21142816 is an even 8-digits composite number following 21142815
and preceding 21142817 . In scientific notation, it is written as 2.1142816 × 10^7.
The sum of its digits is 25. It has a total of 7 prime factors and 24 positive divisors.
There are 10545408 positive integers (up to 21142816) that are relatively prime to 21142816.
21142816 has 24 divisors, whose sum is 41727420
The reverse of 21142816 is 61824112
Previous prime number is 829
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million one hundred forty-two thousand eight hundred sixteen
Scientific notation
2.1142816 × 10^7
Engineering notation
2.1142816 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 829 × 797
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1321426
Product of the distinct prime numbers
The prime factorization of 21142816 is 2 × 2 × 2 × 2 × 2 × 829 × 797.
Since it has a total of 7 prime factors.
9 , 7 , 12 , 65 , 68 , 187 , 9200 , 1655 , 63326 , 84595 , 826309 , 420214 , 4753731 , 3010260 , 86541686 , 37800123 , 43998457 , 593316714 , 9424404591 , 6640907141
n×2
42285632
n×3
63428448
n×4
84571264
n×5
105714080
n÷2
10571408
n÷3
7047605.3333333
n÷3
5285704
n÷5
4228563.2
n2
447018668409856
n3
9.4512334547546E+21
n4
1.9982568990692E+29
n5
4.2248777937751E+36
2 √n
4598.1317945444
3 √n
276.51643139362
4 √n
67.809525839254
5 √n
29.17645788703
1 , 2 , 4 , 8 , 16 , 32 , 797 , 829 , 1594 , 1658 , 3188 , 3316 , 6376 , 6632 , 12752 , 13264 , 25504 , 26528 , 660713 , 1321426 , 2642852 , 5285704 , 10571408 , 21142816
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21142815
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21142816 can be divided by 24 positive divisors.
The sum of these divisors (counting 21142816) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000101001110100100000
3
Ternary
1110210011111021
4
Quaternary
1100221310200
5
Quinary
20403032231
6
Senary
2033055224
8
Octal
120516440
10
Decimal
21142816
12
Duodecimal
70b7514
16
Hexadecimal
1429d20
20
Vigesimal
6c2h0g
36
Base36
cl5wg
md5
ea4a26d65dce5bb1b0851a8d25fc14d3
sha1
c2cef04320f8b667562c4eeee4a27fbd627c606f
sha256
aa18dacba69df2c17cb1777ff9239df2320feca7cf2e6b96ec9e7a26d189e592
sha512
9b7bd08b92736b0d6d034b70dafb4562dfd5535766272ba299ed48f911a7655ac058bf0018cc877aef6776630a4795efde564c09685ee59f766d9062ebfd08c8
ripemd-160
a00bdfc2b544f24211ca6dd7b3c0ef57fd5b5079
Diameter
42285632
Circumference
132844230.8436
Area
1.4043505646939E+15
Volume
3.9589234118425E+22
Surface area
5.6174022587756E+15
Circumference
132844230.8436
Perimeter
84571264
Area
447018668409856
Diagonal
29900457.133959
Surface area
2682112010459136
Volume
9.4512334547546E+21
Space diagonal
36620431.52708
Perimeter
63428448
Area
1.9356476140441E+14
Altitude
18310215.76354
Surface area
1.9356476140441E+14
Volume
1.1138385444057E+21
Height
9966819.044653