640196987 is an odd 9-digits prime number following 640196986
and preceding 640196988 . In scientific notation, it is written as 6.40196987 × 10^8.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 640196986 positive integers (up to 640196987) that are relatively prime to 640196987.
640196987 has 2 divisors, whose sum is 640196988
The reverse of 640196987 is 789691046
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 50 Digital Root 5
Name
six hundred forty million one hundred ninety-six thousand nine hundred eighty-seven
Scientific notation
6.40196987 × 10^8
Engineering notation
6.40196987 × 10^6
Prime Factorization
640196987
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
640196987 Product of the distinct prime numbers
The prime factorization of 640196987 is 640196987.
Since it has a total of 1 prime factors.
6 , 7 , 54 , 21 , 64 , 403 , 2249 , 6864 , 43985 , 55085 , 622677 , 876669 , 9890888 , 4963627 , 99505784 , 69755739 , 419705547 , 867486687 , 8353371005 , 1865885121
n×2
1280393974
n×3
1920590961
n×4
2560787948
n×5
3200984935
n÷2
320098493.5
n÷3
213398995.66667
n÷3
160049246.75
n÷5
128039397.4
n2
409852182163878169
n3
2.6238613213669E+26
n4
1.6797881122449E+35
n5
1.0753952882576E+44
2 √n25302.114279246
3 √n861.86228269855
4 √n159.06638324689
5 √n57.711548213087
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
640196988 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
320098494 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
25302.114299007 Returns the nth root of the product of n divisors
H Harmonic Mean
1.999999996876 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 640196987 can be divided by 2 positive divisors.
The sum of these divisors (counting 640196987) is 640196988, the average is 320098494.
Base
System
Value
2
Binary
100110001010001010000101111011
3
Ternary
1122121122101011112
4
Quaternary
212022022011323
5
Quinary
2302342300422
6
Senary
143305350535
8
Octal
4612120573
10
Decimal
640196987
12
Duodecimal
15a49844b
16
Hexadecimal
2628a17b
20
Vigesimal
a014c97
36
Base36
al5n5n
md5
cd3930b948062165c4ccd1245cc4b421
sha1
cf90d91bd7c74455dce693c161bd196ffe664f31
sha256
6187508b3eb7af2b079778b56a96094ff718551ae810e791d93d60c8267bb7b1
sha512
f4ba4a718702248e71fb70661e55c78a307509ecc4cd590dfd5c8e8591b93adf6c980f9a7f64d6c99a9259306e8c387ea9d849b735009d0aaca2ab5e88d33725
ripemd-160
ddfb0d4cabb759e8dfa486b9c373e6e3258b1888
Diameter
1280393974
Circumference
4022476302.419
Area
1.2875886045438E+18
Volume
1.099080460166E+27
Surface area
5.1503544181751E+18
Circumference
4022476302.419
Perimeter
2560787948
Area
409852182163878169
Diagonal
905375261.60579
Surface area
2459113092983269014
Volume
2.6238613213669E+26
Space diagonal
1108853708.3365
Perimeter
1920590961
Area
1.774712007752E+17
Altitude
554426854.16826
Surface area
1.774712007752E+17
Volume
3.0922502220527E+25
Height
301791753.8686