21568012 is an even 8-digits composite number following 21568011
and preceding 21568013 . In scientific notation, it is written as 2.1568012 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 6 positive divisors.
There are 10784004 positive integers (up to 21568012) that are relatively prime to 21568012.
21568012 has 6 divisors, whose sum is 37744028
The reverse of 21568012 is 21086512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million five hundred sixty-eight thousand twelve
Scientific notation
2.1568012 × 10^7
Engineering notation
2.1568012 × 10^6
Prime Factorization
2 × 2 × 5392003
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10784006
Product of the distinct prime numbers
The prime factorization of 21568012 is 2 × 2 × 5392003.
Since it has a total of 3 prime factors.
4 , 1 , 93 , 73 , 973 , 874 , 9903 , 5408 , 41166 , 54974 , 21234 , 918726 , 614888 , 8260793 , 81125742 , 73130901 , 354556620 , 183332142 , 3027040201 , 8221349923
n×2
43136024
n×3
64704036
n×4
86272048
n×5
107840060
n÷2
10784006
n÷3
7189337.3333333
n÷3
5392003
n÷5
4313602.4
n2
465179141632144
n3
1.0032989308872E+22
n4
2.1639163380962E+29
n5
4.6671373547055E+36
2 √n
4644.1373795356
3 √n
278.35778511164
4 √n
68.147908108288
5 √n
29.292876682137
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21568011
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21568012 can be divided by 6 positive divisors.
The sum of these divisors (counting 21568012) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010010010001101000001100
3
Ternary
1111120202202021
4
Quaternary
1102101220030
5
Quinary
21010134022
6
Senary
2050135524
8
Octal
122215014
10
Decimal
21568012
12
Duodecimal
72815a4
16
Hexadecimal
1491a0c
20
Vigesimal
6eg00c
36
Base36
cu9zg
md5
055da1cf0b4e2cc3665d3d874fb04f8c
sha1
4766cf1c48625392ace887952e76c1c2f88d038e
sha256
f750f387f73b3f48d0e9509b227ed75d612127a4bc540b56145ae33aa8aedeb2
sha512
525879ae5c9147988966de60e02d2ee2747669e0085aa5cdaeba4a08f1996c7286ce7a59fb4c718c90ee32da5a4ea2188e486f7a209fb3a3d66b6791d303885f
ripemd-160
16216c375e2ba7de5da625b4de9f882deaf62066
Diameter
43136024
Circumference
135515816.10347
Area
1.4614033739547E+15
Volume
4.2026087341729E+22
Surface area
5.845613495819E+15
Circumference
135515816.10347
Perimeter
86272048
Area
465179141632144
Diagonal
30501775.083826
Surface area
2791074849792864
Volume
1.0032989308872E+22
Space diagonal
37356892.602255
Perimeter
64704036
Area
2.0142847698204E+14
Altitude
18678446.301128
Surface area
2.0142847698204E+14
Volume
1.1823991293126E+21
Height
10167258.361275