20151898 is an even 8-digits composite number following 20151897
and preceding 20151899 . In scientific notation, it is written as 2.0151898 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 9300720 positive integers (up to 20151898) that are relatively prime to 20151898.
20151898 has 12 divisors, whose sum is 32732478
The reverse of 20151898 is 89815102
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred fifty-one thousand eight hundred ninety-eight
Scientific notation
2.0151898 × 10^7
Engineering notation
2.0151898 × 10^6
Prime Factorization
2 × 13 × 13 × 59621
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1550146
Product of the distinct prime numbers
The prime factorization of 20151898 is 2 × 13 × 13 × 59621.
Since it has a total of 4 prime factors.
1 , 9 , 4 , 97 , 77 , 434 , 9239 , 9508 , 2602 , 67318 , 267990 , 716396 , 9754283 , 9716235 , 48082172 , 3857754 , 96009729 , 188583919 , 2623000859 , 4704657591
n×2
40303796
n×3
60455694
n×4
80607592
n×5
100759490
n÷2
10075949
n÷3
6717299.3333333
n÷3
5037974.5
n÷5
4030379.6
n2
406098993002404
n3
8.1836654848872E+21
n4
1.6491639211757E+29
n5
3.3233783124812E+36
2 √n
4489.0865440533
3 √n
272.12722025927
4 √n
67.000645848031
5 √n
28.89769421808
1 , 2 , 13 , 26 , 169 , 338 , 59621 , 119242 , 775073 , 1550146 , 10075949 , 20151898
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20151897
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20151898 can be divided by 12 positive divisors.
The sum of these divisors (counting 20151898) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110111111001011010
3
Ternary
1101220211012121
4
Quaternary
1030313321122
5
Quinary
20124330043
6
Senary
1555531454
8
Octal
114677132
10
Decimal
20151898
12
Duodecimal
68b9b8a
16
Hexadecimal
1337e5a
20
Vigesimal
65ijei
36
Base36
bzxay
md5
c0aab73b7008885b606673663ab4a797
sha1
4b659bc889c5c379d2f5e59eac7408f8a4bc57c2
sha256
fc330c269fd9897d04800cc7e1b1fd1e1a34e0fe5f145518bf2f8b2dfdcc9a5d
sha512
c059c9dd751a88a39dec57b1656ed9374eebb6f86cd98315a9c4e9d1386efd9cdf6a5127f6feffd9294c616f34bd9188a677f7817d9a1bd3f91ce4886658eef0
ripemd-160
54dc720ffa68638e887dd38e3f01ffe77888fad7
Diameter
40303796
Circumference
126618109.42538
Area
1.2757976130466E+15
Volume
3.4279657822344E+22
Surface area
5.1031904521863E+15
Circumference
126618109.42538
Perimeter
80607592
Area
406098993002404
Diagonal
28499087.459159
Surface area
2436593958014424
Volume
8.1836654848872E+21
Space diagonal
34904111.204946
Perimeter
60455694
Area
1.7584602219568E+14
Altitude
17452055.602473
Surface area
1.7584602219568E+14
Volume
9.6445422655433E+20
Height
9499695.8197198