81444622 (number)

81444622 is an even 8-digits composite number following 81444621 and preceding 81444623. In scientific notation, it is written as 8.1444622 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 33961248 positive integers (up to 81444622) that are relatively prime to 81444622.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred forty-four thousand six hundred twenty-two

Notation

Scientific notation 8.1444622 × 10^7
Engineering notation 8.1444622 × 10^6

Prime Factorization of 81444622

Prime Factorization 2 × 259 × 157229

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81444622
Product of the distinct prime numbers

The prime factorization of 81444622 is 2 × 259 × 157229. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81444622)

Multiplication

n×y
n×2 162889244
n×3 244333866
n×4 325778488
n×5 407223110

Division

n÷y
n÷2 40722311
n÷3 27148207.333333
n÷3 20361155.5
n÷5 16288924.4

Exponentiation

ny
n2 6633226452722884
n3 5.4024062108242E+23
n4 4.3999693173103E+31
n5 3.5835383785993E+39

Nth Root

y√n
2√n 9024.6674176947
3√n 433.46510088809
4√n 94.998249550687
5√n 38.209599219706

Divisors of 81444622

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 -81444621
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 81444622 can be divided by 8 positive divisors. The sum of these divisors (counting 81444622) is 1, the average is 0.125.

Base conversion 81444622

Base System Value
2 Binary 100110110101011111100001110
3 Ternary 12200020211000111
4 Quaternary 10312223330032
5 Quinary 131322211442
6 Senary 12025350234
8 Octal 466537416
10 Decimal 81444622
12 Duodecimal 2333837a
16 Hexadecimal 4dabf0e
20 Vigesimal 1590bb2
36 Base36 1chn2m

Cryptographic Hash Functions

md5 089e5eecb9dfa1b8036769733d8de869
sha1 8f4e7eb01aa996b798bc80c652ec2a2a9dba898f
sha256 0b4982f3ef365b009102e0f7d95b2a4fdf35dc33913f64422dc9a8ca2d944b5c
sha512 37811e0185217e5c8c15e78340ba1687603ef3bbd7bd9109ff1ee99e70f84cc86ea9971aeb49711e57f42258f22d96004cba807c05066502bebfe03c7c68b465
ripemd-160 adcaf0b052313610f96f43afaf2b7be4b419de31

81444622 as geometric shapes

Circle

Radius = n
Diameter 162889244
Circumference 511731652.2992
Area 2.0838895493472E+16

Sphere

Radius = n
Volume 2.2629546218177E+24
Surface area 8.3355581973887E+16
Circumference 511731652.2992

Square

Length = n
Perimeter 325778488
Area 6633226452722884
Diagonal 115180089.01475

Cube

Length = n
Surface area 39799358716337304
Volume 5.4024062108242E+23
Space diagonal 141066223.30724

Equilateral Triangle

Length = n
Perimeter 244333866
Area 2.8722713085565E+15
Altitude 70533111.653621

Triangular Pyramid

Length = n
Surface area 2.8722713085565E+15
Volume 6.3667967773301E+22
Height 38393363.004917