20187144 is an even 8-digits composite number following 20187143
and preceding 20187145 . In scientific notation, it is written as 2.0187144 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors.
There are 6728832 positive integers (up to 20187144) that are relatively prime to 20187144.
20187144 has 16 divisors, whose sum is 38319420
The reverse of 20187144 is 44178102
Previous prime number is 81
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred eighty-seven thousand one hundred forty-four
Scientific notation
2.0187144 × 10^7
Engineering notation
2.0187144 × 10^6
Prime Factorization
2 × 2 × 2 × 81 × 31153
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5046786
Product of the distinct prime numbers
The prime factorization of 20187144 is 2 × 2 × 2 × 81 × 31153.
Since it has a total of 5 prime factors.
5 , 6 , 4 , 76 , 289 , 885 , 8390 , 3086 , 87873 , 74971 , 448019 , 175824 , 8769844 , 2753770 , 22446724 , 47991182 , 42117198 , 708733035 , 4579318504 , 72790745
n×2
40374288
n×3
60561432
n×4
80748576
n×5
100935720
n÷2
10093572
n÷3
6729048
n÷3
5046786
n÷5
4037428.8
n2
407520782876736
n3
8.2266807269254E+21
n4
1.6607318847647E+29
n5
3.3525433703136E+36
2 √n
4493.0105719885
3 √n
272.28577951088
4 √n
67.029922959738
5 √n
28.907795661709
1 , 2 , 4 , 8 , 81 , 162 , 324 , 648 , 31153 , 62306 , 124612 , 249224 , 2523393 , 5046786 , 10093572 , 20187144
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
-20187143
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 20187144 can be divided by 16 positive divisors.
The sum of these divisors (counting 20187144) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000100000001000
3
Ternary
1101222121120000
4
Quaternary
1031000200020
5
Quinary
20131442034
6
Senary
2000403000
8
Octal
115004010
10
Decimal
20187144
12
Duodecimal
6916460
16
Hexadecimal
1340808
20
Vigesimal
6637h4
36
Base36
c0oi0
md5
b2e105a51f1bdaab6153e2e26ad2bdd0
sha1
cf7a3be6957b3e9db5a88b836338488a98b642e8
sha256
f336a58aa9aa6c8d88f90353577876346ef3caf2af0de5c28b7f0026a4dd9177
sha512
723e36585288f2005628194f3903537da7b01bbfe8da69e91b61c44e2edf9397012aef6443479f0d4fa55d85a1013f8d839e1128f839f4444b4d05ad27361cc3
ripemd-160
8f4bcee160e2ef479cddd55140cde7857b5143c1
Diameter
40374288
Circumference
126839566.57472
Area
1.2802642976707E+15
Volume
3.445983964685E+22
Surface area
5.1210571906829E+15
Circumference
126839566.57472
Perimeter
80748576
Area
407520782876736
Diagonal
28548932.830379
Surface area
2445124697260416
Volume
8.2266807269254E+21
Space diagonal
34965159.067709
Perimeter
60561432
Area
1.7646167527069E+14
Altitude
17482579.533855
Surface area
1.7646167527069E+14
Volume
9.6952362144427E+20
Height
9516310.9434596