20081455 is an odd 8-digits composite number following 20081454
and preceding 20081456 . In scientific notation, it is written as 2.0081455 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 15723168 positive integers (up to 20081455) that are relatively prime to 20081455.
20081455 has 8 divisors, whose sum is 24610752
The reverse of 20081455 is 55418002
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million eighty-one thousand four hundred fifty-five
Scientific notation
2.0081455 × 10^7
Engineering notation
2.0081455 × 10^6
Prime Factorization
5 × 47 × 85453
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20081455
Product of the distinct prime numbers
The prime factorization of 20081455 is 5 × 47 × 85453.
Since it has a total of 3 prime factors.
2 , 10 , 92 , 83 , 244 , 449 , 9100 , 9919 , 44331 , 46643 , 608712 , 978971 , 4186088 , 5569527 , 90954393 , 66325306 , 345196683 , 280404306 , 6756210588 , 7747211572
n×2
40162910
n×3
60244365
n×4
80325820
n×5
100407275
n÷2
10040727.5
n÷3
6693818.3333333
n÷3
5020363.75
n÷5
4016291
n2
403264834917025
n3
8.0981446354687E+21
n4
1.6262252708066E+29
n5
3.2656969595565E+36
2 √n
4481.233647111
3 √n
271.80976732398
4 √n
66.942017052902
5 √n
28.877462946833
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
-20081454
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 20081455 can be divided by 8 positive divisors.
The sum of these divisors (counting 20081455) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100110101100101111
3
Ternary
1101210020120121
4
Quaternary
1030212230233
5
Quinary
20120101310
6
Senary
1554225411
8
Octal
114465457
10
Decimal
20081455
12
Duodecimal
6885267
16
Hexadecimal
1326b2f
20
Vigesimal
65a3cf
36
Base36
byey7
md5
dc6db8b0fcece2967442894b8960a234
sha1
f00e50a248db28989260c957e218dca46f82314d
sha256
ed70545dd5d2e115437266e840c8b62120a701422fb0bb15c5a3b0f0f66f6d9c
sha512
67776a9401251d3fc8a84a19bf4f3094c13f71bc7dc5e45951b841b23a663eef2ce8feeb6a7d1fab59aa6ef5db81badfda190ca180bbd1282c0d1dbcb3d94e83
ripemd-160
27ca8e9e94a9e155ab63c293953d35504af34788
Diameter
40162910
Circumference
126175503.00279
Area
1.2668938428264E+15
Volume
3.3921428925995E+22
Surface area
5.0675753713057E+15
Circumference
126175503.00279
Perimeter
80325820
Area
403264834917025
Diagonal
28399466.013185
Surface area
2419589009502150
Volume
8.0981446354687E+21
Space diagonal
34782100.349908
Perimeter
60244365
Area
1.7461879574554E+14
Altitude
17391050.174954
Surface area
1.7461879574554E+14
Volume
9.5437549779489E+20
Height
9466488.6710617