20187138 is an even 8-digits composite number following 20187137
and preceding 20187139 . In scientific notation, it is written as 2.0187138 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6511920 positive integers (up to 20187138) that are relatively prime to 20187138.
20187138 has 16 divisors, whose sum is 41677056
The reverse of 20187138 is 83178102
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred eighty-seven thousand one hundred thirty-eight
Scientific notation
2.0187138 × 10^7
Engineering notation
2.0187138 × 10^6
Prime Factorization
2 × 3 × 31 × 108533
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20187138
Product of the distinct prime numbers
The prime factorization of 20187138 is 2 × 3 × 31 × 108533.
Since it has a total of 4 prime factors.
8 , 6 , 78 , 30 , 379 , 648 , 2699 , 5320 , 66818 , 41363 , 399873 , 440561 , 714549 , 8615392 , 26243492 , 62388403 , 63608680 , 910244849 , 7320881452 , 7367107898
n×2
40374276
n×3
60561414
n×4
80748552
n×5
100935690
n÷2
10093569
n÷3
6729046
n÷3
5046784.5
n÷5
4037427.6
n2
407520540631044
n3
8.2266733915535E+21
n4
1.6607299103622E+29
n5
3.3525383881209E+36
2 √n
4493.0099042847
3 √n
272.28575253472
4 √n
67.029917979098
5 √n
28.90779394332
1 , 2 , 3 , 6 , 31 , 62 , 93 , 186 , 108533 , 217066 , 325599 , 651198 , 3364523 , 6729046 , 10093569 , 20187138
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
-20187137
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 20187138 can be divided by 16 positive divisors.
The sum of these divisors (counting 20187138) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000100000000010
3
Ternary
1101222121112210
4
Quaternary
1031000200002
5
Quinary
20131442023
6
Senary
2000402550
8
Octal
115004002
10
Decimal
20187138
12
Duodecimal
6916456
16
Hexadecimal
1340802
20
Vigesimal
6637gi
36
Base36
c0ohu
md5
23b2e00a1764f452fa64f2c64c28a919
sha1
98a3e623dcd36e8bc01cb5414b11913308370988
sha256
03664fe1f4ad81eb7cc0aa11e25f95a293c6b2ef6720d49dccdc614c32ca4078
sha512
1231aaf213399b8c89f23a7a4963f27a670040ace70d6ee925f9cc728f3b77f8462abba8726aef6d854797c8be69fd155a36d5638abc4a6498a5944297d946c7
ripemd-160
9d181d181797631a1ab85e672eb68bd425153623
Diameter
40374276
Circumference
126839528.87561
Area
1.2802635366334E+15
Volume
3.4459808920516E+22
Surface area
5.1210541465337E+15
Circumference
126839528.87561
Perimeter
80748552
Area
407520540631044
Diagonal
28548924.345097
Surface area
2445123243786264
Volume
8.2266733915535E+21
Space diagonal
34965148.675404
Perimeter
60561414
Area
1.7646157037523E+14
Altitude
17482574.337702
Surface area
1.7646157037523E+14
Volume
9.695227569624E+20
Height
9516308.1150324