21461875 is an odd 8-digits composite number following 21461874
and preceding 21461876 . In scientific notation, it is written as 2.1461875 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 16412000 positive integers (up to 21461875) that are relatively prime to 21461875.
21461875 has 12 divisors, whose sum is 26676864
The reverse of 21461875 is 57816412
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million four hundred sixty-one thousand eight hundred seventy-five
Scientific notation
2.1461875 × 10^7
Engineering notation
2.1461875 × 10^6
Prime Factorization
575 × 5 × 5 × 1493
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4292375
Product of the distinct prime numbers
The prime factorization of 21461875 is 575 × 5 × 5 × 1493.
Since it has a total of 4 prime factors.
8 , 6 , 99 , 90 , 988 , 801 , 3246 , 2115 , 86265 , 97384 , 426384 , 205788 , 2392365 , 3587926 , 81167004 , 82402650 , 101916455 , 174536538 , 4673002614 , 8427717196
n×2
42923750
n×3
64385625
n×4
85847500
n×5
107309375
n÷2
10730937.5
n÷3
7153958.3333333
n÷3
5365468.75
n÷5
4292375
n2
460612078515625
n3
9.8855988525925E+21
n4
2.1216348687448E+29
n5
4.5534262348643E+36
2 √n
4632.6962991329
3 √n
277.90043101947
4 √n
68.063913339838
5 √n
29.263989494005
1 , 5 , 25 , 575 , 1493 , 2875 , 7465 , 14375 , 37325 , 858475 , 4292375 , 21461875
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21461874
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21461875 can be divided by 12 positive divisors.
The sum of these divisors (counting 21461875) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001110111101101110011
3
Ternary
1111101101011021
4
Quaternary
1101313231303
5
Quinary
20443240000
6
Senary
2044000311
8
Octal
121675563
10
Decimal
21461875
12
Duodecimal
7230097
16
Hexadecimal
1477b73
20
Vigesimal
6e2edf
36
Base36
cs037
md5
35e25d7ef43a84ed73fc9fb4dba1ca0b
sha1
ea052905e80730e1f8a83187178e724def3f0099
sha256
cf6240f1b4098723a0a0cebb3917872206cdc9d3940990a22460e943b623430f
sha512
3e5074f7fd7f6952778fef01db4100e68ed63af64842233d3d2475447928c0ebe02a4966f8e4458275a86cff7b6999569edccf06585ca76fc1f9b3c1146b62ab
ripemd-160
060b6dd64000d0f9409d828fba501e5342313aa3
Diameter
42923750
Circumference
134848937.66452
Area
1.4470555220194E+15
Volume
4.1408699642187E+22
Surface area
5.7882220880776E+15
Circumference
134848937.66452
Perimeter
85847500
Area
460612078515625
Diagonal
30351674.698956
Surface area
2763672471093750
Volume
9.8855988525925E+21
Space diagonal
37173057.925692
Perimeter
64385625
Area
1.9945088064224E+14
Altitude
18586528.962846
Surface area
1.9945088064224E+14
Volume
1.1650289974597E+21
Height
10117224.899652