20139791 is an odd 8-digits composite number following 20139790
and preceding 20139792 . In scientific notation, it is written as 2.0139791 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 16236288 positive integers (up to 20139791) that are relatively prime to 20139791.
20139791 has 16 divisors, whose sum is 24403200
The reverse of 20139791 is 19793102
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred thirty-nine thousand seven hundred ninety-one
Scientific notation
2.0139791 × 10^7
Engineering notation
2.0139791 × 10^6
Prime Factorization
7 × 19 × 163 × 929
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20139791
Product of the distinct prime numbers
The prime factorization of 20139791 is 7 × 19 × 163 × 929.
Since it has a total of 4 prime factors.
8 , 10 , 56 , 15 , 791 , 565 , 4596 , 7593 , 77180 , 60021 , 223338 , 786439 , 5016932 , 9995266 , 95059274 , 24372549 , 712099822 , 842630257 , 8737494593 , 325977231
n×2
40279582
n×3
60419373
n×4
80559164
n×5
100698955
n÷2
10069895.5
n÷3
6713263.6666667
n÷3
5034947.75
n÷5
4027958.2
n2
405611181523681
n3
8.16892442315E+21
n4
1.6452043057704E+29
n5
3.3134070870515E+36
2 √n
4487.7378488499
3 √n
272.07271250241
4 √n
66.990580299397
5 √n
28.894221111062
1 , 7 , 19 , 133 , 163 , 929 , 1141 , 3097 , 6503 , 17651 , 21679 , 123557 , 151427 , 1059989 , 2877113 , 20139791
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
-20139790
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 20139791 can be divided by 16 positive divisors.
The sum of these divisors (counting 20139791) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100111100001111
3
Ternary
1101220012121012
4
Quaternary
1030310330033
5
Quinary
20123433131
6
Senary
1555355435
8
Octal
114647417
10
Decimal
20139791
12
Duodecimal
68b2b7b
16
Hexadecimal
1334f0f
20
Vigesimal
65h99b
36
Base36
bznyn
md5
69ee15c4e2904861b7cb3e145346e1d0
sha1
b7350db853de5c36dba2a497f439c899b39fd66c
sha256
dcae7c2a6037b17521aa2ceff5c8be3486aa9d3c7492f978541e11669a96d348
sha512
b07efc13fe240d68f41d5fcbf134213c02ee1afb7e459f36ab62d3144a4200884b70e5286912dc5f0cfa9f1d1d7163ed8c353d74a3a39176d7713ccd4af0e4e9
ripemd-160
582576d86c97c98d8a6c0f48331142b5a0e90e00
Diameter
40279582
Circumference
126542038.90087
Area
1.2742651080887E+15
Volume
3.4217910607331E+22
Surface area
5.0970604323547E+15
Circumference
126542038.90087
Perimeter
80559164
Area
405611181523681
Diagonal
28481965.57556
Surface area
2433667089142086
Volume
8.16892442315E+21
Space diagonal
34883141.265818
Perimeter
60419373
Area
1.7563479362926E+14
Altitude
17441570.632909
Surface area
1.7563479362926E+14
Volume
9.6271697576829E+20
Height
9493988.5251865