20081465 is an odd 8-digits composite number following 20081464
and preceding 20081466 . In scientific notation, it is written as 2.0081465 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 16042672 positive integers (up to 20081465) that are relatively prime to 20081465.
20081465 has 8 divisors, whose sum is 24131520
The reverse of 20081465 is 56418002
Previous prime number is 4787
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million eighty-one thousand four hundred sixty-five
Scientific notation
2.0081465 × 10^7
Engineering notation
2.0081465 × 10^6
Prime Factorization
5 × 4787 × 839
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20081465
Product of the distinct prime numbers
The prime factorization of 20081465 is 5 × 4787 × 839.
Since it has a total of 3 prime factors.
1 , 1 , 15 , 86 , 31 , 243 , 4710 , 8473 , 41698 , 89627 , 486157 , 29429 , 3135153 , 7120711 , 68882748 , 28451413 , 436040821 , 747353486 , 1533283157 , 4635632290
n×2
40162930
n×3
60244395
n×4
80325860
n×5
100407325
n÷2
10040732.5
n÷3
6693821.6666667
n÷3
5020366.25
n÷5
4016293
n2
403265236546225
n3
8.0981567334197E+21
n4
1.6262285100668E+29
n5
3.2657050906909E+36
2 √n
4481.2347628751
3 √n
271.80981244185
4 √n
66.942025386711
5 √n
28.877465822866
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20081464
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20081465 can be divided by 8 positive divisors.
The sum of these divisors (counting 20081465) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100110101100111001
3
Ternary
1101210020120222
4
Quaternary
1030212230321
5
Quinary
20120101330
6
Senary
1554225425
8
Octal
114465471
10
Decimal
20081465
12
Duodecimal
6885275
16
Hexadecimal
1326b39
20
Vigesimal
65a3d5
36
Base36
byeyh
md5
311233764abba0ee42e9941e0b1fdf17
sha1
5412449f69a817ef543963c1a0bec98e125450d2
sha256
8625032ef8c4460e190f9507e098b6109cdbf49dfd77822fc36439ad9a3dcd69
sha512
60046af8c0dbda711cd788306c47550de58d905547196a0aea13f38f5c3f288d92e7e8f7f706e3ac0a5e4258e2cc3880b7a4a8df32401a1891b98882c9b74fe0
ripemd-160
259ef3c81f4325971089511381a3e72092aa5f21
Diameter
40162930
Circumference
126175565.83464
Area
1.2668951045818E+15
Volume
3.3921479601774E+22
Surface area
5.0675804183271E+15
Circumference
126175565.83464
Perimeter
80325860
Area
403265236546225
Diagonal
28399480.155321
Surface area
2419591419277350
Volume
8.0981567334197E+21
Space diagonal
34782117.670416
Perimeter
60244395
Area
1.7461896965609E+14
Altitude
17391058.835208
Surface area
1.7461896965609E+14
Volume
9.543769235521E+20
Height
9466493.3851069