21568340 is an even 8-digits composite number following 21568339
and preceding 21568341 . In scientific notation, it is written as 2.1568340 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 8627328 positive integers (up to 21568340) that are relatively prime to 21568340.
21568340 has 12 divisors, whose sum is 45293556
The reverse of 21568340 is 04386512
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million five hundred sixty-eight thousand three hundred forty
Scientific notation
2.1568340 × 10^7
Engineering notation
2.1568340 × 10^6
Prime Factorization
2 × 2 × 5 × 1078417
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10784170
Product of the distinct prime numbers
The prime factorization of 21568340 is 2 × 2 × 5 × 1078417.
Since it has a total of 4 prime factors.
9 , 1 , 64 , 37 , 284 , 255 , 2592 , 3337 , 51724 , 69866 , 208832 , 796266 , 6764111 , 5816902 , 21932926 , 77833256 , 159579629 , 90806627 , 2447072893 , 443622188
n×2
43136680
n×3
64705020
n×4
86273360
n×5
107841700
n÷2
10784170
n÷3
7189446.6666667
n÷3
5392085
n÷5
4313668
n2
465193290355600
n3
1.0033447052108E+22
n4
2.1640479739187E+29
n5
4.667492247779E+36
2 √n
4644.1726927409
3 √n
278.35919616567
4 √n
68.148167200159
5 √n
29.29296577709
1 , 2 , 4 , 5 , 10 , 20 , 1078417 , 2156834 , 4313668 , 5392085 , 10784170 , 21568340
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
-21568339
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 21568340 can be divided by 12 positive divisors.
The sum of these divisors (counting 21568340) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010010001101101010100
3
Ternary
1111120210012102
4
Quaternary
1102101231110
5
Quinary
21010141330
6
Senary
2050141232
8
Octal
122215524
10
Decimal
21568340
12
Duodecimal
7281818
16
Hexadecimal
1491b54
20
Vigesimal
6eg0h0
36
Base36
cua8k
md5
62a18f6ccfc50438dd873faeda9dbf6d
sha1
bcf13ab3d8155cf53799cc84c76272b37114af38
sha256
bb4481e45c61c208836b88efeb13859318a2007d2c5c06651105616ad4e1bb3c
sha512
acdd19cf87e08f5ca23068c0226ee630c4ac144f89847c673f68b49c6f3fa0ddf2da2b4b5976af9ba4e64be834f63dd808cb0abf6b7aa9199db2746e13b54d28
ripemd-160
ea009f66adec3450948a25e98b72174cc2c3a661
Diameter
43136680
Circumference
135517876.98825
Area
1.4614478234804E+15
Volume
4.2028004732114E+22
Surface area
5.8457912939217E+15
Circumference
135517876.98825
Perimeter
86273360
Area
465193290355600
Diagonal
30502238.945874
Surface area
2791159742133600
Volume
1.0033447052108E+22
Space diagonal
37357460.71492
Perimeter
64705020
Area
2.0143460355901E+14
Altitude
18678730.35746
Surface area
2.0143460355901E+14
Volume
1.1824530748703E+21
Height
10167412.981958