685996831 is an odd 9-digits composite number following 685996830
and preceding 685996832 . In scientific notation, it is written as 6.85996831 × 10^8.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 628670592 positive integers (up to 685996831) that are relatively prime to 685996831.
685996831 has 8 divisors, whose sum is 744082640
The reverse of 685996831 is 138699586
Previous prime number is 139
Is Prime? no Number parity odd Number length 9 Sum of Digits 55 Digital Root 1
Name
six hundred eighty-five million nine hundred ninety-six thousand eight hundred thirty-one
Scientific notation
6.85996831 × 10^8
Engineering notation
6.85996831 × 10^6
Prime Factorization
13 × 139 × 379633
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
685996831 Product of the distinct prime numbers
The prime factorization of 685996831 is 13 × 139 × 379633.
Since it has a total of 3 prime factors.
6 , 3 , 92 , 62 , 622 , 206 , 8286 , 6014 , 41864 , 76935 , 615007 , 996469 , 4505719 , 1073089 , 2276989 , 93284241 , 496107584 , 493797435 , 8760598531 , 1943942644
n×2
1371993662
n×3
2057990493
n×4
2743987324
n×5
3429984155
n÷2
342998415.5
n÷3
228665610.33333
n÷3
171499207.75
n÷5
137199366.2
n2
470591652142042561
n3
3.228243820645E+26
n4
2.2145650306578E+35
n5
1.5191845930746E+44
2 √n26191.541210857
3 √n881.94337686656
4 √n161.83800916613
5 √n58.514624428673
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
-685996830 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 685996831 can be divided by 8 positive divisors.
The sum of these divisors (counting 685996831) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000111000110111101100011111
3
Ternary
1202210211020202001
4
Quaternary
220320313230133
5
Quinary
2401103344311
6
Senary
152023143131
8
Octal
5070675437
10
Decimal
685996831
12
Duodecimal
1718a4aa7
16
Hexadecimal
28e37b1f
20
Vigesimal
ae79c1b
36
Base36
bcfajj
md5
9d3712e4db11318e46ff1a8df2c5b7e8
sha1
6ebc8c58770bc5801ec6ff6d088e80fc56633f55
sha256
09e3c4c3effbf2d5dad3a1ad888bd08b7415b359f892857216fe4a768488747a
sha512
5c6a00efc53068edb39c91ffc6e2a945d2ed401fc5d8e73d3ec468e079934afb5cf5804c824241949a093d9f99ed86fee77a287d86e112f6d17b64208b9c67d9
ripemd-160
7e6808ba0dfac340815ce8e36b29c14d7111c3fa
Diameter
1371993662
Circumference
4310245209.311
Area
1.4784072772101E+18
Volume
1.352243609458E+27
Surface area
5.9136291088405E+18
Circumference
4310245209.311
Perimeter
2743987324
Area
470591652142042561
Diagonal
970146022.14516
Surface area
2823549912852255366
Volume
3.228243820645E+26
Space diagonal
1188181365.1232
Perimeter
2057990493
Area
2.0377216278195E+17
Altitude
594090682.56162
Surface area
2.0377216278195E+17
Volume
3.8045218281694E+25
Height
323382007.38172