20215748 is an even 8-digits composite number following 20215747
and preceding 20215749 . In scientific notation, it is written as 2.0215748 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 8663880 positive integers (up to 20215748) that are relatively prime to 20215748.
20215748 has 12 divisors, whose sum is 40431552
The reverse of 20215748 is 84751202
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million two hundred fifteen thousand seven hundred forty-eight
Scientific notation
2.0215748 × 10^7
Engineering notation
2.0215748 × 10^6
Prime Factorization
2 × 2 × 7 × 721991
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10107874
Product of the distinct prime numbers
The prime factorization of 20215748 is 2 × 2 × 7 × 721991.
Since it has a total of 4 prime factors.
5 , 10 , 54 , 91 , 236 , 304 , 6038 , 6580 , 95833 , 65113 , 137418 , 112980 , 4687209 , 4983671 , 37640441 , 48125934 , 204421565 , 874176346 , 6658105169 , 4980841819
n×2
40431496
n×3
60647244
n×4
80862992
n×5
101078740
n÷2
10107874
n÷3
6738582.6666667
n÷3
5053937
n÷5
4043149.6
n2
408676467199504
n3
8.2617004744354E+21
n4
1.6701645484267E+29
n5
3.3763625629527E+36
2 √n
4496.1926115326
3 √n
272.41432314789
4 √n
67.053654721667
5 √n
28.915983153013
1 , 2 , 4 , 7 , 14 , 28 , 721991 , 1443982 , 2887964 , 5053937 , 10107874 , 20215748
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
-20215747
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 20215748 can be divided by 12 positive divisors.
The sum of these divisors (counting 20215748) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000111011111000100
3
Ternary
1102001001210102
4
Quaternary
1031013133010
5
Quinary
20133400443
6
Senary
2001143232
8
Octal
115073704
10
Decimal
20215748
12
Duodecimal
692ab18
16
Hexadecimal
13477c4
20
Vigesimal
666j78
36
Base36
c1akk
md5
4271a4aa074e6309e368f2e438499ffe
sha1
64abe7711938e52eee039e521f0a062784ac4e72
sha256
19a279ecfc68888ac5760dc64ea1cfee87bf6954f39dd55451855d31e6fb866e
sha512
21202ba088b52323b790d145e14250a33c636f742626e7d85d59618699f39aaa3edcd4c34447b76495f7cd78a76b61b1b780b2cf76e81540a98656d5376ece17
ripemd-160
6fa3f8b5439e087e3c694d1445c09683a4ff1342
Diameter
40431496
Circumference
127019290.80725
Area
1.283894987049E+15
Volume
3.4606530022194E+22
Surface area
5.135579948196E+15
Circumference
127019290.80725
Perimeter
80862992
Area
408676467199504
Diagonal
28589384.995117
Surface area
2452058803197024
Volume
8.2617004744354E+21
Space diagonal
35014702.649009
Perimeter
60647244
Area
1.7696210126182E+14
Altitude
17507351.324504
Surface area
1.7696210126182E+14
Volume
9.7365073826757E+20
Height
9529794.9983723