.8759988519663E+15
Altitude 70578864.641728

Triangular Pyramid

Length = n
Surface area 2.8759988519663E+15
Volume 6.3791947406391E+22
Height 38418267.777155