21568312 is an even 8-digits composite number following 21568311
and preceding 21568313 . In scientific notation, it is written as 2.1568312 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors.
There are 10436160 positive integers (up to 21568312) that are relatively prime to 21568312.
21568312 has 16 divisors, whose sum is 41745600
The reverse of 21568312 is 21386512
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million five hundred sixty-eight thousand three hundred twelve
Scientific notation
2.1568312 × 10^7
Engineering notation
2.1568312 × 10^6
Prime Factorization
2 × 2 × 2 × 31 × 86969
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5392078
Product of the distinct prime numbers
The prime factorization of 21568312 is 2 × 2 × 2 × 31 × 86969.
Since it has a total of 5 prime factors.
10 , 3 , 9 , 41 , 832 , 746 , 3180 , 1454 , 75374 , 38680 , 31750 , 19165 , 3461008 , 1779726 , 15343818 , 78494334 , 673817914 , 227119136 , 4431916867 , 5177301678
n×2
43136624
n×3
64704936
n×4
86273248
n×5
107841560
n÷2
10784156
n÷3
7189437.3333333
n÷3
5392078
n÷5
4313662.4
n2
465192082529344
n3
1.0033407975923E+22
n4
2.1640367364799E+29
n5
4.667461951186E+36
2 √n
4644.1696782094
3 √n
278.3590757104
4 √n
68.148145082676
5 √n
29.292958171466
1 , 2 , 4 , 8 , 31 , 62 , 124 , 248 , 86969 , 173938 , 347876 , 695752 , 2696039 , 5392078 , 10784156 , 21568312
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21568311
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21568312 can be divided by 16 positive divisors.
The sum of these divisors (counting 21568312) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010010001101100111000
3
Ternary
1111120210011101
4
Quaternary
1102101230320
5
Quinary
21010141222
6
Senary
2050141144
8
Octal
122215470
10
Decimal
21568312
12
Duodecimal
72817b4
16
Hexadecimal
1491b38
20
Vigesimal
6eg0fc
36
Base36
cua7s
md5
b769b21d1c243c87b1f7fe22fdc111fe
sha1
0d9884059e118755af6ff5389898537e33cf506d
sha256
7787d6c67b77131e29506007eeb5286f0a5087107e116fb6971e93a23aff42ce
sha512
88efe2f4093d9f46b1cdad77ff5ffa22c7ee3c30264cbfc460ac940881f73c6e7dd41bef6294e6b8d801fa3d247963471996f4c1031fd7868a3993df37ac1062
ripemd-160
1dd4e3abd25d3583d24f80541f45bc1df5a49cd4
Diameter
43136624
Circumference
135517701.05907
Area
1.4614440289823E+15
Volume
4.202784105017E+22
Surface area
5.8457761159293E+15
Circumference
135517701.05907
Perimeter
86273248
Area
465192082529344
Diagonal
30502199.347894
Surface area
2791152495176064
Volume
1.0033407975923E+22
Space diagonal
37357412.217498
Perimeter
64704936
Area
2.014340805549E+14
Altitude
18678706.108749
Surface area
2.014340805549E+14
Volume
1.1824484696977E+21
Height
10167399.782631