81497154 (number)

81497154 is an even 8-digits composite number following 81497153 and preceding 81497155. In scientific notation, it is written as 8.1497154 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 26587632 positive integers (up to 81497154) that are relatively prime to 81497154.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1497154 × 10^7
Engineering notation 8.1497154 × 10^6

Prime Factorization of 81497154

Prime Factorization 2 × 3 × 47 × 288997

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81497154
Product of the distinct prime numbers

The prime factorization of 81497154 is 2 × 3 × 47 × 288997. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81497154)

Multiplication

n×y
n×2 162994308
n×3 244491462
n×4 325988616
n×5 407485770

Division

n÷y
n÷2 40748577
n÷3 27165718
n÷3 20374288.5
n÷5 16299430.8

Exponentiation

ny
n2 6641786110099716
n3 5.4128666544986E+23
n4 4.4113322732314E+31
n5 3.5951102561671E+39

Nth Root

y√n
2√n 9027.5774158962
3√n 433.55827624305
4√n 95.013564378442
5√n 38.214527007325

Divisors of 81497154

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81497153
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81497154 can be divided by 16 positive divisors. The sum of these divisors (counting 81497154) is 1, the average is 0.0625.

Base conversion 81497154

Base System Value
2 Binary 100110110111000110001000010
3 Ternary 12200100111002010
4 Quaternary 10312320301002
5 Quinary 131330402104
6 Senary 12030433350
8 Octal 466706102
10 Decimal 81497154
12 Duodecimal 23362856
16 Hexadecimal 4db8c42
20 Vigesimal 15972he
36 Base36 1cirlu

Cryptographic Hash Functions

md5 138660575ea179cb2debbb7738c8f565
sha1 44aa8764d7a41e702784e269da72f2c3f022a31f
sha256 22cfb465c01c435c86d30d6f567fe0e828ebf4d89ff25fe5fdd2083fb56ba84d
sha512 c7995dada64b5c43aa657e99dd0a3c59ac5efddbdacf8651680e184113f292242c17064fc2e163014e874e70eaea5feb106c27a45a9f07beb1546b91790a34d2
ripemd-160 655b573e98554e3d41ddbb94e2a2b666d74cb979

81497154 as geometric shapes

Circle

Radius = n
Diameter 162994308
Circumference 512061720.58975
Area 2.0865786450204E+16

Sphere

Radius = n
Volume 2.2673362822179E+24
Surface area 8.3463145800816E+16
Circumference 512061720.58975

Square

Length = n
Perimeter 325988616
Area 6641786110099716
Diagonal 115254380.48161

Cube

Length = n
Surface area 39850716660598296
Volume 5.4128666544986E+23
Space diagonal 141157211.40027

Equilateral Triangle

Length = n
Perimeter 244491462
Area 2.8759777489245E+15
Altitude 70578605.700133

Triangular Pyramid

Length = n
Surface area 2.8759777489245E+15
Volume 6.3791245284241E+22
Height 38418126.827203