20151408 is an even 8-digits composite number following 20151407
and preceding 20151409 . In scientific notation, it is written as 2.0151408 × 10^7.
The sum of its digits is 21. It has a total of 6 prime factors and 20 positive divisors.
There are 6717120 positive integers (up to 20151408) that are relatively prime to 20151408.
20151408 has 20 divisors, whose sum is 52057928
The reverse of 20151408 is 80415102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred fifty-one thousand four hundred eight
Scientific notation
2.0151408 × 10^7
Engineering notation
2.0151408 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 419821
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2518926
Product of the distinct prime numbers
The prime factorization of 20151408 is 2 × 2 × 2 × 2 × 3 × 419821.
Since it has a total of 6 prime factors.
1 , 9 , 91 , 22 , 895 , 457 , 6888 , 2187 , 38794 , 77210 , 372305 , 204875 , 9794502 , 6117162 , 32076562 , 41935630 , 171860344 , 345308460 , 7702658644 , 2588411938
n×2
40302816
n×3
60454224
n×4
80605632
n×5
100757040
n÷2
10075704
n÷3
6717136
n÷3
5037852
n÷5
4030281.6
n2
406079244382464
n3
8.1830685338827E+21
n4
1.6490035271823E+29
n5
3.322974286969E+36
2 √n
4489.0319669167
3 √n
272.12501462056
4 √n
67.000238558655
5 √n
28.897553685333
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 419821 , 839642 , 1259463 , 1679284 , 2518926 , 3358568 , 5037852 , 6717136 , 10075704 , 20151408
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
-20151407
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 20151408 can be divided by 20 positive divisors.
The sum of these divisors (counting 20151408) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100110111110001110000
3
Ternary
1101220210112110
4
Quaternary
1030313301300
5
Quinary
20124321113
6
Senary
1555525320
8
Octal
114676160
10
Decimal
20151408
12
Duodecimal
68b9840
16
Hexadecimal
1337c70
20
Vigesimal
65iia8
36
Base36
bzwxc
md5
6ddaf579aa488d70f900ebc9577ddbf2
sha1
9b77197f47e25ec032e532dcbf70a88e12f6130a
sha256
1dfa673f659a34c4a4c090cce45ef93e58801ac31fb0a6854ccbfd5f206620b9
sha512
f501c65236f171d2b49e8589ba7887a830b5b1c81ae9b368530ab68a03513294d6c3012d879ef022a23e3fd84a291b164b091031fc17f743a2c4931b500c81f7
ripemd-160
d5b7a2eea3b8ce9de260226678f828343410bbd2
Diameter
40302816
Circumference
126615030.66458
Area
1.2757355709272E+15
Volume
3.4277157319824E+22
Surface area
5.102942283709E+15
Circumference
126615030.66458
Perimeter
80605632
Area
406079244382464
Diagonal
28498394.494514
Surface area
2436475466294784
Volume
8.1830685338827E+21
Space diagonal
34903262.50005
Perimeter
60454224
Area
1.758374707924E+14
Altitude
17451631.250025
Surface area
1.758374707924E+14
Volume
9.6438387520379E+20
Height
9499464.8315046