21461858 is an even 8-digits composite number following 21461857
and preceding 21461859 . In scientific notation, it is written as 2.1461858 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 9440400 positive integers (up to 21461858) that are relatively prime to 21461858.
21461858 has 16 divisors, whose sum is 36253440
The reverse of 21461858 is 85816412
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million four hundred sixty-one thousand eight hundred fifty-eight
Scientific notation
2.1461858 × 10^7
Engineering notation
2.1461858 × 10^6
Prime Factorization
2 × 11 × 31 × 31469
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21461858
Product of the distinct prime numbers
The prime factorization of 21461858 is 2 × 11 × 31 × 31469.
Since it has a total of 4 prime factors.
7 , 7 , 77 , 55 , 838 , 50 , 3028 , 6989 , 60540 , 90487 , 565749 , 655571 , 5180485 , 5131117 , 55258688 , 43884756 , 158808396 , 79971160 , 3479083551 , 2427776252
n×2
42923716
n×3
64385574
n×4
85847432
n×5
107309290
n÷2
10730929
n÷3
7153952.6666667
n÷3
5365464.5
n÷5
4292371.6
n2
460611348812164
n3
9.8855753613951E+21
n4
2.1216281465456E+29
n5
4.5534082009965E+36
2 √n
4632.6944643479
3 √n
277.90035764426
4 √n
68.063899861439
5 √n
29.263984857989
1 , 2 , 11 , 22 , 31 , 62 , 341 , 682 , 31469 , 62938 , 346159 , 692318 , 975539 , 1951078 , 10730929 , 21461858
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
-21461857
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 21461858 can be divided by 16 positive divisors.
The sum of these divisors (counting 21461858) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001110111101101100010
3
Ternary
1111101101010122
4
Quaternary
1101313231202
5
Quinary
20443234413
6
Senary
2044000242
8
Octal
121675542
10
Decimal
21461858
12
Duodecimal
7230082
16
Hexadecimal
1477b62
20
Vigesimal
6e2eci
36
Base36
cs02q
md5
501e982ebbf271dde5cd81b4bc7c7b97
sha1
0685b06ab81c57dc4c24e5e09c545d9863a66cf3
sha256
0286bb5ef742b55a42f9f9cd8dff9b2bca9acfc900b6a70af3465c7643667b05
sha512
d28f0f1bc0aec386bffc8b40145fa5b006e875d989010d69f0475b1dc1755d9c952350c49be4cd65cf43695c23d490ff54f19b3b77e8d5eed0cd30b96d08a78f
ripemd-160
0adabc5b0cba2ec9daae87c25db2788d7719a4d0
Diameter
42923716
Circumference
134848830.85037
Area
1.4470532295884E+15
Volume
4.140860124249E+22
Surface area
5.7882129183535E+15
Circumference
134848830.85037
Perimeter
85847432
Area
460611348812164
Diagonal
30351650.657326
Surface area
2763668092872984
Volume
9.8855753613951E+21
Space diagonal
37173028.480829
Perimeter
64385574
Area
1.9945056467137E+14
Altitude
18586514.240414
Surface area
1.9945056467137E+14
Volume
1.1650262289955E+21
Height
10117216.885775