20187045 is an odd 8-digits composite number following 20187044
and preceding 20187046 . In scientific notation, it is written as 2.0187045 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 10039680 positive integers (up to 20187045) that are relatively prime to 20187045.
20187045 has 16 divisors, whose sum is 22080000
The reverse of 20187045 is 54078102
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred eighty-seven thousand forty-five
Scientific notation
2.0187045 × 10^7
Engineering notation
2.0187045 × 10^6
Prime Factorization
45 × 31 × 29 × 499
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20187045
Product of the distinct prime numbers
The prime factorization of 20187045 is 45 × 31 × 29 × 499.
Since it has a total of 4 prime factors.
3 , 10 , 47 , 31 , 303 , 945 , 5005 , 1091 , 20372 , 6143 , 718160 , 286744 , 1220441 , 2195386 , 715009 , 29525072 , 501106114 , 567532412 , 7708268681 , 4865543605
n×2
40374090
n×3
60561135
n×4
80748180
n×5
100935225
n÷2
10093522.5
n÷3
6729015
n÷3
5046761.25
n÷5
4037409
n2
407516785832025
n3
8.2265596938465E+21
n4
1.6606993073486E+29
n5
3.3524611648916E+36
2 √n
4492.9995548631
3 √n
272.28533440357
4 √n
67.029840779037
5 √n
28.907767308244
1 , 29 , 31 , 45 , 499 , 899 , 1305 , 1395 , 14471 , 15469 , 22455 , 40455 , 448601 , 651195 , 696105 , 20187045
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
-20187044
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 20187045 can be divided by 16 positive divisors.
The sum of these divisors (counting 20187045) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000011110100101
3
Ternary
1101222121102100
4
Quaternary
1031000132211
5
Quinary
20131441140
6
Senary
2000402313
8
Octal
115003645
10
Decimal
20187045
12
Duodecimal
6916399
16
Hexadecimal
13407a5
20
Vigesimal
6637c5
36
Base36
c0of9
md5
4bd90badd740a061e72731100568791a
sha1
59e240712899d6e2040609241c9ee31fb628b174
sha256
657d339744f9a6315e7235c36c2ced4d1f3e03eb1a19017dccd1a95cbdc509cf
sha512
564bb037d823a6c51c751d5d6592de5ebeee0a3c20d06b2b4ce5d5004cc153136ad3ac20a79282009b0892508a510ebc95429a00bffb00791cac5f020e93e6fd
ripemd-160
5b0d13b836392178f990852db8daa3c7fbbf2d17
Diameter
40374090
Circumference
126838944.53937
Area
1.2802517405844E+15
Volume
3.4459332664675E+22
Surface area
5.1210069623377E+15
Circumference
126838944.53937
Perimeter
80748180
Area
407516785832025
Diagonal
28548792.823236
Surface area
2445100714992150
Volume
8.2265596938465E+21
Space diagonal
34964987.594679
Perimeter
60561135
Area
1.7645994449956E+14
Altitude
17482493.79734
Surface area
1.7645994449956E+14
Volume
9.6950935755913E+20
Height
9516264.274412