21568168 is an even 8-digits composite number following 21568167
and preceding 21568169 . In scientific notation, it is written as 2.1568168 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 8 positive divisors.
There are 10784080 positive integers (up to 21568168) that are relatively prime to 21568168.
21568168 has 8 divisors, whose sum is 40440330
The reverse of 21568168 is 86186512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million five hundred sixty-eight thousand one hundred sixty-eight
Scientific notation
2.1568168 × 10^7
Engineering notation
2.1568168 × 10^6
Prime Factorization
2 × 2 × 2 × 2696021
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5392042
Product of the distinct prime numbers
The prime factorization of 21568168 is 2 × 2 × 2 × 2696021.
Since it has a total of 4 prime factors.
4 , 4 , 20 , 75 , 661 , 852 , 6376 , 6822 , 57658 , 39029 , 839999 , 49890 , 384845 , 3394921 , 35402129 , 73367466 , 69542095 , 125161673 , 1540717988 , 8640588111
n×2
43136336
n×3
64704504
n×4
86272672
n×5
107840840
n÷2
10784084
n÷3
7189389.3333333
n÷3
5392042
n÷5
4313633.6
n2
465185870876224
n3
1.0033207014285E+22
n4
2.1639789446287E+29
n5
4.6673061426215E+36
2 √n
4644.154174874
3 √n
278.35845622449
4 √n
68.148031335278
5 √n
29.292919056701
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
-21568167
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 21568168 can be divided by 8 positive divisors.
The sum of these divisors (counting 21568168) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010010001101010101000
3
Ternary
1111120202222001
4
Quaternary
1102101222220
5
Quinary
21010140133
6
Senary
2050140344
8
Octal
122215250
10
Decimal
21568168
12
Duodecimal
72816b4
16
Hexadecimal
1491aa8
20
Vigesimal
6eg088
36
Base36
cua3s
md5
d466a65411debe77d1bcfe00429c622d
sha1
7202e03bcb7c61d205a5cf231bbaf8819e3b5dab
sha256
3a6d2af39b4620d5b19435bf0967e829c466be514f3ae2a569d4dd768bb66e3f
sha512
e5d92780885e1f0205e6d3f194e4c44799e2180f4a956ba0cb72aa32e3ec4076aeccc55f0abe514047b851d38b78fbc27b5e757b90551dc7bd9d2d44b717da2b
ripemd-160
b632ace12fa404cb1ddaa8ff5d0018e227f5b13d
Diameter
43136336
Circumference
135516796.28038
Area
1.4614245144985E+15
Volume
4.202699926403E+22
Surface area
5.8456980579941E+15
Circumference
135516796.28038
Perimeter
86272672
Area
465185870876224
Diagonal
30501995.701141
Surface area
2791115225257344
Volume
1.0033207014285E+22
Space diagonal
37357162.802181
Perimeter
64704504
Area
2.014313908302E+14
Altitude
18678581.401091
Surface area
2.014313908302E+14
Volume
1.1824247861415E+21
Height
10167331.90038