20389993 is an odd 8-digits composite number following 20389992
and preceding 20389994 . In scientific notation, it is written as 2.0389993 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 18555600 positive integers (up to 20389993) that are relatively prime to 20389993.
20389993 has 8 divisors, whose sum is 22268736
The reverse of 20389993 is 39998302
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million three hundred eighty-nine thousand nine hundred ninety-three
Scientific notation
2.0389993 × 10^7
Engineering notation
2.0389993 × 10^6
Prime Factorization
71 × 13 × 22091
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20389993
Product of the distinct prime numbers
The prime factorization of 20389993 is 71 × 13 × 22091.
Since it has a total of 3 prime factors.
2 , 4 , 17 , 76 , 266 , 538 , 445 , 3255 , 76444 , 97823 , 11979 , 584780 , 7328655 , 2429217 , 97886703 , 59961158 , 464800575 , 46375072 , 8001616482 , 2561893410
n×2
40779986
n×3
61169979
n×4
81559972
n×5
101949965
n÷2
10194996.5
n÷3
6796664.3333333
n÷3
5097498.25
n÷5
4077998.6
n2
415751814540049
n3
8.4771765882089E+21
n4
1.7284957129334E+29
n5
3.5244015487243E+36
2 √n
4515.5279868472
3 √n
273.19475608152
4 √n
67.197678433463
5 √n
28.965659114776
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
-20389992
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 20389993 can be divided by 8 positive divisors.
The sum of these divisors (counting 20389993) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110010000001101001
3
Ternary
1102100220210221
4
Quaternary
1031302001221
5
Quinary
20204434433
6
Senary
2005010041
8
Octal
115620151
10
Decimal
20389993
12
Duodecimal
69b3921
16
Hexadecimal
1372069
20
Vigesimal
678ejd
36
Base36
c510p
md5
adab5818606fa18681b9f88de8966561
sha1
a014d1f019a348a292c3e794c571b0da04f385f8
sha256
72257a073cb75f7bf9643cf44ab517f348f74ea04c6312135a7224238558c539
sha512
c5a69e86d03ccf2c44911abd256006352fe2600c61f9992359e99872acebe9a7b3ffed8d71b58096766b7dfd6e60121898f22cd5978ad99def950e1220b7eac8
ripemd-160
b5e61eab9575c555ec4e14c5a53aff1f144917d6
Diameter
40779986
Circumference
128114104.43109
Area
1.3061228462756E+15
Volume
3.5509114256934E+22
Surface area
5.2244913851026E+15
Circumference
128114104.43109
Perimeter
81559972
Area
415751814540049
Diagonal
28835804.637292
Surface area
2494510887240294
Volume
8.4771765882089E+21
Space diagonal
35316503.841974
Perimeter
61169979
Area
1.8002581653058E+14
Altitude
17658251.920987
Surface area
1.8002581653058E+14
Volume
9.9904484180639E+20
Height
9611934.8790975