21369912 is an even 8-digits composite number following 21369911
and preceding 21369913 . In scientific notation, it is written as 2.1369912 × 10^7.
The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors.
There are 6893280 positive integers (up to 21369912) that are relatively prime to 21369912.
21369912 has 32 divisors, whose sum is 55150080
The reverse of 21369912 is 21996312
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million three hundred sixty-nine thousand nine hundred twelve
Scientific notation
2.1369912 × 10^7
Engineering notation
2.1369912 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 31 × 28723
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5342478
Product of the distinct prime numbers
The prime factorization of 21369912 is 2 × 2 × 2 × 3 × 31 × 28723.
Since it has a total of 6 prime factors.
4 , 1 , 49 , 18 , 732 , 108 , 5346 , 9959 , 4038 , 50450 , 247525 , 480415 , 9906363 , 5280137 , 80704788 , 44766615 , 857742454 , 6587156 , 3602195360 , 2190288921
n×2
42739824
n×3
64109736
n×4
85479648
n×5
106849560
n÷2
10684956
n÷3
7123304
n÷3
5342478
n÷5
4273982.4
n2
456673138887744
n3
9.7590647907949E+21
n4
2.0855035578158E+29
n5
4.4567027506212E+36
2 √n
4622.7602144174
3 √n
277.50293317247
4 √n
67.990883318408
5 √n
29.23886746876
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 31 , 62 , 93 , 124 , 186 , 248 , 372 , 744 , 28723 , 57446 , 86169 , 114892 , 172338 , 229784 , 344676 , 689352 , 890413 , 1780826 , 2671239 , 3561652 , 5342478 , 7123304 , 10684956 , 21369912
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21369911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21369912 can be divided by 32 positive divisors.
The sum of these divisors (counting 21369912) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001100001010000111000
3
Ternary
1111012201000020
4
Quaternary
1101201100320
5
Quinary
20432314122
6
Senary
2042010440
8
Octal
121412070
10
Decimal
21369912
12
Duodecimal
71a6a20
16
Hexadecimal
1461438
20
Vigesimal
6db4fc
36
Base36
cq14o
md5
5cfdeb5f8270457b2d538b1815587af6
sha1
3db6a6d58ca9bc7c4ce5b5d1893b309f7a34d352
sha256
16579ddf4d8427df59fdae5df3d46fef849b0903c5ad135d5860f2025fae21f1
sha512
63110f9aceeceb07728e9e9aba64a0d186d355190598c26e180bc17baa4d7044f69f72724db0961af707f75150b86e0636b8df8c663ae735ea5134de298da93a
ripemd-160
f8aa950eec4a8f81f2c553322e0df0c37ddc74ea
Diameter
42739824
Circumference
134271117.09412
Area
1.4346809782215E+15
Volume
4.0878675003557E+22
Surface area
5.7387239128861E+15
Circumference
134271117.09412
Perimeter
85479648
Area
456673138887744
Diagonal
30221619.37712
Surface area
2740038833326464
Volume
9.7590647907949E+21
Space diagonal
37013773.337276
Perimeter
64109736
Area
1.9774526975138E+14
Altitude
18506886.668638
Surface area
1.9774526975138E+14
Volume
1.1501168152683E+21
Height
10073873.125707