20138943 is an odd 8-digits composite number following 20138942
and preceding 20138944 . In scientific notation, it is written as 2.0138943 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 12205400 positive integers (up to 20138943) that are relatively prime to 20138943.
20138943 has 8 divisors, whose sum is 29293056
The reverse of 20138943 is 34983102
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred thirty-eight thousand nine hundred forty-three
Scientific notation
2.0138943 × 10^7
Engineering notation
2.0138943 × 10^6
Prime Factorization
3 × 11 × 610271
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20138943
Product of the distinct prime numbers
The prime factorization of 20138943 is 3 × 11 × 610271.
Since it has a total of 3 prime factors.
9 , 4 , 39 , 41 , 587 , 616 , 1788 , 8907 , 89548 , 73517 , 605216 , 515722 , 6102698 , 5304079 , 52852670 , 22346736 , 182455660 , 665360380 , 4660071286 , 5816151413
n×2
40277886
n×3
60416829
n×4
80555772
n×5
100694715
n÷2
10069471.5
n÷3
6712981
n÷3
5034735.75
n÷5
4027788.6
n2
405577025157249
n3
8.1678925917514E+21
n4
1.644927233354E+29
n5
3.3127095791665E+36
2 √n
4487.6433681833
3 √n
272.0688938448
4 √n
66.989875116941
5 √n
28.893977784682
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
-20138942
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 20138943 can be divided by 8 positive divisors.
The sum of these divisors (counting 20138943) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100101110111111
3
Ternary
1101220011102210
4
Quaternary
1030310232333
5
Quinary
20123421233
6
Senary
1555351503
8
Octal
114645677
10
Decimal
20138943
12
Duodecimal
68b2593
16
Hexadecimal
1334bbf
20
Vigesimal
65h773
36
Base36
bznb3
md5
c0a62a63a6de0c05ffed934391f80181
sha1
7044d2f33f163aac68e78a7d8b164eb7799c249c
sha256
9dccfcbcd36143a1159b7fc383a77fe919d739d24bf04abaed7e3871a039fe75
sha512
9b4f45eb39eba2fe0e178359627f0930c75fd68ac2f2ce279f811bb25677a9ee4ded5a73df307014058b0e2e8662630a581597bb5f76dc32eb02aafbe0892c46
ripemd-160
e672d0fc45ebbc4c970b6bd831c936701abc7cf5
Diameter
40277886
Circumference
126536710.75973
Area
1.2741578026988E+15
Volume
3.4213588482076E+22
Surface area
5.0966312107953E+15
Circumference
126536710.75973
Perimeter
80555772
Area
405577025157249
Diagonal
28480766.322459
Surface area
2433462150943494
Volume
8.1678925917514E+21
Space diagonal
34881672.486734
Perimeter
60416829
Area
1.7562000348875E+14
Altitude
17440836.243367
Surface area
1.7562000348875E+14
Volume
9.625953732718E+20
Height
9493588.7741529