20157481 is an odd 8-digits composite number following 20157480
and preceding 20157482 . In scientific notation, it is written as 2.0157481 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 20073600 positive integers (up to 20157481) that are relatively prime to 20157481.
20157481 has 4 divisors, whose sum is 20241364
The reverse of 20157481 is 18475102
Previous prime number is 241
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred fifty-seven thousand four hundred eighty-one
Scientific notation
2.0157481 × 10^7
Engineering notation
2.0157481 × 10^6
Prime Factorization
241 × 83641
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20157481
Product of the distinct prime numbers
The prime factorization of 20157481 is 241 × 83641.
Since it has a total of 2 prime factors.
2 , 9 , 28 , 1 , 611 , 551 , 6086 , 4272 , 62612 , 38378 , 658607 , 62765 , 6823075 , 5090253 , 44881341 , 76339953 , 8714263 , 554457419 , 8618042961 , 5456552643
n×2
40314962
n×3
60472443
n×4
80629924
n×5
100787405
n÷2
10078740.5
n÷3
6719160.3333333
n÷3
5039370.25
n÷5
4031496.2
n2
406324040265361
n3
8.1904691214922E+21
n4
1.6509922569757E+29
n5
3.3279845051134E+36
2 √n
4489.7083424205
3 √n
272.1523485125
4 √n
67.005285928951
5 √n
28.899295238002
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20157480
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20157481 can be divided by 4 positive divisors.
The sum of these divisors (counting 20157481) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111001010000101001
3
Ternary
1101221002212101
4
Quaternary
1030321100221
5
Quinary
20130014411
6
Senary
2000013401
8
Octal
114712051
10
Decimal
20157481
12
Duodecimal
6901261
16
Hexadecimal
1339429
20
Vigesimal
65jde1
36
Base36
c01m1
md5
a969d61951c3072db9fbd4891ddb237b
sha1
74c75601d37383b9a8bb8ec7f3e10e66adae0bca
sha256
4b05e6dd85c38f1d37ba675d58231485fe0afcd09a8329930594e2d468a0c6a0
sha512
7113cd45cc8e85ebb012527884e64574099808c4efc2c72760e25ab918136d4da92e4c467b5718d857a4ab8be21151231d2907b64b31f9556d2c0ca17b59e6cb
ripemd-160
799354e7c9731241e7b7f6cc6668df72ff224bca
Diameter
40314962
Circumference
126653188.44895
Area
1.2765046198746E+15
Volume
3.4308156828712E+22
Surface area
5.1060184794983E+15
Circumference
126653188.44895
Perimeter
80629924
Area
406324040265361
Diagonal
28506983.013478
Surface area
2437944241592166
Volume
8.1904691214922E+21
Space diagonal
34913781.244604
Perimeter
60472443
Area
1.7594347051907E+14
Altitude
17456890.622302
Surface area
1.7594347051907E+14
Volume
9.652560428177E+20
Height
9502327.6711593