20391370 is an even 8-digits composite number following 20391369
and preceding 20391371 . In scientific notation, it is written as 2.0391370 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 7727184 positive integers (up to 20391370) that are relatively prime to 20391370.
20391370 has 16 divisors, whose sum is 38636640
The reverse of 20391370 is 07319302
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million three hundred ninety-one thousand three hundred seventy
Scientific notation
2.0391370 × 10^7
Engineering notation
2.0391370 × 10^6
Prime Factorization
2 × 5 × 19 × 107323
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20391370
Product of the distinct prime numbers
The prime factorization of 20391370 is 2 × 5 × 19 × 107323.
Since it has a total of 4 prime factors.
3 , 3 , 23 , 68 , 804 , 60 , 605 , 6157 , 13254 , 60920 , 494687 , 295131 , 1753808 , 8212687 , 53378849 , 31434811 , 524797561 , 1360952 , 736518861 , 6533813959
n×2
40782740
n×3
61174110
n×4
81565480
n×5
101956850
n÷2
10195685
n÷3
6797123.3333333
n÷3
5097842.5
n÷5
4078274
n2
415807970476900
n3
8.4788941749435E+21
n4
1.7289626831212E+29
n5
3.5255917787717E+36
2 √n
4515.680458137
3 √n
273.20090584186
4 √n
67.198812922082
5 √n
28.966050332519
1 , 2 , 5 , 10 , 19 , 38 , 95 , 190 , 107323 , 214646 , 536615 , 1073230 , 2039137 , 4078274 , 10195685 , 20391370
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
-20391369
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 20391370 can be divided by 16 positive divisors.
The sum of these divisors (counting 20391370) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110010010111001010
3
Ternary
1102100222200221
4
Quaternary
1031302113022
5
Quinary
20210010440
6
Senary
2005020254
8
Octal
115622712
10
Decimal
20391370
12
Duodecimal
69b468a
16
Hexadecimal
13725ca
20
Vigesimal
678i8a
36
Base36
c522y
md5
3a3a7994019b97911002e40740f7a15c
sha1
39e191d13824fcf0cc76e2ce0426c8b177912d41
sha256
b0ce7e4331d137f812deff31ad7425f071ed30bbfa409c8d6e2f3ebe8cf41bc3
sha512
5e0ee8675915492f5bdd4732380ac7948e0ee454b5a27a24dc5bf6d6b61219d786adafd85cc5033952bd822553cf9d46eab364370c659bd018778c86c1627565
ripemd-160
1652ba8207eee52f1a3e252e0e65c677c55557cf
Diameter
40782740
Circumference
128122756.37726
Area
1.3062992653543E+15
Volume
3.5516308867424E+22
Surface area
5.2251970614172E+15
Circumference
128122756.37726
Perimeter
81565480
Area
415807970476900
Diagonal
28837752.009368
Surface area
2494847822861400
Volume
8.4788941749435E+21
Space diagonal
35318888.875936
Perimeter
61174110
Area
1.8005013276452E+14
Altitude
17659444.437968
Surface area
1.8005013276452E+14
Volume
9.9924726134428E+20
Height
9612584.0031226