81497142 (number)

81497142 is an even 8-digits composite number following 81497141 and preceding 81497143. In scientific notation, it is written as 8.1497142 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 25984464 positive integers (up to 81497142) that are relatively prime to 81497142.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-seven thousand one hundred forty-two

Notation

Scientific notation 8.1497142 × 10^7
Engineering notation 8.1497142 × 10^6

Prime Factorization of 81497142

Prime Factorization 2 × 3 × 3 × 23 × 196853

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 27165714
Product of the distinct prime numbers

The prime factorization of 81497142 is 2 × 3 × 3 × 23 × 196853. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 8, 16, 73, 286, 687, 9997, 1145, 14734, 40580, 850808, 262118, 4579255, 6529642, 3397324, 19002832, 74188401, 251745578, 5963128019, 4873809330

Basic calculations (n = 81497142)

Multiplication

n×y
n×2 162994284
n×3 244491426
n×4 325988568
n×5 407485710

Division

n÷y
n÷2 40748571
n÷3 27165714
n÷3 20374285.5
n÷5 16299428.4

Exponentiation

ny
n2 6641784154168164
n3 5.4128642634559E+23
n4 4.4113296750559E+31
n5 3.5951076093685E+39

Nth Root

y√n
2√n 9027.5767512661
3√n 433.55825496337
4√n 95.013560880887
5√n 38.21452588195

Divisors of 81497142

1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 196853, 393706, 590559, 1181118, 1771677, 3543354, 4527619, 9055238, 13582857, 27165714, 40748571, 81497142

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81497141
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81497142 can be divided by 24 positive divisors. The sum of these divisors (counting 81497142) is 1, the average is 0.041666666666667.

Base conversion 81497142

Base System Value
2 Binary 100110110111000110000110110
3 Ternary 12200100111001200
4 Quaternary 10312320300312
5 Quinary 131330402032
6 Senary 12030433330
8 Octal 466706066
10 Decimal 81497142
12 Duodecimal 23362846
16 Hexadecimal 4db8c36
20 Vigesimal 15972h2
36 Base36 1cirli

Cryptographic Hash Functions

md5 02fce5e84b5373cedec5956522a6e7f6
sha1 9ed5bd0847a9de6f89a6fd0119f4e5d6c55a6eae
sha256 3625003b919e37137d6ff0f0267555322ee3836ddc320a8dc2713c0cfe23dbde
sha512 e1e3469174bc16f52d8119a63e1ed2425488cc1b1d6effd06e75de414434e963aa644958182c01e2cffe61d0312d10ec169e180334c8f80e523f23d8d917c792
ripemd-160 ff8b1b68af9d734229c83a65631e9ce48c1af53c

81497142 as geometric shapes

Circle

Radius = n
Diameter 162994284
Circumference 512061645.19153
Area 2.0865780305464E+16

Sphere

Radius = n
Volume 2.2673352806602E+24
Surface area 8.3463121221855E+16
Circumference 512061645.19153

Square

Length = n
Perimeter 325988568
Area 6641784154168164
Diagonal 115254363.51105

Cube

Length = n
Surface area 39850704925008984
Volume 5.4128642634559E+23
Space diagonal 141157190.61566

Equilateral Triangle

Length = n
Perimeter 244491426
Area 2.8759769019813E+15
Altitude 70578595.307828

Triangular Pyramid

Length = n
Surface area 2.8759769019813E+15
Volume 6.3791217105534E+22
Height 38418121.170349