1808971948 is an even 10-digits composite number following 1808971947
and preceding 1808971949 . In scientific notation, it is written as 1.808971948 × 10^9.
The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors.
There are 775273680 positive integers (up to 1808971948) that are relatively prime to 1808971948.
1808971948 has 12 divisors, whose sum is 3617943952
The reverse of 1808971948 is 8491798081
Previous prime number is 7
Is Prime? no Number parity even Number length 10 Sum of Digits 55 Digital Root 1
Name
one billion eight hundred eight million nine hundred seventy-one thousand nine hundred forty-eight
Scientific notation
1.808971948 × 10^9
Engineering notation
1.808971948 × 10^9
Prime Factorization
2 × 2 × 7 × 64606141
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
904485974 Product of the distinct prime numbers
The prime factorization of 1808971948 is 2 × 2 × 7 × 64606141.
Since it has a total of 4 prime factors.
3 , 2 , 7 , 53 , 122 , 847 , 6129 , 9663 , 92891 , 60782 , 80365 , 24865 , 9787202 , 9018706 , 70626192 , 68724978 , 298075959 , 784875962 , 9892782532 , 3735507711
n×2
3617943896
n×3
5426915844
n×4
7235887792
n×5
9044859740
n÷2
904485974
n÷3
602990649.33333
n÷3
452242987
n÷5
361794389.6
n2
3272379508650914704
n3
5.9196427343595E+27
n4
1.0708467648638E+37
n5
1.9371317582452E+46
2 √n42532.010862408
3 √n1218.4581318951
4 √n206.23290441248
5 √n71.037286933472
1 , 2 , 4 , 7 , 14 , 28 , 64606141 , 129212282 , 258424564 , 452242987 , 904485974 , 1808971948
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
-1808971947 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 1808971948 can be divided by 12 positive divisors.
The sum of these divisors (counting 1808971948) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011110100101011100010101100
3
Ternary
11200001220022000001
4
Quaternary
1223310223202230
5
Quinary
12201044100243
6
Senary
455300314044
8
Octal
15364534254
10
Decimal
1808971948
12
Duodecimal
4259a2924
16
Hexadecimal
6bd2b8ac
20
Vigesimal
185619h8
36
Base36
tx0jos
md5
6db47b02b35a6217293e129eb7ef7b4f
sha1
8aefd5754a7052beba968728e0f0f9632f361dcd
sha256
2d30a87dc64a092f1c5e897e5ebda579fb23398fbc474bee49d147e54baa8071
sha512
0a8387a2600ea3e9068861583fc6f113f9694cab6ecf1314ce0acb2a4c13f08f8b0ac41b76015f2b4288b464f32ff110081dd84656385cce69f89b1c48d3cab3
ripemd-160
80515e455dc78386c03299d0be197cdb264efcbf
Diameter
3617943896
Circumference
11366105964.774
Area
1.0280483424135E+19
Volume
2.479614150152E+28
Surface area
4.1121933696542E+19
Circumference
11366105964.774
Perimeter
7235887792
Area
3272379508650914704
Diagonal
2558272662.8141
Surface area
1.9634277051905E+19
Volume
5.9196427343595E+27
Space diagonal
3133231323.4028
Perimeter
5426915844
Area
1.4169818926577E+18
Altitude
1566615661.7014
Surface area
1.4169818926577E+18
Volume
6.9763658661122E+26
Height
852757554.27136