681694865 is an odd 9-digits composite number following 681694864
and preceding 681694866 . In scientific notation, it is written as 6.81694865 × 10^8.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 545355888 positive integers (up to 681694865) that are relatively prime to 681694865.
681694865 has 4 divisors, whose sum is 818033844
The reverse of 681694865 is 568496186
Previous prime number is 5
Is Prime? no Number parity odd Number length 9 Sum of Digits 53 Digital Root 8
Name
six hundred eighty-one million six hundred ninety-four thousand eight hundred sixty-five
Scientific notation
6.81694865 × 10^8
Engineering notation
6.81694865 × 10^6
Prime Factorization
5 × 136338973
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
681694865 Product of the distinct prime numbers
The prime factorization of 681694865 is 5 × 136338973.
Since it has a total of 2 prime factors.
9 , 6 , 50 , 73 , 347 , 502 , 5976 , 6339 , 31326 , 64203 , 32413 , 210868 , 7631073 , 3715939 , 9007617 , 69647015 , 335734914 , 266867186 , 1824420038 , 4859567317
n×2
1363389730
n×3
2045084595
n×4
2726779460
n×5
3408474325
n÷2
340847432.5
n÷3
227231621.66667
n÷3
170423716.25
n÷5
136338973
n2
464707888967368225
n3
3.1678898163405E+26
n4
2.1595342206851E+35
n5
1.4721433890328E+44
2 √n26109.286949283
3 √n880.09591972691
4 √n161.58368404416
5 √n58.44104923245
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
-681694864 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 681694865 can be divided by 4 positive divisors.
The sum of these divisors (counting 681694865) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000101000011101011010010001
3
Ternary
1202111201200112222
4
Quaternary
220220131122101
5
Quinary
2344003213430
6
Senary
151351030425
8
Octal
5050353221
10
Decimal
681694865
12
Duodecimal
17036b415
16
Hexadecimal
28a1d691
20
Vigesimal
ad0bh35
36
Base36
b9v34h
md5
e2fb589165586d328da9074b5e13d0db
sha1
1b32c46c1d64922f784087fac758713b709ba0ca
sha256
4ed9e334c471c01504cdd0292ae3274f4e2704f6c57010bf60a62f85f080787b
sha512
32a7c25d524f1ba8ace62daf0b5ac30d72b3e21ee8f64757683649e3cf050cc71f17fc313314269ec2c01c4d030c09eaa77d118478b1aefe50aafd39f379ae31
ripemd-160
7930dda603681f487e0921a49cd61b395c4cf0b1
Diameter
1363389730
Circumference
4283215159.7478
Area
1.4599228900451E+18
Volume
1.3269625832529E+27
Surface area
5.8396915601804E+18
Circumference
4283215159.7478
Perimeter
2726779460
Area
464707888967368225
Diagonal
964062123.4831
Surface area
2788247333804209350
Volume
3.1678898163405E+26
Space diagonal
1180730141.4388
Perimeter
2045084595
Area
2.0122441859239E+17
Altitude
590365070.7194
Surface area
2.0122441859239E+17
Volume
3.7333939519769E+25
Height
321354041.16103