20139830 is an even 8-digits composite number following 20139829
and preceding 20139831 . In scientific notation, it is written as 2.0139830 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 8055928 positive integers (up to 20139830) that are relatively prime to 20139830.
20139830 has 8 divisors, whose sum is 36251712
The reverse of 20139830 is 03893102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred thirty-nine thousand eight hundred thirty
Scientific notation
2.0139830 × 10^7
Engineering notation
2.0139830 × 10^6
Prime Factorization
2 × 5 × 2013983
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20139830
Product of the distinct prime numbers
The prime factorization of 20139830 is 2 × 5 × 2013983.
Since it has a total of 3 prime factors.
10 , 4 , 34 , 50 , 653 , 236 , 4289 , 9661 , 61741 , 12352 , 553606 , 414556 , 5243126 , 9618446 , 64304497 , 84912000 , 129343127 , 571368558 , 9848695275 , 1641891508
n×2
40279660
n×3
60419490
n×4
80559320
n×5
100699150
n÷2
10069915
n÷3
6713276.6666667
n÷3
5034957.5
n÷5
4027966
n2
405612752428900
n3
8.1689718797501E+21
n4
1.6452170493295E+29
n5
3.3134391686597E+36
2 √n
4487.7421940214
3 √n
272.07288812206
4 √n
66.990612730601
5 √n
28.894232301583
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20139829
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20139830 can be divided by 8 positive divisors.
The sum of these divisors (counting 20139830) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100111100110110
3
Ternary
1101220012122122
4
Quaternary
1030310330312
5
Quinary
20123433310
6
Senary
1555355542
8
Octal
114647466
10
Decimal
20139830
12
Duodecimal
68b2bb2
16
Hexadecimal
1334f36
20
Vigesimal
65h9ba
36
Base36
bznzq
md5
d3a66ad95c7470926878620c7f702b34
sha1
f0349b9dd2248bcf329e343915715cb8ebd59e3b
sha256
a019f433ff3779b6906427a6bf196a66eeb072f16e6c4ef9dac2c9a5e7907f58
sha512
e5a6ead2cade6c845b83c79c88e8ace6536e7fad59a9554b457ae0f223f7c7968be0f0a8ef74628b1be1f71f59678da225e804a3f09b1779d8f24802639c3cfa
ripemd-160
284d0ba23a88775b1e4218725b32fdf6609c9526
Diameter
40279660
Circumference
126542283.94509
Area
1.274270043233E+15
Volume
3.4218109393073E+22
Surface area
5.0970801729319E+15
Circumference
126542283.94509
Perimeter
80559320
Area
405612752428900
Diagonal
28482020.729889
Surface area
2433676514573400
Volume
8.1689718797501E+21
Space diagonal
34883208.8158
Perimeter
60419490
Area
1.7563547385118E+14
Altitude
17441604.4079
Surface area
1.7563547385118E+14
Volume
9.6272256858226E+20
Height
9494006.9099628