20187842 is an even 8-digits composite number following 20187841
and preceding 20187843 . In scientific notation, it is written as 2.0187842 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 9562320 positive integers (up to 20187842) that are relatively prime to 20187842.
20187842 has 8 divisors, whose sum is 30366732
The reverse of 20187842 is 24878102
Previous prime number is 361
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred eighty-seven thousand eight hundred forty-two
Scientific notation
2.0187842 × 10^7
Engineering notation
2.0187842 × 10^6
Prime Factorization
2 × 361 × 27961
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20187842
Product of the distinct prime numbers
The prime factorization of 20187842 is 2 × 361 × 27961.
Since it has a total of 3 prime factors.
7 , 1 , 2 , 22 , 482 , 733 , 9151 , 3688 , 28349 , 48611 , 98112 , 890156 , 7644734 , 807030 , 346719 , 55405600 , 237861482 , 178942077 , 6986616858 , 778509421
n×2
40375684
n×3
60563526
n×4
80751368
n×5
100939210
n÷2
10093921
n÷3
6729280.6666667
n÷3
5046960.5
n÷5
4037568.4
n2
407548964616964
n3
8.2275341049509E+21
n4
1.6609615856036E+29
n5
3.3531230058235E+36
2 √n
4493.0882475197
3 √n
272.28891770093
4 √n
67.030502366607
5 √n
28.907995564799
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
-20187841
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 20187842 can be divided by 8 positive divisors.
The sum of these divisors (counting 20187842) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000000101011000010
3
Ternary
1101222122111212
4
Quaternary
1031000223002
5
Quinary
20132002332
6
Senary
2000410122
8
Octal
115005302
10
Decimal
20187842
12
Duodecimal
6916942
16
Hexadecimal
1340ac2
20
Vigesimal
6639c2
36
Base36
c0p1e
md5
a6c66dec34e89173ef1dc0551bcb7104
sha1
459ae26af3a3bf99da085c7c41dc841fdab86c3f
sha256
e3925872000f04a9f24f4849639b1219ecacd6a870c98dea63b632111c6f11db
sha512
6c93c32494257248a55eefb27b279fb3767250c893b346e27c3fe72e08c5a59516491fc2581823280559ec81e5444715813cb678436f314d9f150dd93ab1532d
ripemd-160
a5e595a8862dc87d9abd64d2da66f39de5139060
Diameter
40375684
Circumference
126843952.23806
Area
1.2803528332188E+15
Volume
3.4463414268364E+22
Surface area
5.1214113328751E+15
Circumference
126843952.23806
Perimeter
80751368
Area
407548964616964
Diagonal
28549919.951445
Surface area
2445293787701784
Volume
8.2275341049509E+21
Space diagonal
34966368.039173
Perimeter
60563526
Area
1.7647387832217E+14
Altitude
17483184.019586
Surface area
1.7647387832217E+14
Volume
9.6962419300906E+20
Height
9516639.9838151