81342654 (number)

81342654 is an even 8-digits composite number following 81342653 and preceding 81342655. In scientific notation, it is written as 8.1342654 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 25328640 positive integers (up to 81342654) that are relatively prime to 81342654.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred forty-two thousand six hundred fifty-four

Notation

Scientific notation 8.1342654 × 10^7
Engineering notation 8.1342654 × 10^6

Prime Factorization of 81342654

Prime Factorization 2 × 3 × 17 × 137 × 5821

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81342654
Product of the distinct prime numbers

The prime factorization of 81342654 is 2 × 3 × 17 × 137 × 5821. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81342654)

Multiplication

n×y
n×2 162685308
n×3 244027962
n×4 325370616
n×5 406713270

Division

n÷y
n÷2 40671327
n÷3 27114218
n÷3 20335663.5
n÷5 16268530.8

Exponentiation

ny
n2 6616627359763716
n3 5.3821402997219E+23
n4 4.3779757617974E+31
n5 3.5611616761227E+39

Nth Root

y√n
2√n 9019.0162434713
3√n 433.28412708857
4√n 94.968501322656
5√n 38.200026803586

Divisors of 81342654

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 -81342653
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 81342654 can be divided by 32 positive divisors. The sum of these divisors (counting 81342654) is 1, the average is 0.03125.

Base conversion 81342654

Base System Value
2 Binary 100110110010011000010111110
3 Ternary 12200001122010220
4 Quaternary 10312103002332
5 Quinary 131310431104
6 Senary 12023242210
8 Octal 466230276
10 Decimal 81342654
12 Duodecimal 232a9366
16 Hexadecimal 4d930be
20 Vigesimal 1587gce
36 Base36 1cfge6

Cryptographic Hash Functions

md5 ffd1d88ae4b0697ff06d33a33a019630
sha1 eba4e938a5c1cd93538ffada2d0014e73dfdb89f
sha256 94450edd865283728c92feecd4489a71054b8d457d0d5179f73fd4a78396543c
sha512 3c165381cca72cabd7b72290a13fe15bf6a28bae306138a7bdd344bda3db7c8e6890572bbff1723f227bd52e5020d1263ee1b11c5302c5e356511a7331b25ca1
ripemd-160 b60231c33fce6595d2998281455e66f24f582082

81342654 as geometric shapes

Circle

Radius = n
Diameter 162685308
Circumference 511090968.45979
Area 2.0786747904975E+16

Sphere

Radius = n
Volume 2.2544656568261E+24
Surface area 8.31469916199E+16
Circumference 511090968.45979

Square

Length = n
Perimeter 325370616
Area 6616627359763716
Diagonal 115035884.48622

Cube

Length = n
Surface area 39699764158582296
Volume 5.3821402997219E+23
Space diagonal 140889609.5505

Equilateral Triangle

Length = n
Perimeter 244027962
Area 2.8650836904653E+15
Altitude 70444804.775248

Triangular Pyramid

Length = n
Surface area 2.8650836904653E+15
Volume 6.3429131720513E+22
Height 38345294.828741