81760440 (number)

81760440 is an even 8-digits composite number following 81760439 and preceding 81760441. In scientific notation, it is written as 8.1760440 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors. There are 21802752 positive integers (up to 81760440) that are relatively prime to 81760440.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred sixty thousand four hundred forty

Notation

Scientific notation 8.1760440 × 10^7
Engineering notation 8.1760440 × 10^6

Prime Factorization of 81760440

Prime Factorization 2 × 2 × 2 × 3 × 5 × 681337

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20440110
Product of the distinct prime numbers

The prime factorization of 81760440 is 2 × 2 × 2 × 3 × 5 × 681337. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81760440)

Multiplication

n×y
n×2 163520880
n×3 245281320
n×4 327041760
n×5 408802200

Division

n÷y
n÷2 40880220
n÷3 27253480
n÷3 20440110
n÷5 16352088

Exponentiation

ny
n2 6684769548993600
n3 5.4654969962432E+23
n4 4.4686143923152E+31
n5 3.6535587890602E+39

Nth Root

y√n
2√n 9042.1479749007
3√n 434.02466111715
4√n 95.090209669033
5√n 38.239186453372

Divisors of 81760440

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 -81760439
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 81760440 can be divided by 32 positive divisors. The sum of these divisors (counting 81760440) is 1, the average is 0.03125.

Base conversion 81760440

Base System Value
2 Binary 100110111111001000010111000
3 Ternary 12200211212020110
4 Quaternary 10313321002320
5 Quinary 131412313230
6 Senary 12040224320
8 Octal 467710270
10 Decimal 81760440
12 Duodecimal 2346b0a0
16 Hexadecimal 4df90b8
20 Vigesimal 15b0120
36 Base36 1coerc

Cryptographic Hash Functions

md5 16fc445f570ac1b407666ea7230e66db
sha1 a01dca413107d41c2e0d5075eb9b6b0b0584ba18
sha256 40f9377f15a66bb31d7b280114da4a871ee0f2252e5c1ecdeee4e94a6a0787b9
sha512 e6d7ae4fe81d413f54d763c930de61e0940678de2aa50448caf1c17d63a73063922528659e06eb65e03d0107902191ea6a44aad9ed864305180accf313e3239f
ripemd-160 df2a2c62a47adef586c1554e2345c366739c2387

81760440 as geometric shapes

Circle

Radius = n
Diameter 163520880
Circumference 513715995.31654
Area 2.1000822906059E+16

Sphere

Radius = n
Volume 2.2893820282153E+24
Surface area 8.4003291624236E+16
Circumference 513715995.31654

Square

Length = n
Perimeter 327041760
Area 6684769548993600
Diagonal 115626723.11359

Cube

Length = n
Surface area 40108617293961600
Volume 5.4654969962432E+23
Space diagonal 141613236.12919

Equilateral Triangle

Length = n
Perimeter 245281320
Area 2.8945901239366E+15
Altitude 70806618.064593

Triangular Pyramid

Length = n
Surface area 2.8945901239366E+15
Volume 6.4411499809971E+22
Height 38542241.037864