20139742 is an even 8-digits composite number following 20139741
and preceding 20139743 . In scientific notation, it is written as 2.0139742 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 8615520 positive integers (up to 20139742) that are relatively prime to 20139742.
20139742 has 16 divisors, whose sum is 34588512
The reverse of 20139742 is 24793102
Previous prime number is 773
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred thirty-nine thousand seven hundred forty-two
Scientific notation
2.0139742 × 10^7
Engineering notation
2.0139742 × 10^6
Prime Factorization
2 × 7 × 773 × 1861
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20139742
Product of the distinct prime numbers
The prime factorization of 20139742 is 2 × 7 × 773 × 1861.
Since it has a total of 4 prime factors.
2 , 8 , 38 , 69 , 578 , 746 , 456 , 8138 , 39323 , 79690 , 381687 , 708981 , 6132989 , 2422238 , 63829047 , 97771721 , 654312630 , 511401952 , 9274370627 , 8838998781
n×2
40279484
n×3
60419226
n×4
80558968
n×5
100698710
n÷2
10069871
n÷3
6713247.3333333
n÷3
5034935.5
n÷5
4027948.4
n2
405609207826564
n3
8.1688647984514E+21
n4
1.6451882947369E+29
n5
3.3133667797422E+36
2 √n
4487.7323895259
3 √n
272.07249185177
4 √n
66.990539552432
5 √n
28.894207051153
1 , 2 , 7 , 14 , 773 , 1546 , 1861 , 3722 , 5411 , 10822 , 13027 , 26054 , 1438553 , 2877106 , 10069871 , 20139742
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
-20139741
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 20139742 can be divided by 16 positive divisors.
The sum of these divisors (counting 20139742) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100111011011110
3
Ternary
1101220012112101
4
Quaternary
1030310323132
5
Quinary
20123432432
6
Senary
1555355314
8
Octal
114647336
10
Decimal
20139742
12
Duodecimal
68b2b3a
16
Hexadecimal
1334ede
20
Vigesimal
65h972
36
Base36
bznxa
md5
082b9a7f093d7aad46daca6d415245ea
sha1
7335a8d0ec7160498f45558e69ed870a7e459887
sha256
1ebd5a1910a9265ecfab9e2062eb43ed1417b43f5321140128b964887727a98b
sha512
7ee2b1a090b07f7a6293db5a49e5520c48c8a882708bc188234673017c368183ea160e92ed9d6952efcd265b82630d24ce11590a370401c78257bd501388024f
ripemd-160
75a5bab2940c7bcbaf37dcd400f4b34618c75ef2
Diameter
40279484
Circumference
126541731.02479
Area
1.2742589075363E+15
Volume
3.4217660851977E+22
Surface area
5.0970356301452E+15
Circumference
126541731.02479
Perimeter
80558968
Area
405609207826564
Diagonal
28481896.279095
Surface area
2433655246959384
Volume
8.1688647984514E+21
Space diagonal
34883056.395329
Perimeter
60419226
Area
1.7563393899334E+14
Altitude
17441528.197664
Surface area
1.7563393899334E+14
Volume
9.6270994893018E+20
Height
9493965.426365