21568980 is an even 8-digits composite number following 21568979
and preceding 21568981 . In scientific notation, it is written as 2.1568980 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 5751712 positive integers (up to 21568980) that are relatively prime to 21568980.
21568980 has 12 divisors, whose sum is 40262208
The reverse of 21568980 is 08986512
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million five hundred sixty-eight thousand nine hundred eighty
Scientific notation
2.1568980 × 10^7
Engineering notation
2.1568980 × 10^6
Prime Factorization
2 × 2 × 15 × 359483
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10784490
Product of the distinct prime numbers
The prime factorization of 21568980 is 2 × 2 × 15 × 359483.
Since it has a total of 4 prime factors.
8 , 2 , 48 , 75 , 669 , 94 , 9292 , 9327 , 51323 , 33328 , 111215 , 128240 , 3556074 , 1449891 , 61472749 , 42407796 , 777273857 , 789656617 , 8886274456 , 4972387058
n×2
43137960
n×3
64706940
n×4
86275920
n×5
107844900
n÷2
10784490
n÷3
7189660
n÷3
5392245
n÷5
4313796
n2
465220898240400
n3
1.0034340249729E+22
n4
2.164304841596E+29
n5
4.6681847842288E+36
2 √n
4644.2415957829
3 √n
278.36194940064
4 √n
68.148672736766
5 √n
29.293139617781
1 , 2 , 4 , 15 , 30 , 60 , 359483 , 718966 , 1437932 , 5392245 , 10784490 , 21568980
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
-21568979
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 21568980 can be divided by 12 positive divisors.
The sum of these divisors (counting 21568980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010010001110111010100
3
Ternary
1111120211002010
4
Quaternary
1102101313110
5
Quinary
21010201410
6
Senary
2050144220
8
Octal
122216724
10
Decimal
21568980
12
Duodecimal
7282070
16
Hexadecimal
1491dd4
20
Vigesimal
6eg290
36
Base36
cuaqc
md5
633f78b0286b4030ca9022e9c7916bb1
sha1
306b91f4ee24523a231e0d5f010ccf2e10de7075
sha256
73198518907b2a7ee23ba1b43e90e8c061690bf1172ece43c5638b970bd22615
sha512
6cc43bff2ad4527d730d413d264780b22db28c45b854b9ccc45136d252e0730fd622145199704c5e49b32fb4aa61962f0581770bb6845bef3d5e63eac3c20c77
ripemd-160
46e27964c83ffec46e70afc193e60dcfbb803087
Diameter
43137960
Circumference
135521898.22685
Area
1.4615345562085E+15
Volume
4.203174614956E+22
Surface area
5.8461382248339E+15
Circumference
135521898.22685
Perimeter
86275920
Area
465220898240400
Diagonal
30503144.042554
Surface area
2791325389442400
Volume
1.0034340249729E+22
Space diagonal
37358569.227437
Perimeter
64706940
Area
2.014465581238E+14
Altitude
18679284.613718
Surface area
2.014465581238E+14
Volume
1.1825583392194E+21
Height
10167714.680851