20215749 is an odd 8-digits composite number following 20215748
and preceding 20215750 . In scientific notation, it is written as 2.0215749 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13394160 positive integers (up to 20215749) that are relatively prime to 20215749.
20215749 has 8 divisors, whose sum is 27120352
The reverse of 20215749 is 94751202
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million two hundred fifteen thousand seven hundred forty-nine
Scientific notation
2.0215749 × 10^7
Engineering notation
2.0215749 × 10^6
Prime Factorization
3 × 163 × 41341
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20215749
Product of the distinct prime numbers
The prime factorization of 20215749 is 3 × 163 × 41341.
Since it has a total of 3 prime factors.
4 , 4 , 69 , 90 , 167 , 823 , 4259 , 8067 , 73961 , 49800 , 679380 , 334064 , 4250803 , 6466904 , 8685619 , 80932906 , 532018700 , 422812061 , 5449686721 , 961648303
n×2
40431498
n×3
60647247
n×4
80862996
n×5
101078745
n÷2
10107874.5
n÷3
6738583
n÷3
5053937.25
n÷5
4043149.8
n2
408676507631001
n3
8.2617017004649E+21
n4
1.6701648788947E+29
n5
3.3763633980351E+36
2 √n
4496.1927227378
3 √n
272.41432763967
4 √n
67.053655550893
5 √n
28.915983439087
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
-20215748
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 20215749 can be divided by 8 positive divisors.
The sum of these divisors (counting 20215749) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000111011111000101
3
Ternary
1102001001210110
4
Quaternary
1031013133011
5
Quinary
20133400444
6
Senary
2001143233
8
Octal
115073705
10
Decimal
20215749
12
Duodecimal
692ab19
16
Hexadecimal
13477c5
20
Vigesimal
666j79
36
Base36
c1akl
md5
bc448905f5451113e4b949dd907370fc
sha1
c042bcaa24885ed4b063506cbddbd870c18f364a
sha256
142ac6abf928db1d44118a5a5992c3b0543c8b64cc014cd78c45f7a3400614e2
sha512
ec2260a14455ea6629ed0632d0be78486fe125da270b8a4964c1705f475ffdec676d6d96c71019bed6986b5bb01b9def93cb19ad6669597e4a1231abb427070e
ripemd-160
b4312777ac6dfdbbb0a47144f40919eb9c5fa777
Diameter
40431498
Circumference
127019297.09043
Area
1.2838951140683E+15
Volume
3.4606535157774E+22
Surface area
5.1355804562731E+15
Circumference
127019297.09043
Perimeter
80862996
Area
408676507631001
Diagonal
28589386.40933
Surface area
2452059045786006
Volume
8.2617017004649E+21
Space diagonal
35014704.38106
Perimeter
60647247
Area
1.7696211876918E+14
Altitude
17507352.19053
Surface area
1.7696211876918E+14
Volume
9.7365088275653E+20
Height
9529795.4697768