20139820 is an even 8-digits composite number following 20139819
and preceding 20139821 . In scientific notation, it is written as 2.0139820 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 8055920 positive integers (up to 20139820) that are relatively prime to 20139820.
20139820 has 12 divisors, whose sum is 42293664
The reverse of 20139820 is 02893102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred thirty-nine thousand eight hundred twenty
Scientific notation
2.0139820 × 10^7
Engineering notation
2.0139820 × 10^6
Prime Factorization
2 × 2 × 5 × 1006991
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10069910
Product of the distinct prime numbers
The prime factorization of 20139820 is 2 × 2 × 5 × 1006991.
Since it has a total of 4 prime factors.
1 , 3 , 70 , 4 , 281 , 441 , 6314 , 2487 , 10003 , 86079 , 550047 , 297992 , 883982 , 4828536 , 27789235 , 39060569 , 631905558 , 252478242 , 4966379703 , 5854928195
n×2
40279640
n×3
60419460
n×4
80559280
n×5
100699100
n÷2
10069910
n÷3
6713273.3333333
n÷3
5034955
n÷5
4027964
n2
405612349632400
n3
8.1689597113736E+21
n4
1.6452137817432E+29
n5
3.3134309425827E+36
2 √n
4487.7410798753
3 √n
272.0728430914
4 √n
66.990604414912
5 √n
28.89422943222
1 , 2 , 4 , 5 , 10 , 20 , 1006991 , 2013982 , 4027964 , 5034955 , 10069910 , 20139820
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20139819
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20139820 can be divided by 12 positive divisors.
The sum of these divisors (counting 20139820) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110100111100101100
3
Ternary
1101220012122021
4
Quaternary
1030310330230
5
Quinary
20123433240
6
Senary
1555355524
8
Octal
114647454
10
Decimal
20139820
12
Duodecimal
68b2ba4
16
Hexadecimal
1334f2c
20
Vigesimal
65h9b0
36
Base36
bznzg
md5
453242c8a3da6237ac1d1003810fde61
sha1
d2eb71660a8e9df086a0baa8c94a3c0b74e88ac2
sha256
032d9bca15e6500f790b3ce215254fd13fbd55ff77e3a34a04dd2aa8b982979a
sha512
9641f109a79d4e230db45e47c7c132c72fb292ede824cf7b35773a718c8e9524c27259d837e6be22ac625735e947f094aedae648a0d298b874869515032d0e9b
ripemd-160
c350491a9377fa221fd652b7b12b60a7373cdbce
Diameter
40279640
Circumference
126542221.11324
Area
1.2742687778104E+15
Volume
3.4218058422296E+22
Surface area
5.0970751112418E+15
Circumference
126542221.11324
Perimeter
80559280
Area
405612349632400
Diagonal
28482006.587753
Surface area
2433674097794400
Volume
8.1689597113736E+21
Space diagonal
34883191.495292
Perimeter
60419460
Area
1.7563529943518E+14
Altitude
17441595.747646
Surface area
1.7563529943518E+14
Volume
9.6272113452533E+20
Height
9494002.1959176