681723909 is an odd 9-digits composite number following 681723908
and preceding 681723910 . In scientific notation, it is written as 6.81723909 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 436695840 positive integers (up to 681723909) that are relatively prime to 681723909.
681723909 has 16 divisors, whose sum is 787368000
The reverse of 681723909 is 909327186
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
six hundred eighty-one million seven hundred twenty-three thousand nine hundred nine
Scientific notation
6.81723909 × 10^8
Engineering notation
6.81723909 × 10^6
Prime Factorization
9 × 29 × 211 × 12379
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
681723909
Product of the distinct prime numbers
The prime factorization of 681723909 is 9 × 29 × 211 × 12379.
Since it has a total of 4 prime factors.
10 , 7 , 3 , 63 , 885 , 374 , 289 , 5012 , 85232 , 49901 , 128279 , 775194 , 6321123 , 1257348 , 7527146 , 50396364 , 685169726 , 599535016 , 7785945843 , 574453193
n×2
1363447818
n×3
2045171727
n×4
2726895636
n×5
3408619545
n÷2
340861954.5
n÷3
227241303
n÷3
170430977.25
n÷5
136344781.8
n2
464747488102240281
n3
3.1682947428699E+26
n4
2.1599022769734E+35
n5
1.4724570233163E+44
2 √n
26109.843143918
3 √n
880.10841854624
4 √n
161.585405108
5 √n
58.441547206835
1 , 9 , 29 , 211 , 261 , 1899 , 6119 , 12379 , 55071 , 111411 , 358991 , 2611969 , 3230919 , 23507721 , 75747101 , 681723909
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-681723908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 681723909 can be divided by 16 positive divisors.
The sum of these divisors (counting 681723909) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000101000100100100000000101
3
Ternary
1202111210011101200
4
Quaternary
220220210200011
5
Quinary
2344010131114
6
Senary
151351413113
8
Octal
5050444005
10
Decimal
681723909
12
Duodecimal
170384199
16
Hexadecimal
28a24805
20
Vigesimal
ad0f9f9
36
Base36
b9vpj9
md5
94f0fac34e9f572c4def92ce10eed807
sha1
391a52b8256458d047de834a6c28bb59d9f013d1
sha256
a8deaa3e156eb8b70d51e4cfccb210ba6fd52f5b9a9778a9064f205569c1dcc1
sha512
c3aa273de83128e7696a140f908b02522c40ea2ebb2ef520c27e8ca3fc6257dd43c3c88e6603bbf03b294738408ac670201e975d9e93d14218dabf29cacf414e
ripemd-160
a36acc8d0b81841e7687aab6e73a3c104801bba9
Diameter
1363447818
Circumference
4283397648.5818
Area
1.4600472943963E+18
Volume
1.327132198481E+27
Surface area
5.8401891775852E+18
Circumference
4283397648.5818
Perimeter
2726895636
Area
464747488102240281
Diagonal
964103197.9018
Surface area
2788484928613441686
Volume
3.1682947428699E+26
Space diagonal
1180780447.1225
Perimeter
2045171727
Area
2.0124156552077E+17
Altitude
590390223.56123
Surface area
2.0124156552077E+17
Volume
3.7338711624683E+25
Height
321367732.63393