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.
81444622 has 8 divisors, whose sum is 122639400
The reverse of 81444622 is 22644418
Previous prime number is 259
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million four hundred forty-four thousand six hundred twenty-two
Scientific notation
8.1444622 × 10^7
Engineering notation
8.1444622 × 10^6
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.
2 , 2 , 92 , 32 , 381 , 144 , 1513 , 6123 , 98264 , 23183 , 583275 , 317354 , 4327874 , 6388171 , 49234280 , 24777154 , 12764913 , 981104664 , 8741520032 , 5707671252
n×2
162889244
n×3
244333866
n×4
325778488
n×5
407223110
n÷2
40722311
n÷3
27148207.333333
n÷3
20361155.5
n÷5
16288924.4
n2
6633226452722884
n3
5.4024062108242E+23
n4
4.3999693173103E+31
n5
3.5835383785993E+39
2 √n
9024.6674176947
3 √n
433.46510088809
4 √n
94.998249550687
5 √n
38.209599219706
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
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
md5
089e5eecb9dfa1b8036769733d8de869
sha1
8f4e7eb01aa996b798bc80c652ec2a2a9dba898f
sha256
0b4982f3ef365b009102e0f7d95b2a4fdf35dc33913f64422dc9a8ca2d944b5c
sha512
37811e0185217e5c8c15e78340ba1687603ef3bbd7bd9109ff1ee99e70f84cc86ea9971aeb49711e57f42258f22d96004cba807c05066502bebfe03c7c68b465
ripemd-160
adcaf0b052313610f96f43afaf2b7be4b419de31
Diameter
162889244
Circumference
511731652.2992
Area
2.0838895493472E+16
Volume
2.2629546218177E+24
Surface area
8.3355581973887E+16
Circumference
511731652.2992
Perimeter
325778488
Area
6633226452722884
Diagonal
115180089.01475
Surface area
39799358716337304
Volume
5.4024062108242E+23
Space diagonal
141066223.30724
Perimeter
244333866
Area
2.8722713085565E+15
Altitude
70533111.653621
Surface area
2.8722713085565E+15
Volume
6.3667967773301E+22
Height
38393363.004917