20389907 is an odd 8-digits composite number following 20389906
and preceding 20389908 . In scientific notation, it is written as 2.0389907 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 19316736 positive integers (up to 20389907) that are relatively prime to 20389907.
20389907 has 4 divisors, whose sum is 21463080
The reverse of 20389907 is 70998302
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million three hundred eighty-nine thousand nine hundred seven
Scientific notation
2.0389907 × 10^7
Engineering notation
2.0389907 × 10^6
Prime Factorization
19 × 1073153
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20389907
Product of the distinct prime numbers
The prime factorization of 20389907 is 19 × 1073153.
Since it has a total of 2 prime factors.
5 , 1 , 16 , 91 , 384 , 75 , 6173 , 5675 , 98412 , 83976 , 914378 , 650910 , 7151767 , 5514778 , 3604995 , 66672822 , 517133221 , 590958191 , 4939113340 , 1123887246
n×2
40779814
n×3
61169721
n×4
81559628
n×5
101949535
n÷2
10194953.5
n÷3
6796635.6666667
n÷3
5097476.75
n÷5
4077981.4
n2
415748307468649
n3
8.4770693246932E+21
n4
1.7284665516305E+29
n5
3.5243272240356E+36
2 √n
4515.5184641412
3 √n
273.19437199144
4 √n
67.197607577511
5 √n
28.965634680722
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20389906
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20389907 can be divided by 4 positive divisors.
The sum of these divisors (counting 20389907) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110010000000010011
3
Ternary
1102100220200202
4
Quaternary
1031302000103
5
Quinary
20204434112
6
Senary
2005005415
8
Octal
115620023
10
Decimal
20389907
12
Duodecimal
69b386b
16
Hexadecimal
1372013
20
Vigesimal
678ef7
36
Base36
c50yb
md5
007f8526625fec34d84f7d94e45968c5
sha1
279a408e9cf958bc1dcab5b53bdf207e635e735e
sha256
353df61614c940d9a56b5e5adeef19ca242938711c25f07d86eb7ff8585f177d
sha512
c3a76219434ea3c537b333308f2422bc14e6b62f14ceb2bb6a0d64dca182608a57116a4ae45e5061af266e092f2e7fce2bf1317b358b04a5ee5924df138ec88c
ripemd-160
b743058dc1c26da38081f39d6e97ca91cd4af230
Diameter
40779814
Circumference
128113564.07716
Area
1.3061118284859E+15
Volume
3.550866495257E+22
Surface area
5.2244473139436E+15
Circumference
128113564.07716
Perimeter
81559628
Area
415748307468649
Diagonal
28835683.014926
Surface area
2494489844811894
Volume
8.4770693246932E+21
Space diagonal
35316354.885604
Perimeter
61169721
Area
1.8002429792412E+14
Altitude
17658177.442802
Surface area
1.8002429792412E+14
Volume
9.9903220067983E+20
Height
9611894.3383087