20221681 is an odd 8-digits composite number following 20221680
and preceding 20221682 . In scientific notation, it is written as 2.0221681 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 18969552 positive integers (up to 20221681) that are relatively prime to 20221681.
20221681 has 8 divisors, whose sum is 21494720
The reverse of 20221681 is 18612202
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million two hundred twenty-one thousand six hundred eighty-one
Scientific notation
2.0221681 × 10^7
Engineering notation
2.0221681 × 10^6
Prime Factorization
19 × 103 × 10333
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20221681
Product of the distinct prime numbers
The prime factorization of 20221681 is 19 × 103 × 10333.
Since it has a total of 3 prime factors.
7 , 10 , 36 , 2 , 795 , 335 , 5345 , 122 , 60140 , 37447 , 397089 , 333615 , 3767687 , 5230310 , 44305006 , 79401306 , 348093977 , 293173501 , 5130317136 , 323399354
n×2
40443362
n×3
60665043
n×4
80886724
n×5
101108405
n÷2
10110840.5
n÷3
6740560.3333333
n÷3
5055420.25
n÷5
4044336.2
n2
408916382465761
n3
8.2689766418966E+21
n4
1.6721260784888E+29
n5
3.3813200150982E+36
2 √n
4496.8523435843
3 √n
272.44097029598
4 √n
67.058573975177
5 √n
28.917680229883
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
-20221680
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 20221681 can be divided by 8 positive divisors.
The sum of these divisors (counting 20221681) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001000111011110001
3
Ternary
1102001100221011
4
Quaternary
1031020323301
5
Quinary
20134043211
6
Senary
2001230521
8
Octal
115107361
10
Decimal
20221681
12
Duodecimal
6932441
16
Hexadecimal
1348ef1
20
Vigesimal
667e41
36
Base36
c1f5d
md5
a2482031f3a96fe649411cba5b546d49
sha1
3966a1ac848bc11f144f748f1ddfc1f3610fe9f8
sha256
19fda0591b74386843775840d8098b48792260ea6e34fb3a415425959161d270
sha512
bba01468ccf287880a3c50824d1e7430f981284219681b50d6989e521890b05ef05bd0a8fa96e0160fb4a6ff24b34b55eff52242f06258205802b91556da6227
ripemd-160
915e3c1925f8b037e329883763cfc01cbb1701a7
Diameter
40443362
Circumference
127056568.94567
Area
1.2846487030869E+15
Volume
3.4637008361184E+22
Surface area
5.1385948123478E+15
Circumference
127056568.94567
Perimeter
80886724
Area
408916382465761
Diagonal
28597775.524182
Surface area
2453498294794566
Volume
8.2689766418966E+21
Space diagonal
35024978.90645
Perimeter
60665043
Area
1.7706598761949E+14
Altitude
17512489.453225
Surface area
1.7706598761949E+14
Volume
9.7450824282638E+20
Height
9532591.8413941