21553958 is an even 8-digits composite number following 21553957
and preceding 21553959 . In scientific notation, it is written as 2.1553958 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 10776978 positive integers (up to 21553958) that are relatively prime to 21553958.
21553958 has 4 divisors, whose sum is 32330940
The reverse of 21553958 is 85935512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million five hundred fifty-three thousand nine hundred fifty-eight
Scientific notation
2.1553958 × 10^7
Engineering notation
2.1553958 × 10^6
Prime Factorization
2 × 10776979
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21553958
Product of the distinct prime numbers
The prime factorization of 21553958 is 2 × 10776979.
Since it has a total of 2 prime factors.
1 , 6 , 61 , 100 , 302 , 863 , 5955 , 5724 , 86899 , 39857 , 978586 , 813357 , 1326071 , 891599 , 20349183 , 68691755 , 701149208 , 475286019 , 2282483558 , 8528625027
n×2
43107916
n×3
64661874
n×4
86215832
n×5
107769790
n÷2
10776979
n÷3
7184652.6666667
n÷3
5388489.5
n÷5
4310791.6
n2
464573105465764
n3
1.0013389203139E+22
n4
2.158281703221E+29
n5
4.6519513183395E+36
2 √n
4642.6240425001
3 √n
278.29731144456
4 √n
68.136803876467
5 √n
29.289058162064
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
-21553957
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 21553958 can be divided by 4 positive divisors.
The sum of these divisors (counting 21553958) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010001110001100100110
3
Ternary
1111120001110202
4
Quaternary
1102032030212
5
Quinary
21004211313
6
Senary
2045550502
8
Octal
122161446
10
Decimal
21553958
12
Duodecimal
7275432
16
Hexadecimal
148e326
20
Vigesimal
6ee4hi
36
Base36
ctz52
md5
5ecdfaa02c37e4fe7e5cfa0a9e4c36d0
sha1
745cff68cf4f56a979f11d21a7db471d9a791775
sha256
519349aa9331c0d39e52371ca872286a52c37742716eba3998300cdb57d7c15a
sha512
eab59c621b884fdd1e7434b7e8e3d0d6172b79d357609c49f4d7fc0807f109585ce5c578fd3fb62b2267f1883dff1ff5cd5ed52c1d8d25b11101845cc8882f93
ripemd-160
8939e8ce66ac480223f1b1a99ff839997f9af7a7
Diameter
43107916
Circumference
135427512.21717
Area
1.4594994551866E+15
Volume
4.1943986610821E+22
Surface area
5.8379978207466E+15
Circumference
135427512.21717
Perimeter
86215832
Area
464573105465764
Diagonal
30481899.72642
Surface area
2787438632794584
Volume
1.0013389203139E+22
Space diagonal
37332550.360206
Perimeter
64661874
Area
2.0116605562419E+14
Altitude
18666275.180103
Surface area
2.0116605562419E+14
Volume
1.1800892346999E+21
Height
10160633.24214