21359969 is an odd 8-digits composite number following 21359968
and preceding 21359970 . In scientific notation, it is written as 2.1359969 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 21349380 positive integers (up to 21359969) that are relatively prime to 21359969.
21359969 has 4 divisors, whose sum is 21370560
The reverse of 21359969 is 96995312
Previous prime number is 2711
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-one million three hundred fifty-nine thousand nine hundred sixty-nine
Scientific notation
2.1359969 × 10^7
Engineering notation
2.1359969 × 10^6
Prime Factorization
2711 × 7879
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21359969
Product of the distinct prime numbers
The prime factorization of 21359969 is 2711 × 7879.
Since it has a total of 2 prime factors.
3 , 4 , 30 , 15 , 916 , 994 , 5793 , 9136 , 14993 , 29427 , 696390 , 84159 , 3732741 , 8695786 , 12799453 , 65809731 , 482274107 , 164276444 , 3874873567 , 4253507564
n×2
42719938
n×3
64079907
n×4
85439876
n×5
106799845
n÷2
10679984.5
n÷3
7119989.6666667
n÷3
5339992.25
n÷5
4271993.8
n2
456248275680961
n3
9.7454490248488E+21
n4
2.0816248906185E+29
n5
4.446344313324E+36
2 √n
4621.6846495623
3 √n
277.45988760899
4 √n
67.982973232732
5 √n
29.236146108173
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
-21359968
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 21359969 can be divided by 4 positive divisors.
The sum of these divisors (counting 21359969) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001011110110101100001
3
Ternary
1111012012100222
4
Quaternary
1101132311201
5
Quinary
20432004334
6
Senary
2041452425
8
Octal
121366541
10
Decimal
21359969
12
Duodecimal
71a1115
16
Hexadecimal
145ed61
20
Vigesimal
6d9ji9
36
Base36
cptgh
md5
63426e069e9697e254aa9922b153059c
sha1
a8c37133d6574d7a29612dfc2e704877b3cf7ecf
sha256
3b57d7bd69fe7625831ea3d874c1131f0791e0043fe3d5a614d98252636c3903
sha512
87360af4bbcc166d80043c2bbc8dff46ba83063c1023354192bcab7bd2040d5eff8bc8753100932c653e6beb862b24d74083135c036e08fc6ed71b5e8dd7a688
ripemd-160
bdf8bf9680152bcc7d909380cd07d279d23380b0
Diameter
42719938
Circumference
134208643.38261
Area
1.4333462310923E+15
Volume
4.0821641416532E+22
Surface area
5.7333849243693E+15
Circumference
134208643.38261
Perimeter
85439876
Area
456248275680961
Diagonal
30207557.851669
Surface area
2737489654085766
Volume
9.7454490248488E+21
Space diagonal
36996551.556096
Perimeter
64079907
Area
1.9756129858628E+14
Altitude
18498275.778048
Surface area
1.9756129858628E+14
Volume
1.1485121818631E+21
Height
10069185.950556