21354938 is an even 8-digits composite number following 21354937
and preceding 21354939 . In scientific notation, it is written as 2.1354938 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 9605760 positive integers (up to 21354938) that are relatively prime to 21354938.
21354938 has 16 divisors, whose sum is 35308224
The reverse of 21354938 is 83945312
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million three hundred fifty-four thousand nine hundred thirty-eight
Scientific notation
2.1354938 × 10^7
Engineering notation
2.1354938 × 10^6
Prime Factorization
2 × 11 × 97 × 10007
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21354938
Product of the distinct prime numbers
The prime factorization of 21354938 is 2 × 11 × 97 × 10007.
Since it has a total of 4 prime factors.
8 , 10 , 72 , 31 , 201 , 835 , 5520 , 2850 , 21092 , 51676 , 434310 , 847621 , 5541556 , 7278745 , 12701452 , 26439728 , 434897067 , 243897957 , 8550689952 , 3461233046
n×2
42709876
n×3
64064814
n×4
85419752
n×5
106774690
n÷2
10677469
n÷3
7118312.6666667
n÷3
5338734.5
n÷5
4270987.6
n2
456033376983844
n3
9.7385644914206E+21
n4
2.0796644092329E+29
n5
4.4411104519975E+36
2 √n
4621.1403354583
3 √n
277.43810214817
4 √n
67.978969802861
5 √n
29.234768756824
1 , 2 , 11 , 22 , 97 , 194 , 1067 , 2134 , 10007 , 20014 , 110077 , 220154 , 970679 , 1941358 , 10677469 , 21354938
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21354937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21354938 can be divided by 16 positive divisors.
The sum of these divisors (counting 21354938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001011101100110111010
3
Ternary
1111011221110122
4
Quaternary
1101131212322
5
Quinary
20431324223
6
Senary
2041413242
8
Octal
121354672
10
Decimal
21354938
12
Duodecimal
719a222
16
Hexadecimal
145d9ba
20
Vigesimal
6d976i
36
Base36
cppkq
md5
46c93df4a6e76c7870709103224ebbcb
sha1
1f24925de01af6d19ce067e634f116ba2edd8b6c
sha256
a65f6e79f018c47b2111855422c58981c8ad05f2265820f154ece6014a3782e3
sha512
e9908c2932ca83c8d45f0fea2df7838c5d072857306439b1ea6385e37cad7d11e8906ff788d5b1952e0816871eedbb179fb69d13477769c2706bdb9789705b38
ripemd-160
83de03165dc30ae34bffa0d3ddacfab70d455c16
Diameter
42709876
Circumference
134177032.67733
Area
1.4326711069242E+15
Volume
4.0792803550343E+22
Surface area
5.7306844276968E+15
Circumference
134177032.67733
Perimeter
85419752
Area
456033376983844
Diagonal
30200442.943237
Surface area
2736200261903064
Volume
9.7385644914206E+21
Space diagonal
36987837.608483
Perimeter
64064814
Area
1.9746824472081E+14
Altitude
18493918.804242
Surface area
1.9746824472081E+14
Volume
1.1477008318177E+21
Height
10066814.314412