1808136938 is an even 10-digits composite number following 1808136937
and preceding 1808136939 . In scientific notation, it is written as 1.808136938 × 10^9.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 828856800 positive integers (up to 1808136938) that are relatively prime to 1808136938.
1808136938 has 8 divisors, whose sum is 2716811940
The reverse of 1808136938 is 8396318081
Previous prime number is 589
Is Prime? no
Number parity even
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion eight hundred eight million one hundred thirty-six thousand nine hundred thirty-eight
Scientific notation
1.808136938 × 10^9
Engineering notation
1.808136938 × 10^9
Prime Factorization
2 × 589 × 1534921
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1808136938
Product of the distinct prime numbers
The prime factorization of 1808136938 is 2 × 589 × 1534921.
Since it has a total of 3 prime factors.
3 , 5 , 67 , 49 , 20 , 929 , 1597 , 9716 , 67850 , 11052 , 24299 , 40592 , 4012065 , 4254586 , 79911336 , 52079801 , 194271735 , 755746901 , 5693311629 , 3388793408
n×2
3616273876
n×3
5424410814
n×4
7232547752
n×5
9040684690
n÷2
904068469
n÷3
602712312.66667
n÷3
452034234.5
n÷5
361627387.6
n2
3269359186560015844
n3
5.9114491088088E+27
n4
1.0688709490744E+37
n5
1.9326650449766E+46
2 √n
42522.193475878
3 √n
1218.2706255214
4 √n
206.20910134104
5 √n
71.030727649877
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
-1808136937
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 1808136938 can be divided by 8 positive divisors.
The sum of these divisors (counting 1808136938) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011110001011111101011101010
3
Ternary
11200000022212120202
4
Quaternary
1223301133223222
5
Quinary
12200340340223
6
Senary
455230352202
8
Octal
15361375352
10
Decimal
1808136938
12
Duodecimal
42565b662
16
Hexadecimal
6bc5faea
20
Vigesimal
1850h26i
36
Base36
twine2
md5
75ad912fc638410af36d00174a030683
sha1
94c78b4609d0231c7b26fcaa112a2890dab68491
sha256
124ab06ba034571485d2e31e9fb15ae6a042af71a9eadb6405cfde924d8f2d47
sha512
60023cb8c171e17de0cf3b140fd9bc97d7342d7d3fec5292844961a6dc9f5ac4163893e3e4c405c3955b4f8b7b87cbe5d357b9d9c271809ed1a0203327607e16
ripemd-160
5329a2b8413456cb8f73556f65c8a8fcc348160d
Diameter
3616273876
Circumference
11360859442.21
Area
1.0270994802443E+19
Volume
2.4761820123072E+28
Surface area
4.1083979209773E+19
Circumference
11360859442.21
Perimeter
7232547752
Area
3269359186560015844
Diagonal
2557091780.3474
Surface area
1.961615511936E+19
Volume
5.9114491088088E+27
Space diagonal
3131785043.658
Perimeter
5424410814
Area
1.4156740548285E+18
Altitude
1565892521.829
Surface area
1.4156740548285E+18
Volume
6.9667095857965E+26
Height
852363926.78245