20221891 is an odd 8-digits composite number following 20221890
and preceding 20221892 . In scientific notation, it is written as 2.0221891 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 18626688 positive integers (up to 20221891) that are relatively prime to 20221891.
20221891 has 8 divisors, whose sum is 21867840
The reverse of 20221891 is 19812202
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million two hundred twenty-one thousand eight hundred ninety-one
Scientific notation
2.0221891 × 10^7
Engineering notation
2.0221891 × 10^6
Prime Factorization
17 × 47 × 25309
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20221891
Product of the distinct prime numbers
The prime factorization of 20221891 is 17 × 47 × 25309.
Since it has a total of 3 prime factors.
10 , 9 , 44 , 85 , 944 , 786 , 7888 , 2826 , 36834 , 24954 , 179986 , 364200 , 9332541 , 84445 , 2895059 , 23736110 , 887940223 , 430953390 , 2149756252 , 456270451
n×2
40443782
n×3
60665673
n×4
80887564
n×5
101109455
n÷2
10110945.5
n÷3
6740630.3333333
n÷3
5055472.75
n÷5
4044378.2
n2
408924875615881
n3
8.2692342618929E+21
n4
1.6721955389746E+29
n5
3.3814955919831E+36
2 √n
4496.8756931897
3 √n
272.44191338285
4 √n
67.058748073534
5 √n
28.917740291038
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
-20221890
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 20221891 can be divided by 8 positive divisors.
The sum of these divisors (counting 20221891) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001000111111000011
3
Ternary
1102001101012221
4
Quaternary
1031020333003
5
Quinary
20134100031
6
Senary
2001231511
8
Octal
115107703
10
Decimal
20221891
12
Duodecimal
6932597
16
Hexadecimal
1348fc3
20
Vigesimal
667eeb
36
Base36
c1fb7
md5
95e5be29519e6367be7d2e332408cdcf
sha1
356a6791945d105e3a3347cd601896558bdfcbf6
sha256
0bcfd9e28e0826d2ab8361b81cd8ca40e89d4cd83fa139784f1168d1fac6fd55
sha512
fac114a26ffe4b3af73e93a078f7b4fbb264b699b233e38a6dd9c567b1bfbe6b363e2f20fdd071d1bcda3cb5d7ace8a091221090005cff9a2c11f11e0b415f31
ripemd-160
4f32ec5195b672269f7057cf7b428fc00baa2c1f
Diameter
40443782
Circumference
127057888.41459
Area
1.284675385105E+15
Volume
3.4638087477301E+22
Surface area
5.1387015404199E+15
Circumference
127057888.41459
Perimeter
80887564
Area
408924875615881
Diagonal
28598072.50903
Surface area
2453549253695286
Volume
8.2692342618929E+21
Space diagonal
35025342.63712
Perimeter
60665673
Area
1.7706966526137E+14
Altitude
17512671.31856
Surface area
1.7706966526137E+14
Volume
9.745386036341E+20
Height
9532690.8363435