813778913 is an odd 9-digits composite number following 813778912
and preceding 813778914 . In scientific notation, it is written as 8.13778913 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 793623600 positive integers (up to 813778913) that are relatively prime to 813778913.
813778913 has 8 divisors, whose sum is 833992896
The reverse of 813778913 is 319877318
Previous prime number is 661
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
eight hundred thirteen million seven hundred seventy-eight thousand nine hundred thirteen
Scientific notation
8.13778913 × 10^8
Engineering notation
8.13778913 × 10^6
Prime Factorization
43 × 661 × 28631
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
813778913
Product of the distinct prime numbers
The prime factorization of 813778913 is 43 × 661 × 28631.
Since it has a total of 3 prime factors.
1 , 4 , 95 , 22 , 488 , 788 , 8231 , 9774 , 39088 , 43413 , 771275 , 184077 , 7255200 , 77308 , 45382930 , 93594882 , 910499222 , 49993833 , 8038906818 , 7328055937
n×2
1627557826
n×3
2441336739
n×4
3255115652
n×5
4068894565
n÷2
406889456.5
n÷3
271259637.66667
n÷3
203444728.25
n÷5
162755782.6
n2
662236119243461569
n3
5.3891378926728E+26
n4
4.3855667763064E+35
n5
3.5688817641115E+44
2 √n
28526.810424581
3 √n
933.61712814055
4 √n
168.89881712014
5 √n
60.548206916152
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
-813778912
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 813778913 can be divided by 8 positive divisors.
The sum of these divisors (counting 813778913) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000100000010100011111100001
3
Ternary
2002201021020210202
4
Quaternary
300200110133201
5
Quinary
3131311411123
6
Senary
212430034545
8
Octal
6040243741
10
Decimal
813778913
12
Duodecimal
1a8648a55
16
Hexadecimal
308147e1
20
Vigesimal
ce6275d
36
Base36
dgi3tt
md5
5fe7bf8ebb92f987a5a1c5ee993b9e1d
sha1
0098a903f20c6b818b1eaa238512c4b434947c2b
sha256
55c3c228be348c86265c10391d72b3f0a493e2d6ddf83577e56dfcbc927c5138
sha512
6f6522ff80d55573e274115c94c9b845abb21dadfadf0f54a86d439f3a30c83ad327b9ff86e2efe210b049f01647e214280c3c39f53cd6e2ca1ce1de31033145
ripemd-160
de373004c895e75770f7d6c89a514fb5e32cf2bd
Diameter
1627557826
Circumference
5113123709.4542
Area
2.0804761271571E+18
Volume
2.2573968017071E+27
Surface area
8.3219045086283E+18
Circumference
5113123709.4542
Perimeter
3255115652
Area
662236119243461569
Diagonal
1150857175.5378
Surface area
3973416715460769414
Volume
5.3891378926728E+26
Space diagonal
1409506423.4442
Perimeter
2441336739
Area
2.8675665128423E+17
Altitude
704753211.72209
Surface area
2.8675665128423E+17
Volume
6.3511599144306E+25
Height
383619058.51261