21568356 is an even 8-digits composite number following 21568355
and preceding 21568357 . In scientific notation, it is written as 2.1568356 × 10^7.
The sum of its digits is 36. It has a total of 7 prime factors and 30 positive divisors.
There are 7189344 positive integers (up to 21568356) that are relatively prime to 21568356.
21568356 has 30 divisors, whose sum is 56384790
The reverse of 21568356 is 65386512
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million five hundred sixty-eight thousand three hundred fifty-six
Scientific notation
2.1568356 × 10^7
Engineering notation
2.1568356 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 3 × 3 × 66569
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
399414
Product of the distinct prime numbers
The prime factorization of 21568356 is 2 × 2 × 3 × 3 × 3 × 3 × 66569.
Since it has a total of 7 prime factors.
8 , 3 , 32 , 8 , 615 , 429 , 4096 , 8100 , 92892 , 42405 , 744506 , 896992 , 3025269 , 4187497 , 94991424 , 23972676 , 627611919 , 261571877 , 7798788018 , 8816996013
n×2
43136712
n×3
64705068
n×4
86273424
n×5
107841780
n÷2
10784178
n÷3
7189452
n÷3
5392089
n÷5
4313671.2
n2
465193980542736
n3
1.0033469381403E+22
n4
2.164054395332E+29
n5
4.6675095601884E+36
2 √n
4644.1744153294
3 √n
278.35926499721
4 √n
68.148179838712
5 √n
29.292970123158
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 27 , 36 , 54 , 81 , 108 , 162 , 324 , 66569 , 133138 , 199707 , 266276 , 399414 , 599121 , 798828 , 1198242 , 1797363 , 2396484 , 3594726 , 5392089 , 7189452 , 10784178 , 21568356
30 divisors
τ
Total Divisors
30
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21568355
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.033333333333333
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
30
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21568356 can be divided by 30 positive divisors.
The sum of these divisors (counting 21568356) is 1, the average is 0.033333333333333.
Base
System
Value
2
Binary
1010010010001101101100100
3
Ternary
1111120210020000
4
Quaternary
1102101231210
5
Quinary
21010141411
6
Senary
2050141300
8
Octal
122215544
10
Decimal
21568356
12
Duodecimal
7281830
16
Hexadecimal
1491b64
20
Vigesimal
6eg0hg
36
Base36
cua90
md5
e1531ed3e04607bfd200079374e6d302
sha1
c2d369b852ead4b06763da448b35968b886a7448
sha256
ba011dd23f1b547bec50d06992a16fbad0e26bf978c726c32515dbcc98a25ca7
sha512
42ee00a313925411d8ccab1d9685a3a989cae4bfb2d2fbb6b2fa2a63b51192fb3675afd63030caa4c7c0fa6e6215b790369b0f0165132b303c51d84f5f30408a
ripemd-160
d3e5aa652a8deee852d0cc051604793115a771e4
Diameter
43136712
Circumference
135517977.51922
Area
1.4614499917673E+15
Volume
4.2028098264844E+22
Surface area
5.845799967069E+15
Circumference
135517977.51922
Perimeter
86273424
Area
465193980542736
Diagonal
30502261.573291
Surface area
2791163883256416
Volume
1.0033469381403E+22
Space diagonal
37357488.427733
Perimeter
64705068
Area
2.0143490241881E+14
Altitude
18678744.213867
Surface area
2.0143490241881E+14
Volume
1.1824557064029E+21
Height
10167420.52443