21105738 is an even 8-digits composite number following 21105737
and preceding 21105739 . In scientific notation, it is written as 2.1105738 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 6518016 positive integers (up to 21105738) that are relatively prime to 21105738.
21105738 has 32 divisors, whose sum is 36429120
The reverse of 21105738 is 83750112
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million one hundred five thousand seven hundred thirty-eight
Scientific notation
2.1105738 × 10^7
Engineering notation
2.1105738 × 10^6
Prime Factorization
2 × 9 × 51 × 83 × 277
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21105738
Product of the distinct prime numbers
The prime factorization of 21105738 is 2 × 9 × 51 × 83 × 277.
Since it has a total of 5 prime factors.
2 , 3 , 52 , 44 , 259 , 38 , 68 , 2640 , 20774 , 30457 , 491300 , 980593 , 143481 , 3113243 , 76611660 , 54045018 , 27596599 , 306155545 , 3802310661 , 762694317
n×2
42211476
n×3
63317214
n×4
84422952
n×5
105528690
n÷2
10552869
n÷3
7035246
n÷3
5276434.5
n÷5
4221147.6
n2
445452176524644
n3
9.4015969292589E+21
n4
1.9842764157054E+29
n5
4.1879618149458E+36
2 √n
4594.0981704792
3 √n
276.35469520489
4 √n
67.779777002283
5 √n
29.166217393369
1 , 2 , 9 , 18 , 51 , 83 , 102 , 166 , 277 , 459 , 554 , 747 , 918 , 1494 , 2493 , 4233 , 4986 , 8466 , 14127 , 22991 , 28254 , 38097 , 45982 , 76194 , 127143 , 206919 , 254286 , 413838 , 1172541 , 2345082 , 10552869 , 21105738
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21105737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21105738 can be divided by 32 positive divisors.
The sum of these divisors (counting 21105738) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000100000110001001010
3
Ternary
1110201021122000
4
Quaternary
1100200301022
5
Quinary
20400340423
6
Senary
2032211430
8
Octal
120406112
10
Decimal
21105738
12
Duodecimal
7099b76
16
Hexadecimal
1420c4a
20
Vigesimal
6bi46i
36
Base36
ckdai
md5
b9c20bd45b79f482a27c4c800bd4794f
sha1
200e431394f73a0008338e201a659dffe1423881
sha256
61ec8c5ebc99a7affa438e62af40beb33f0309533d286916345eeb45d750dea4
sha512
b7b1a2f2533d6866ac7f9e4a2c85e63be3a79ecb18cd1231140d61d563586c998ed93e6d46be355e91d1bfaa5f445bb21a3ea0b57f18a08ef8fd9af585b44d3b
ripemd-160
003ec5461542f7f98c08c899b7bb5b27213cab68
Diameter
42211476
Circumference
132611262.89878
Area
1.3994292852954E+15
Volume
3.9381317126629E+22
Surface area
5.5977171411816E+15
Circumference
132611262.89878
Perimeter
84422952
Area
445452176524644
Diagonal
29848020.923493
Surface area
2672713059147864
Volume
9.4015969292589E+21
Space diagonal
36556210.547237
Perimeter
63317214
Area
1.9288645052071E+14
Altitude
18278105.273619
Surface area
1.9288645052071E+14
Volume
1.1079888237769E+21
Height
9949340.3078311