81497009 (number)

81497009 is an odd 8-digits composite number following 81497008 and preceding 81497010. In scientific notation, it is written as 8.1497009 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 74088080 positive integers (up to 81497009) that are relatively prime to 81497009.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1497009 × 10^7
Engineering notation 8.1497009 × 10^6

Prime Factorization of 81497009

Prime Factorization 121 × 673529

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81497009
Product of the distinct prime numbers

The prime factorization of 81497009 is 121 × 673529. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81497009)

Multiplication

n×y
n×2 162994018
n×3 244491027
n×4 325988036
n×5 407485045

Division

n÷y
n÷2 40748504.5
n÷3 27165669.666667
n÷3 20374252.25
n÷5 16299401.8

Exponentiation

ny
n2 6641762475946081
n3 5.4128377627804E+23
n4 4.4113008786885E+31
n5 3.5950782741219E+39

Nth Root

y√n
2√n 9027.5693849452
3√n 433.55801911347
4√n 95.013522116303
5√n 38.214513409034

Divisors of 81497009

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81497008
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81497009 can be divided by 4 positive divisors. The sum of these divisors (counting 81497009) is 1, the average is 0.25.

Base conversion 81497009

Base System Value
2 Binary 100110110111000101110110001
3 Ternary 12200100110212202
4 Quaternary 10312320232301
5 Quinary 131330401014
6 Senary 12030432545
8 Octal 466705661
10 Decimal 81497009
12 Duodecimal 23362755
16 Hexadecimal 4db8bb1
20 Vigesimal 15972a9
36 Base36 1cirht

Cryptographic Hash Functions

md5 3e750e66f73a870e72cb6f50e9f2be97
sha1 736eafe38590169deead05e59b44b9c26e18d0ea
sha256 e7d162a488b7b40d8f5baf14495161dc55e0f2b8b0c7b447359faf47cbe8653e
sha512 16e1610f407f0dd4ba9cb62e02025f41fb0cd8cd06ce013b650a7b219452d34b3fd8cb80dbc5ca1c5bc3f2366b2d80e519eb020f14f90528696111deaee8603c
ripemd-160 f4ed0ecc1777392272389098840624ce96cd339b

81497009 as geometric shapes

Circle

Radius = n
Diameter 162994018
Circumference 512060809.52788
Area 2.0865712201321E+16

Sphere

Radius = n
Volume 2.2673241800832E+24
Surface area 8.3462848805282E+16
Circumference 512060809.52788

Square

Length = n
Perimeter 325988036
Area 6641762475946081
Diagonal 115254175.42064

Cube

Length = n
Surface area 39850574855676486
Volume 5.4128377627804E+23
Space diagonal 141156960.2529

Equilateral Triangle

Length = n
Perimeter 244491027
Area 2.8759675150358E+15
Altitude 70578480.126449

Triangular Pyramid

Length = n
Surface area 2.8759675150358E+15
Volume 6.3790904792077E+22
Height 38418058.473547