81497151 (number)

81497151 is an odd 8-digits composite number following 81497150 and preceding 81497152. In scientific notation, it is written as 8.1497151 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 54331416 positive integers (up to 81497151) that are relatively prime to 81497151.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1497151 × 10^7
Engineering notation 8.1497151 × 10^6

Prime Factorization of 81497151

Prime Factorization 9 × 3 × 3018413

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81497151
Product of the distinct prime numbers

The prime factorization of 81497151 is 9 × 3 × 3018413. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81497151)

Multiplication

n×y
n×2 162994302
n×3 244491453
n×4 325988604
n×5 407485755

Division

n÷y
n÷2 40748575.5
n÷3 27165717
n÷3 20374287.75
n÷5 16299430.2

Exponentiation

ny
n2 6641785621116801
n3 5.4128660567378E+23
n4 4.4113316236874E+31
n5 3.5951095944673E+39

Nth Root

y√n
2√n 9027.5772497387
3√n 433.55827092313
4√n 95.013563504053
5√n 38.214526725981

Divisors of 81497151

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81497150
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81497151 can be divided by 8 positive divisors. The sum of these divisors (counting 81497151) is 1, the average is 0.125.

Base conversion 81497151

Base System Value
2 Binary 100110110111000110000111111
3 Ternary 12200100111002000
4 Quaternary 10312320300333
5 Quinary 131330402101
6 Senary 12030433343
8 Octal 466706077
10 Decimal 81497151
12 Duodecimal 23362853
16 Hexadecimal 4db8c3f
20 Vigesimal 15972hb
36 Base36 1cirlr

Cryptographic Hash Functions

md5 60dc3f302a5345b8b071267dce8b6b0f
sha1 6c7f3ac80ab8ecc3573b19113b2598e4e93aa978
sha256 d13c0bd9099ab476d2c9f13088c4536179afc20f908e1febae02b76adde6dfaf
sha512 f1c4265a5ec4095310411ee0129bdcbbefe47432dd23951861d9e607ff0cbb1b5747586e4867b49edb501469faa790a33abb3e02228d7775d9735396c8052ec0
ripemd-160 b685482b8da216aca24f6364dc877877e2cbdd00

81497151 as geometric shapes

Circle

Radius = n
Diameter 162994302
Circumference 512061701.7402
Area 2.0865784914019E+16

Sphere

Radius = n
Volume 2.2673360318284E+24
Surface area 8.3463139656075E+16
Circumference 512061701.7402

Square

Length = n
Perimeter 325988604
Area 6641785621116801
Diagonal 115254376.23897

Cube

Length = n
Surface area 39850713726700806
Volume 5.4128660567378E+23
Space diagonal 141157206.20411

Equilateral Triangle

Length = n
Perimeter 244491453
Area 2.8759775371887E+15
Altitude 70578603.102056

Triangular Pyramid

Length = n
Surface area 2.8759775371887E+15
Volume 6.3791238239564E+22
Height 38418125.412989