20191408 is an even 8-digits composite number following 20191407
and preceding 20191409 . In scientific notation, it is written as 2.0191408 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 10 positive divisors.
There are 10095696 positive integers (up to 20191408) that are relatively prime to 20191408.
20191408 has 10 divisors, whose sum is 39120884
The reverse of 20191408 is 80419102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred ninety-one thousand four hundred eight
Scientific notation
2.0191408 × 10^7
Engineering notation
2.0191408 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1261963
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2523926
Product of the distinct prime numbers
The prime factorization of 20191408 is 2 × 2 × 2 × 2 × 1261963.
Since it has a total of 5 prime factors.
1 , 3 , 23 , 92 , 804 , 812 , 3247 , 2875 , 65864 , 95489 , 829731 , 194992 , 4410667 , 1979379 , 17273653 , 39293944 , 523080884 , 764525334 , 2811112900 , 8881443277
n×2
40382816
n×3
60574224
n×4
80765632
n×5
100957040
n÷2
10095704
n÷3
6730469.3333333
n÷3
5047852
n÷5
4038281.6
n2
407692957022464
n3
8.231894833967E+21
n4
1.6621354720572E+29
n5
3.356085546758E+36
2 √n
4493.485061731
3 √n
272.30494921658
4 √n
67.033462253796
5 √n
28.909016759925
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20191407
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20191408 can be divided by 10 positive divisors.
The sum of these divisors (counting 20191408) is 1, the average is 0.1.
Base
System
Value
2
Binary
1001101000001100010110000
3
Ternary
1101222211101221
4
Quaternary
1031001202300
5
Quinary
20132111113
6
Senary
2000434424
8
Octal
115014260
10
Decimal
20191408
12
Duodecimal
6918a14
16
Hexadecimal
13418b0
20
Vigesimal
663ia8
36
Base36
c0rsg
md5
b22f8de19e128f91f3171940ef466660
sha1
4325c21afd7b4d46d34288b2ecbb163c6f40d1e1
sha256
ecba7c0eb5b14c5530cfbe85e51a4878c380a4066aa6f018dda6aa2c63b4e3fb
sha512
3d9f1fe5903d4a2aa00f15946634d44d860d378b61a398b57d7a0a5d52ac7607322514723c7bfb62e4f4cf91bfe3240aac581e70e25a99579f465c1aaaf890bb
ripemd-160
04c5b99b94798fa8f88b8db12b1881f4d5e1169e
Diameter
40382816
Circumference
126866358.07687
Area
1.2808051987021E+15
Volume
3.4481680447353E+22
Surface area
5.1232207948083E+15
Circumference
126866358.07687
Perimeter
80765632
Area
407692957022464
Diagonal
28554963.037009
Surface area
2446157742134784
Volume
8.231894833967E+21
Space diagonal
34972544.532353
Perimeter
60574224
Area
1.7653622886273E+14
Altitude
17486272.266176
Surface area
1.7653622886273E+14
Volume
9.701381098521E+20
Height
9518321.0123362