20139844 is an even 8-digits composite number following 20139843
and preceding 20139845 . In scientific notation, it is written as 2.0139844 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors.
There are 10069920 positive integers (up to 20139844) that are relatively prime to 20139844.
20139844 has 6 divisors, whose sum is 35244734
The reverse of 20139844 is 44893102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred thirty-nine thousand eight hundred forty-four
Scientific notation
2.0139844 × 10^7
Engineering notation
2.0139844 × 10^6
Prime Factorization
2 × 2 × 5034961
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10069922
Product of the distinct prime numbers
The prime factorization of 20139844 is 2 × 2 × 5034961.
Since it has a total of 3 prime factors.
10 , 6 , 51 , 7 , 634 , 282 , 3341 , 2195 , 46012 , 44727 , 174747 , 299558 , 5869990 , 200591 , 27253278 , 24494220 , 948332117 , 541519488 , 2159810464 , 1563240721
n×2
40279688
n×3
60419532
n×4
80559376
n×5
100699220
n÷2
10069922
n÷3
6713281.3333333
n÷3
5034961
n÷5
4027968.8
n2
405613316344336
n3
8.1689889154976E+21
n4
1.6452216239585E+29
n5
3.3134506851951E+36
2 √n
4487.7437538255
3 √n
272.07295116495
4 √n
66.990624372561
5 √n
28.894236318689
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20139843
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20139844 can be divided by 6 positive divisors.
The sum of these divisors (counting 20139844) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001100110100111101000100
3
Ternary
1101220012200011
4
Quaternary
1030310331010
5
Quinary
20123433334
6
Senary
1555400004
8
Octal
114647504
10
Decimal
20139844
12
Duodecimal
68b3004
16
Hexadecimal
1334f44
20
Vigesimal
65h9c4
36
Base36
bzo04
md5
8d9616e67b65b00ac39dc9006ed509ef
sha1
b047101ad65b76a6edd7fb31682f44a186d7d587
sha256
83afe2099e2d578c121c4c760e3bb95f8ae603f0c04abb1f8e78cd2dd37f140f
sha512
013f921bdc9a9f007528fd26ea995b32148fcde3d447a4e42d398436f16d05fcc7b5651d7eb3c1886d9d53ccf1bb01916dabf2ead036748e00e633cd12114c0e
ripemd-160
66e94eb0bd1bb030f42b656d78b05b2501efdbed
Diameter
40279688
Circumference
126542371.90969
Area
1.2742718148256E+15
Volume
3.4218180752245E+22
Surface area
5.0970872593022E+15
Circumference
126542371.90969
Perimeter
80559376
Area
405613316344336
Diagonal
28482040.528878
Surface area
2433679898066016
Volume
8.1689889154976E+21
Space diagonal
34883233.064511
Perimeter
60419532
Area
1.7563571803372E+14
Altitude
17441616.532256
Surface area
1.7563571803372E+14
Volume
9.6272457626435E+20
Height
9494013.5096261