21252911 is an odd 8-digits composite number following 21252910
and preceding 21252912 . In scientific notation, it is written as 2.1252911 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 19936224 positive integers (up to 21252911) that are relatively prime to 21252911.
21252911 has 12 divisors, whose sum is 22639032
The reverse of 21252911 is 11925212
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million two hundred fifty-two thousand nine hundred eleven
Scientific notation
2.1252911 × 10^7
Engineering notation
2.1252911 × 10^6
Prime Factorization
29 × 29 × 37 × 683
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
732859
Product of the distinct prime numbers
The prime factorization of 21252911 is 29 × 29 × 37 × 683.
Since it has a total of 4 prime factors.
2 , 4 , 99 , 22 , 688 , 789 , 3306 , 3300 , 91672 , 93880 , 833659 , 324567 , 2716092 , 1469314 , 74069628 , 10881356 , 655540224 , 897261144 , 9572037860 , 6421318312
n×2
42505822
n×3
63758733
n×4
85011644
n×5
106264555
n÷2
10626455.5
n÷3
7084303.6666667
n÷3
5313227.75
n÷5
4250582.2
n2
451686225973921
n3
9.5996471605496E+21
n4
2.0402044673456E+29
n5
4.3360283966299E+36
2 √n
4610.0879601153
3 √n
276.99556006038
4 √n
67.897628530865
5 √n
29.206780360262
1 , 29 , 37 , 683 , 841 , 1073 , 19807 , 25271 , 31117 , 574403 , 732859 , 21252911
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
-21252910
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 21252911 can be divided by 12 positive divisors.
The sum of these divisors (counting 21252911) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001000100101100101111
3
Ternary
1110222202111212
4
Quaternary
1101010230233
5
Quinary
20420043121
6
Senary
2035305035
8
Octal
121045457
10
Decimal
21252911
12
Duodecimal
714b17b
16
Hexadecimal
1444b2f
20
Vigesimal
6cgc5b
36
Base36
cniun
md5
1bfb195e9f9c652b0b0b528ee597d93f
sha1
2131e69eb0a57feb71b3e17f9b8e492b037ca340
sha256
08fe83ad21dbb5fa94976d9739309588c99fb5816424bf2df15906fd2de0cf57
sha512
3072b8c990459a3e7f417b2a46ca5e633cb9406378251edc1c7607cbbe64136618f240d512e0742a1ce4310f61af304a10909bb8b86455c2fe3bd64fa32af8da
ripemd-160
b358cb77fa5cc38306165745f8399fac4ff0d92f
Diameter
42505822
Circumference
133535978.13
Area
1.4190141292474E+15
Volume
4.0210907995516E+22
Surface area
5.6760565169895E+15
Circumference
133535978.13
Perimeter
85011644
Area
451686225973921
Diagonal
30056154.976108
Surface area
2710117355843526
Volume
9.5996471605496E+21
Space diagonal
36811121.660739
Perimeter
63758733
Area
1.9558587311647E+14
Altitude
18405560.83037
Surface area
1.9558587311647E+14
Volume
1.1313292673705E+21
Height
10018718.325369