21551252 is an even 8-digits composite number following 21551251
and preceding 21551253 . In scientific notation, it is written as 2.1551252 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 6 positive divisors.
There are 10775624 positive integers (up to 21551252) that are relatively prime to 21551252.
21551252 has 6 divisors, whose sum is 37714698
The reverse of 21551252 is 25215512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million five hundred fifty-one thousand two hundred fifty-two
Scientific notation
2.1551252 × 10^7
Engineering notation
2.1551252 × 10^6
Prime Factorization
2 × 2 × 5387813
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10775626
Product of the distinct prime numbers
The prime factorization of 21551252 is 2 × 2 × 5387813.
Since it has a total of 3 prime factors.
6 , 6 , 50 , 48 , 370 , 793 , 3417 , 4264 , 8009 , 35135 , 993162 , 593917 , 246302 , 1322346 , 63230098 , 81469603 , 693191461 , 838901883 , 4682086475 , 2028399939
n×2
43102504
n×3
64653756
n×4
86205008
n×5
107756260
n÷2
10775626
n÷3
7183750.6666667
n÷3
5387813
n÷5
4310250.4
n2
464456462767504
n3
1.0009618272131E+22
n4
2.157198058065E+29
n5
4.649031896327E+36
2 √n
4642.3326033364
3 √n
278.28566464258
4 √n
68.134665210423
5 √n
29.2883227039
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21551251
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21551252 can be divided by 6 positive divisors.
The sum of these divisors (counting 21551252) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010010001101100010010100
3
Ternary
1111112220202112
4
Quaternary
1102031202110
5
Quinary
21004120002
6
Senary
2045530152
8
Octal
122154224
10
Decimal
21551252
12
Duodecimal
7273958
16
Hexadecimal
148d894
20
Vigesimal
6edi2c
36
Base36
ctx1w
md5
ca355136604ca8fe1d93c88ed5d8a2bb
sha1
62100c23d577d8453ed4b0fc292048be19741d9c
sha256
fe2eaf7517d833a83cc567bdc1222c57892f9ab1fac3daefd4e613a36ecd17c1
sha512
905721a8aa12bd33a36ba6e914a09088268f91f3332f6e1191bd9727dabff73deb2838a3a199ba98bbcb83232ddb7cf2e9f4a715730c714c2d854e06b3c38fdb
ripemd-160
5997fa10b44fc3ba5d036878c52af9436b685438
Diameter
43102504
Circumference
135410509.91772
Area
1.4591330113427E+15
Volume
4.1928190971954E+22
Surface area
5.8365320453708E+15
Circumference
135410509.91772
Perimeter
86205008
Area
464456462767504
Diagonal
30478072.86452
Surface area
2786738776605024
Volume
1.0009618272131E+22
Space diagonal
37327863.43072
Perimeter
64653756
Area
2.0111554785426E+14
Altitude
18663931.71536
Surface area
2.0111554785426E+14
Volume
1.1796448262188E+21
Height
10159357.621507