21548081 is an odd 8-digits composite number following 21548080
and preceding 21548082 . In scientific notation, it is written as 2.1548081 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 21530100 positive integers (up to 21548081) that are relatively prime to 21548081.
21548081 has 4 divisors, whose sum is 21566064
The reverse of 21548081 is 18084512
Previous prime number is 1291
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million five hundred forty-eight thousand eighty-one
Scientific notation
2.1548081 × 10^7
Engineering notation
2.1548081 × 10^6
Prime Factorization
1291 × 16691
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21548081
Product of the distinct prime numbers
The prime factorization of 21548081 is 1291 × 16691.
Since it has a total of 2 prime factors.
6 , 8 , 35 , 66 , 711 , 698 , 2852 , 827 , 41547 , 66040 , 971754 , 796125 , 3138687 , 5166926 , 69897794 , 40652457 , 294176582 , 503083681 , 7804204337 , 2694780012
n×2
43096162
n×3
64644243
n×4
86192324
n×5
107740405
n÷2
10774040.5
n÷3
7182693.6666667
n÷3
5387020.25
n÷5
4309616.2
n2
464319794782561
n3
1.0005200547878E+22
n4
2.1559287182692E+29
n5
4.6456126651491E+36
2 √n
4641.9910598794
3 √n
278.27201520934
4 √n
68.132158778945
5 √n
29.287460770331
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
-21548080
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 21548081 can be divided by 4 positive divisors.
The sum of these divisors (counting 21548081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010001100110000110001
3
Ternary
1111112202102002
4
Quaternary
1102030300301
5
Quinary
21004014311
6
Senary
2045503345
8
Octal
122146061
10
Decimal
21548081
12
Duodecimal
7271b55
16
Hexadecimal
148cc31
20
Vigesimal
6eda41
36
Base36
ctult
md5
198dfbefdf991497091cb6213dc3c533
sha1
9fd3699323b7327cb579ec8925874584c2109c4b
sha256
d6d5716d6d44a47b70d888d946d0cf2d0dba1fa101bcaf4ba53a5f869551632f
sha512
552f3e6703c550d72a4c29cda892a61c6cc6b0ca8b4e801a4a93afbc1576ffc1668a69e075246f8899875ff931c56adc645f3e283d9d61cf01792fe3c4b32372
ripemd-160
dea98e69b13c01480f2ec005a7bbae0bf278b51f
Diameter
43096162
Circumference
135390585.93712
Area
1.4587036562052E+15
Volume
4.1909686051875E+22
Surface area
5.8348146248209E+15
Circumference
135390585.93712
Perimeter
86192324
Area
464319794782561
Diagonal
30473588.393314
Surface area
2785918768695366
Volume
1.0005200547878E+22
Space diagonal
37322371.09761
Perimeter
64644243
Area
2.0105636888084E+14
Altitude
18661185.548805
Surface area
2.0105636888084E+14
Volume
1.1791241924226E+21
Height
10157862.797771