20081977 is an odd 8-digits composite number following 20081976
and preceding 20081978 . In scientific notation, it is written as 2.0081977 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 19782180 positive integers (up to 20081977) that are relatively prime to 20081977.
20081977 has 4 divisors, whose sum is 20381776
The reverse of 20081977 is 77918002
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million eighty-one thousand nine hundred seventy-seven
Scientific notation
2.0081977 × 10^7
Engineering notation
2.0081977 × 10^6
Prime Factorization
67 × 299731
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20081977
Product of the distinct prime numbers
The prime factorization of 20081977 is 67 × 299731.
Since it has a total of 2 prime factors.
4 , 5 , 71 , 78 , 91 , 186 , 2286 , 7046 , 40416 , 2078 , 763695 , 890228 , 6003344 , 9171328 , 65479850 , 30863983 , 792354103 , 224140306 , 2613231407 , 7593512750
n×2
40163954
n×3
60245931
n×4
80327908
n×5
100409885
n÷2
10040988.5
n÷3
6693992.3333333
n÷3
5020494.25
n÷5
4016395.4
n2
403285800228529
n3
8.0987761646159E+21
n4
1.6263943666597E+29
n5
3.2661214264189E+36
2 √n
4481.2918896229
3 √n
271.8121224566
4 √n
66.942452073575
5 √n
28.877613074191
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20081976
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20081977 can be divided by 4 positive divisors.
The sum of these divisors (counting 20081977) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100100110110100111001
3
Ternary
1101210021021221
4
Quaternary
1030212310321
5
Quinary
20120110402
6
Senary
1554232041
8
Octal
114466471
10
Decimal
20081977
12
Duodecimal
6885621
16
Hexadecimal
1326d39
20
Vigesimal
65a4ih
36
Base36
byfcp
md5
e5a582e53a41e78a3796e3b99a123006
sha1
964255d607cffd5b7f193c244bf89c7840936069
sha256
deb95bcd8c334e4c663049a3de9da4c447dfee5eafdcdc0878c4b40c49981825
sha512
9da0c4c49f58e812f61eed50629f0cda7b8c81cf056b520bb6de6277eeca404d5832039ae1444d7434f0a5edf77013ff108c135747d54d124b0a414b1bf8aef8
ripemd-160
f5004d7a011caeb9b43bb60625d3f8cc2dd7731f
Diameter
40163954
Circumference
126178782.82552
Area
1.266959707295E+15
Volume
3.3924074269101E+22
Surface area
5.0678388291801E+15
Circumference
126178782.82552
Perimeter
80327908
Area
403285800228529
Diagonal
28400204.232665
Surface area
2419714801371174
Volume
8.0987761646159E+21
Space diagonal
34783004.48043
Perimeter
60245931
Area
1.7462787399172E+14
Altitude
17391502.240215
Surface area
1.7462787399172E+14
Volume
9.5444992421865E+20
Height
9466734.7442215