681925 is an odd 6-digits composite number following 681924
and preceding 681926 . In scientific notation, it is written as 6.81925 × 10^5.
The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors.
There are 545520 positive integers (up to 681925) that are relatively prime to 681925.
681925 has 6 divisors, whose sum is 845618
The reverse of 681925 is 529186
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 31
Digital Root 4
Name
six hundred eighty-one thousand nine hundred twenty-five
Scientific notation
6.81925 × 10^5
Engineering notation
6.81925 × 10^3
Prime Factorization
5 × 5 × 27277
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
136385
Product of the distinct prime numbers
The prime factorization of 681925 is 5 × 5 × 27277.
Since it has a total of 3 prime factors.
9 , 6 , 93 , 16 , 279 , 225 , 7776 , 479 , 93341 , 44395 , 775840 , 768678 , 7368034 , 5197117 , 34181067 , 41986897 , 720795344 , 401895921 , 3419583116 , 6248604939
n×2
1363850
n×3
2045775
n×4
2727700
n×5
3409625
n÷2
340962.5
n÷3
227308.33333333
n÷3
170481.25
n÷5
136385
n2
465021705625
n3
317109926608328125
n4
2.1624518670238E+23
n5
1.4746299894202E+29
2 √n
825.78750293281
3 √n
88.019494647972
4 √n
28.736518629312
5 √n
14.68071888009
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-681924
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 681925 can be divided by 6 positive divisors.
The sum of these divisors (counting 681925) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
10100110011111000101
3
Ternary
1021122102111
4
Quaternary
2212133011
5
Quinary
133310200
6
Senary
22341021
8
Octal
2463705
10
Decimal
681925
12
Duodecimal
28a771
16
Hexadecimal
a67c5
20
Vigesimal
454g5
36
Base36
em6d
md5
d783de90059883ea24e92047fa572785
sha1
3932becb863fd288760c230f84043ea244797819
sha256
95454bc67630eb3ad485bde40e510bc1f4d0af77c5da38f5e20b116c2feac279
sha512
5e4d86be501d6ef992deffc255e870b698c8b79efa92cac4ac06f3b04b583a670ba62ae739c0c4aec420a2fc2feb7aa535e7c30502b0f266ae566968a34d6413
ripemd-160
08d3d436b15f1eccff0a3b1c1573034f8444f70f
Diameter
1363850
Circumference
4284661.1405984
Area
1460908774151.3
Volume
1.3283069544175E+18
Surface area
5843635096605.2
Circumference
4284661.1405984
Perimeter
2727700
Area
465021705625
Diagonal
964387.58352127
Surface area
2790130233750
Volume
317109926608328125
Space diagonal
1181128.7469514
Perimeter
2045775
Area
201360305191.21
Altitude
590564.3734757
Surface area
201360305191.21
Volume
3.737176324772E+16
Height
321462.52784042