20139878 is an even 8-digits composite number following 20139877
and preceding 20139879 . In scientific notation, it is written as 2.0139878 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 9135360 positive integers (up to 20139878) that are relatively prime to 20139878.
20139878 has 16 divisors, whose sum is 33025104
The reverse of 20139878 is 87893102
Previous prime number is 977
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million one hundred thirty-nine thousand eight hundred seventy-eight
Scientific notation
2.0139878 × 10^7
Engineering notation
2.0139878 × 10^6
Prime Factorization
2 × 11 × 977 × 937
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20139878
Product of the distinct prime numbers
The prime factorization of 20139878 is 2 × 11 × 977 × 937.
Since it has a total of 4 prime factors.
6 , 2 , 60 , 58 , 754 , 527 , 1303 , 9934 , 85525 , 51901 , 317159 , 420481 , 7948552 , 532803 , 88980011 , 42765868 , 665738367 , 675128778 , 1818705231 , 3644037066
n×2
40279756
n×3
60419634
n×4
80559512
n×5
100699390
n÷2
10069939
n÷3
6713292.6666667
n÷3
5034969.5
n÷5
4027975.6
n2
405614685854884
n3
8.1690302881257E+21
n4
1.6452327338116E+29
n5
3.3134786540571E+36
2 √n
4487.747541919
3 √n
272.07310426901
4 √n
66.990652645865
5 √n
28.894246074508
1 , 2 , 11 , 22 , 937 , 977 , 1874 , 1954 , 10307 , 10747 , 20614 , 21494 , 915449 , 1830898 , 10069939 , 20139878
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
-20139877
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 20139878 can be divided by 16 positive divisors.
The sum of these divisors (counting 20139878) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100111101100110
3
Ternary
1101220012201102
4
Quaternary
1030310331212
5
Quinary
20123434003
6
Senary
1555400102
8
Octal
114647546
10
Decimal
20139878
12
Duodecimal
68b3032
16
Hexadecimal
1334f66
20
Vigesimal
65h9di
36
Base36
bzo12
md5
898ea41cdd9af8b596c8d52d3a4a0488
sha1
31487d8c78ce8256310dd427474bd0f68ce83087
sha256
3652097a5bc9c945688ae722ba3eef57c992b16a698ecf7cd8116cf1b5b32586
sha512
19ba4d0b84c07a5e2475f61039c0c84757e09fc9ac9a977886d7788b2f1880e93f445ff14b0f547c3ed6279eb527a0afba58685eee9337670fbc4049e5f999d7
ripemd-160
208df9013897202150b5dfb1954ef6d3111f8522
Diameter
40279756
Circumference
126542585.53799
Area
1.2742761172698E+15
Volume
3.4218354053504E+22
Surface area
5.0971044690793E+15
Circumference
126542585.53799
Perimeter
80559512
Area
405614685854884
Diagonal
28482088.61214
Surface area
2433688115129304
Volume
8.1690302881257E+21
Space diagonal
34883291.954239
Perimeter
60419634
Area
1.7563631104919E+14
Altitude
17441645.977119
Surface area
1.7563631104919E+14
Volume
9.6272945207533E+20
Height
9494029.5373798