20215864 is an even 8-digits composite number following 20215863
and preceding 20215865 . In scientific notation, it is written as 2.0215864 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 8 positive divisors.
There are 10107928 positive integers (up to 20215864) that are relatively prime to 20215864.
20215864 has 8 divisors, whose sum is 37904760
The reverse of 20215864 is 46851202
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million two hundred fifteen thousand eight hundred sixty-four
Scientific notation
2.0215864 × 10^7
Engineering notation
2.0215864 × 10^6
Prime Factorization
2 × 2 × 2 × 2526983
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5053966
Product of the distinct prime numbers
The prime factorization of 20215864 is 2 × 2 × 2 × 2526983.
Since it has a total of 4 prime factors.
2 , 2 , 21 , 47 , 528 , 668 , 7871 , 4253 , 92959 , 62696 , 92671 , 600323 , 5652126 , 6518736 , 20451823 , 58851709 , 75865127 , 410092852 , 7868710039 , 513942097
n×2
40431728
n×3
60647592
n×4
80863456
n×5
101079320
n÷2
10107932
n÷3
6738621.3333333
n÷3
5053966
n÷5
4043172.8
n2
408681157266496
n3
8.2618426946621E+21
n4
1.6702028830468E+29
n5
3.3764594336083E+36
2 √n
4496.2055113173
3 √n
272.41484419384
4 √n
67.053750911618
5 √n
28.916016337502
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20215863
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20215864 can be divided by 8 positive divisors.
The sum of these divisors (counting 20215864) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000111100000111000
3
Ternary
1102001001221201
4
Quaternary
1031013200320
5
Quinary
20133401424
6
Senary
2001143544
8
Octal
115074070
10
Decimal
20215864
12
Duodecimal
692abb4
16
Hexadecimal
1347838
20
Vigesimal
666jd4
36
Base36
c1ans
md5
b1f69dac416f09ae9dbc6b82ac6b6105
sha1
c6f981d94c81d7632add89e43931f83efb90ed24
sha256
fce5a94753d8f9759fe298d1715411a387a4b2135c6a00a1379ace0a7fcdfb4e
sha512
8b1bcf61b19251a11817b250bca1a5454ccec2a79f6773bc1e44e3b9749ac925ed481b0341ee96e3921689898563030df91664aa2fb8ca193934f51977ff145b
ripemd-160
12559de3ae6bbb941a26819dba67779145281be8
Diameter
40431728
Circumference
127020019.65674
Area
1.283909721329E+15
Volume
3.4607125752887E+22
Surface area
5.135638885316E+15
Circumference
127020019.65674
Perimeter
80863456
Area
408681157266496
Diagonal
28589549.04389
Surface area
2452086943598976
Volume
8.2618426946621E+21
Space diagonal
35014903.566903
Perimeter
60647592
Area
1.769641321204E+14
Altitude
17507451.783451
Surface area
1.769641321204E+14
Volume
9.7366749908202E+20
Height
9529849.6812967