20191888 is an even 8-digits composite number following 20191887
and preceding 20191889 . In scientific notation, it is written as 2.0191888 × 10^7.
The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors.
There are 9747584 positive integers (up to 20191888) that are relatively prime to 20191888.
20191888 has 20 divisors, whose sum is 40471740
The reverse of 20191888 is 88819102
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred ninety-one thousand eight hundred eighty-eight
Scientific notation
2.0191888 × 10^7
Engineering notation
2.0191888 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 29 × 43517
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2523986
Product of the distinct prime numbers
The prime factorization of 20191888 is 2 × 2 × 2 × 2 × 29 × 43517.
Since it has a total of 6 prime factors.
9 , 6 , 90 , 40 , 663 , 832 , 5180 , 1140 , 22678 , 30599 , 23780 , 84729 , 9019965 , 1034740 , 677462 , 27747534 , 264799733 , 575016186 , 6143313569 , 3955802457
n×2
40383776
n×3
60575664
n×4
80767552
n×5
100959440
n÷2
10095944
n÷3
6730629.3333333
n÷3
5047972
n÷5
4038377.6
n2
407712341004544
n3
8.2324819257816E+21
n4
1.6622935300741E+29
n5
3.356484478238E+36
2 √n
4493.538472073
3 √n
272.30710698817
4 √n
67.033860638285
5 √n
28.909154206467
1 , 2 , 4 , 8 , 16 , 29 , 58 , 116 , 232 , 464 , 43517 , 87034 , 174068 , 348136 , 696272 , 1261993 , 2523986 , 5047972 , 10095944 , 20191888
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20191887
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20191888 can be divided by 20 positive divisors.
The sum of these divisors (counting 20191888) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001101000001101010010000
3
Ternary
1101222212001201
4
Quaternary
1031001222100
5
Quinary
20132120023
6
Senary
2000440544
8
Octal
115015220
10
Decimal
20191888
12
Duodecimal
6919154
16
Hexadecimal
1341a90
20
Vigesimal
663je8
36
Base36
c0s5s
md5
8ac588e5073866434e2691737aa222f2
sha1
ba6c8966e95fdef3a5c9f013229855f2525c439c
sha256
0236a3075a7ecfa459de4e7282c1338d996f483fb4739dcb3f07c254f27e3dd6
sha512
e8259b906e1c83eed1bfdee8e40a0104593357ecb544dbf5802aa3bd8f1ad9d49a8e07d8fb94bf937e3880c288e158639a6c65e0ad336c9bd4eafdb10f26194f
ripemd-160
d43507f1f3ec5d6acdfc24b773cb393c412e81ee
Diameter
40383776
Circumference
126869374.00582
Area
1.2808660952778E+15
Volume
3.4484139651795E+22
Surface area
5.1234643811111E+15
Circumference
126869374.00582
Perimeter
80767552
Area
407712341004544
Diagonal
28555641.859519
Surface area
2446274046027264
Volume
8.2324819257816E+21
Space diagonal
34973375.91674
Perimeter
60575664
Area
1.7654462237318E+14
Altitude
17486687.95837
Surface area
1.7654462237318E+14
Volume
9.7020729928597E+20
Height
9518547.2865062