21152816 is an even 8-digits composite number following 21152815
and preceding 21152817 . In scientific notation, it is written as 2.1152816 × 10^7.
The sum of its digits is 26. It has a total of 6 prime factors and 20 positive divisors.
There are 10542336 positive integers (up to 21152816) that are relatively prime to 21152816.
21152816 has 20 divisors, whose sum is 41115672
The reverse of 21152816 is 61825112
Previous prime number is 337
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million one hundred fifty-two thousand eight hundred sixteen
Scientific notation
2.1152816 × 10^7
Engineering notation
2.1152816 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 337 × 3923
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2644102
Product of the distinct prime numbers
The prime factorization of 21152816 is 2 × 2 × 2 × 2 × 337 × 3923.
Since it has a total of 6 prime factors.
6 , 4 , 91 , 1 , 362 , 270 , 3951 , 2084 , 93244 , 77190 , 345234 , 731601 , 340773 , 5256060 , 2421683 , 81045176 , 213912842 , 67979934 , 116630902 , 1932603070
n×2
42305632
n×3
63458448
n×4
84611264
n×5
105764080
n÷2
10576408
n÷3
7050938.6666667
n÷3
5288204
n÷5
4230563.2
n2
447441624729856
n3
9.4646503586517E+21
n4
2.0020400754089E+29
n5
4.2348785339751E+36
2 √n
4599.2190641456
3 √n
276.56001954003
4 √n
67.817542451386
5 √n
29.179217305602
1 , 2 , 4 , 8 , 16 , 337 , 674 , 1348 , 2696 , 3923 , 5392 , 7846 , 15692 , 31384 , 62768 , 1322051 , 2644102 , 5288204 , 10576408 , 21152816
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21152815
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21152816 can be divided by 20 positive divisors.
The sum of these divisors (counting 21152816) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000101100010000110000
3
Ternary
1110210200012122
4
Quaternary
1100230100300
5
Quinary
20403342231
6
Senary
2033213412
8
Octal
120542060
10
Decimal
21152816
12
Duodecimal
7101268
16
Hexadecimal
142c430
20
Vigesimal
6c420g
36
Base36
cldm8
md5
d216790c89a2eb951ccb371aa20fab39
sha1
eb364f1ac6e657226b67ad67c52e1d549b7cd774
sha256
c34eff0514f78e38df8df7da402a82b8d8b32c849e3032c79e3317ff5bdca51b
sha512
a4a53325e617eee3fe067706f8f77da791f6c384890e58eb1249ac43991f8f7b0aa46142ac7ca1c8fbae95a40f765eb67032635c2fdbdb0f10aa8aba7ebb0ff7
ripemd-160
7cb812faec67a3a12d83b6ba14a3650c6a98e868
Diameter
42305632
Circumference
132907062.69667
Area
1.4056793211616E+15
Volume
3.9645434714048E+22
Surface area
5.6227172846464E+15
Circumference
132907062.69667
Perimeter
84611264
Area
447441624729856
Diagonal
29914599.269583
Surface area
2684649748379136
Volume
9.4646503586517E+21
Space diagonal
36637752.035156
Perimeter
63458448
Area
1.9374790686332E+14
Altitude
18318876.017578
Surface area
1.9374790686332E+14
Volume
1.1154197416937E+21
Height
9971533.0898609