20139918 is an even 8-digits composite number following 20139917
and preceding 20139919 . In scientific notation, it is written as 2.0139918 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 6705920 positive integers (up to 20139918) that are relatively prime to 20139918.
20139918 has 16 divisors, whose sum is 40324176
The reverse of 20139918 is 81993102
Previous prime number is 1613
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred thirty-nine thousand nine hundred eighteen
Scientific notation
2.0139918 × 10^7
Engineering notation
2.0139918 × 10^6
Prime Factorization
2 × 3 × 1613 × 2081
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20139918
Product of the distinct prime numbers
The prime factorization of 20139918 is 2 × 3 × 1613 × 2081.
Since it has a total of 4 prime factors.
4 , 3 , 56 , 49 , 281 , 671 , 6407 , 4970 , 20129 , 65603 , 889095 , 88409 , 4516748 , 9796120 , 84046955 , 70588743 , 621419778 , 490485763 , 4109238461 , 764499225
n×2
40279836
n×3
60419754
n×4
80559672
n×5
100699590
n÷2
10069959
n÷3
6713306
n÷3
5034979.5
n÷5
4027983.6
n2
405616297046724
n3
8.1690789619847E+21
n4
1.645245804299E+29
n5
3.3135115588425E+36
2 √n
4487.7519984955
3 √n
272.0732843912
4 √n
66.990685908531
5 √n
28.894257551925
1 , 2 , 3 , 6 , 1613 , 2081 , 3226 , 4162 , 4839 , 6243 , 9678 , 12486 , 3356653 , 6713306 , 10069959 , 20139918
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
-20139917
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 20139918 can be divided by 16 positive divisors.
The sum of these divisors (counting 20139918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100111110001110
3
Ternary
1101220012202220
4
Quaternary
1030310332032
5
Quinary
20123434133
6
Senary
1555400210
8
Octal
114647616
10
Decimal
20139918
12
Duodecimal
68b3066
16
Hexadecimal
1334f8e
20
Vigesimal
65h9fi
36
Base36
bzo26
md5
fae7363e38a4874ed7d03decb7b65a2b
sha1
37149a80d896b57c761f77aae25d17d3053974ee
sha256
d8b9beb06f77f89f00b40dadfd4960f105cfbafcdf02d45421977d7acd8288a4
sha512
34ceb2bb8c13e5628f41c41c560ea77ed068fb1d522f42c41bdfe2deac331a13e88fbc016b98a0dd45d5e8f3b201762a4799461d9e2846bd8fa3561ad8304a22
ripemd-160
a390303af330ff0a09a1671580017a82bec1542d
Diameter
40279836
Circumference
126542836.8654
Area
1.2742811789783E+15
Volume
3.4218557938088E+22
Surface area
5.0971247159131E+15
Circumference
126542836.8654
Perimeter
80559672
Area
405616297046724
Diagonal
28482145.180682
Surface area
2433697782280344
Volume
8.1690789619847E+21
Space diagonal
34883361.236271
Perimeter
60419754
Area
1.7563700871572E+14
Altitude
17441680.618135
Surface area
1.7563700871572E+14
Volume
9.6273518834462E+20
Height
9494048.3935607