21304881 is an odd 8-digits composite number following 21304880
and preceding 21304882 . In scientific notation, it is written as 2.1304881 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 13033440 positive integers (up to 21304881) that are relatively prime to 21304881.
21304881 has 8 divisors, whose sum is 21613824
The reverse of 21304881 is 18840312
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million three hundred four thousand eight hundred eighty-one
Scientific notation
2.1304881 × 10^7
Engineering notation
2.1304881 × 10^6
Prime Factorization
117 × 211 × 863
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21304881
Product of the distinct prime numbers
The prime factorization of 21304881 is 117 × 211 × 863.
Since it has a total of 3 prime factors.
9 , 9 , 43 , 32 , 804 , 242 , 6988 , 4069 , 78216 , 36509 , 818795 , 761855 , 9916346 , 1310477 , 65565970 , 83620573 , 498904615 , 77609220 , 5475645020 , 1333743394
n×2
42609762
n×3
63914643
n×4
85219524
n×5
106524405
n÷2
10652440.5
n÷3
7101627
n÷3
5326220.25
n÷5
4260976.2
n2
453897954424161
n3
9.6702419051502E+21
n4
2.0602335303044E+29
n5
4.3893030195345E+36
2 √n
4615.7210704288
3 √n
277.221156472
4 √n
67.939098245626
5 √n
29.221050347816
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21304880
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21304881 can be divided by 8 positive divisors.
The sum of these divisors (counting 21304881) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001010001011000110001
3
Ternary
1111002101210200
4
Quaternary
1101101120301
5
Quinary
20423224011
6
Senary
2040345413
8
Octal
121213061
10
Decimal
21304881
12
Duodecimal
7175269
16
Hexadecimal
1451631
20
Vigesimal
6d3241
36
Base36
comy9
md5
84ad45c1f2acbc6e118e610354c30a7b
sha1
12e0cc9654080c40807d082be47c2fe99d2591fe
sha256
a796c2ddd337448dc9b3556de7ee7c9b04c78aa8fed619b4720f0f06abbf33af
sha512
3b18b3eda315644f863aafcd2c2b646eda85e2d6331abe3cd2957425704fda854a0e306ae06d078ce5221afd47f092801d740be3839de81afeccb08f4d9aa537
ripemd-160
65c4e3a218d87d62eeb8e480759a122d1452b845
Diameter
42609762
Circumference
133862515.27041
Area
1.4259624790984E+15
Volume
4.0506614570208E+22
Surface area
5.7038499163935E+15
Circumference
133862515.27041
Perimeter
85219524
Area
453897954424161
Diagonal
30129651.654945
Surface area
2723387726544966
Volume
9.6702419051502E+21
Space diagonal
36901136.341209
Perimeter
63914643
Area
1.9654357962856E+14
Altitude
18450568.170604
Surface area
1.9654357962856E+14
Volume
1.1396489378077E+21
Height
10043217.218315