21253669 is an odd 8-digits composite number following 21253668
and preceding 21253670 . In scientific notation, it is written as 2.1253669 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 21244300 positive integers (up to 21253669) that are relatively prime to 21253669.
21253669 has 4 divisors, whose sum is 21263040
The reverse of 21253669 is 96635212
Previous prime number is 5519
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million two hundred fifty-three thousand six hundred sixty-nine
Scientific notation
2.1253669 × 10^7
Engineering notation
2.1253669 × 10^6
Prime Factorization
5519 × 3851
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21253669
Product of the distinct prime numbers
The prime factorization of 21253669 is 5519 × 3851.
Since it has a total of 2 prime factors.
6 , 4 , 25 , 10 , 732 , 108 , 8851 , 4627 , 41745 , 57655 , 2070 , 259659 , 7351542 , 699077 , 44632385 , 16039369 , 786968215 , 47310193 , 6929014678 , 2388135430
n×2
42507338
n×3
63761007
n×4
85014676
n×5
106268345
n÷2
10626834.5
n÷3
7084556.3333333
n÷3
5313417.25
n÷5
4250733.8
n2
451718445961561
n3
9.6006743316614E+21
n4
2.0404955442193E+29
n5
4.3368016892811E+36
2 √n
4610.170170395
3 √n
276.99885310164
4 √n
67.898233926922
5 √n
29.206988693357
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
-21253668
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 21253669 can be divided by 4 positive divisors.
The sum of these divisors (counting 21253669) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001000100111000100101
3
Ternary
1110222210112221
4
Quaternary
1101010320211
5
Quinary
20420104134
6
Senary
2035312341
8
Octal
121047045
10
Decimal
21253669
12
Duodecimal
714b6b1
16
Hexadecimal
1444e25
20
Vigesimal
6cge39
36
Base36
cnjfp
md5
5f30e327bb956c3c8678186859daebea
sha1
f5256b4d0c21a917f96245bce4ce5ab40125bd74
sha256
ad6753e752ffee12f46d283e4bba75ddb41a6e8b0c69121965f8ff9e005e0e02
sha512
e07b2cd4b99055420692681c7462bc1a866a9402cdcfef4b3a043f2151c3e044f978bf76b0d620ef4ff7e6acbb9bae9aa1dc5153e27ebc1e895aaee8788237af
ripemd-160
671885bcf5d9d6a685d50dfd0e2208022d81f656
Diameter
42507338
Circumference
133540740.78446
Area
1.4191153513238E+15
Volume
4.0215210599807E+22
Surface area
5.6764614052954E+15
Circumference
133540740.78446
Perimeter
85014676
Area
451718445961561
Diagonal
30057226.949989
Surface area
2710310675769366
Volume
9.6006743316614E+21
Space diagonal
36812434.555252
Perimeter
63761007
Area
1.9559982478037E+14
Altitude
18406217.277626
Surface area
1.9559982478037E+14
Volume
1.1314503206469E+21
Height
10019075.649996