20215816 is an even 8-digits composite number following 20215815
and preceding 20215817 . In scientific notation, it is written as 2.0215816 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors.
There are 9993984 positive integers (up to 20215816) that are relatively prime to 20215816.
20215816 has 16 divisors, whose sum is 38331900
The reverse of 20215816 is 61851202
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million two hundred fifteen thousand eight hundred sixteen
Scientific notation
2.0215816 × 10^7
Engineering notation
2.0215816 × 10^6
Prime Factorization
2 × 2 × 2 × 89 × 28393
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5053954
Product of the distinct prime numbers
The prime factorization of 20215816 is 2 × 2 × 2 × 89 × 28393.
Since it has a total of 5 prime factors.
2 , 6 , 70 , 98 , 970 , 101 , 2198 , 3830 , 83737 , 28927 , 659645 , 127780 , 482067 , 8811561 , 99491359 , 67363197 , 339342357 , 280010538 , 7102157258 , 8185811293
n×2
40431632
n×3
60647448
n×4
80863264
n×5
101079080
n÷2
10107908
n÷3
6738605.3333333
n÷3
5053954
n÷5
4043163.2
n2
408679216545856
n3
8.2617838447152E+21
n4
1.6701870203653E+29
n5
3.3764193489294E+36
2 √n
4496.2001734798
3 √n
272.41462858886
4 √n
67.05371110893
5 √n
28.916002606008
1 , 2 , 4 , 8 , 89 , 178 , 356 , 712 , 28393 , 56786 , 113572 , 227144 , 2526977 , 5053954 , 10107908 , 20215816
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
-20215815
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 20215816 can be divided by 16 positive divisors.
The sum of these divisors (counting 20215816) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000111100000001000
3
Ternary
1102001001212221
4
Quaternary
1031013200020
5
Quinary
20133401231
6
Senary
2001143424
8
Octal
115074010
10
Decimal
20215816
12
Duodecimal
692ab74
16
Hexadecimal
1347808
20
Vigesimal
666jag
36
Base36
c1amg
md5
9c35045929d3e0c323da05b286c38c85
sha1
5f94bee161558c64b741540a22fce288aeedaadf
sha256
e4efd8936d7c0d935dd647a3a4d0bc259f00b8325f2f08c6d3c4949d473c7b21
sha512
d4983e649b2101a6787043ecd863014d8b09b4c604219ff5844a812c70aa5f3e52d7cebce8762049c7830bea7308ec68a62f989e9151045202a791201ea4fd4c
ripemd-160
b2650772ce54f03fa7e3f31a6fb36d3553676114
Diameter
40431632
Circumference
127019718.06385
Area
1.2839036243753E+15
Volume
3.4606879242805E+22
Surface area
5.1356144975012E+15
Circumference
127019718.06385
Perimeter
80863264
Area
408679216545856
Diagonal
28589481.161639
Surface area
2452075299275136
Volume
8.2617838447152E+21
Space diagonal
35014820.428464
Perimeter
60647448
Area
1.7696329176372E+14
Altitude
17507410.214232
Surface area
1.7696329176372E+14
Volume
9.7366056354926E+20
Height
9529827.0538797