681608 is an even 6-digits composite number following 681607
and preceding 681609 . In scientific notation, it is written as 6.81608 × 10^5.
The sum of its digits is 29. It has a total of 4 prime factors and 8 positive divisors.
There are 340800 positive integers (up to 681608) that are relatively prime to 681608.
681608 has 8 divisors, whose sum is 1278030
The reverse of 681608 is 806186
Previous prime number is 2
Is Prime? no
Number parity even
Number length 6
Sum of Digits 29
Digital Root 2
Name
six hundred eighty-one thousand six hundred eight
Scientific notation
6.81608 × 10^5
Engineering notation
6.81608 × 10^3
Prime Factorization
2 × 2 × 2 × 85201
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
170402
Product of the distinct prime numbers
The prime factorization of 681608 is 2 × 2 × 2 × 85201.
Since it has a total of 4 prime factors.
6 , 1 , 71 , 77 , 396 , 157 , 7853 , 5143 , 46024 , 84552 , 181740 , 737399 , 4272688 , 2410000 , 34918201 , 72062955 , 293750377 , 611955470 , 81633488 , 4950515345
n×2
1363216
n×3
2044824
n×4
2726432
n×5
3408040
n÷2
340804
n÷3
227202.66666667
n÷3
170402
n÷5
136321.6
n2
464589465664
n3
316667896512307712
n4
2.1584337160596E+23
n5
1.471205688336E+29
2 √n
825.59554262363
3 √n
88.00585360511
4 √n
28.733178428841
5 √n
14.679353728946
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
-681607
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 681608 can be divided by 8 positive divisors.
The sum of these divisors (counting 681608) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100110011010001000
3
Ternary
1021121222202
4
Quaternary
2212122020
5
Quinary
133302413
6
Senary
22335332
8
Octal
2463210
10
Decimal
681608
12
Duodecimal
28a548
16
Hexadecimal
a6688
20
Vigesimal
45408
36
Base36
elxk
md5
b29bfa96635f2195a4e58c416f1d11c6
sha1
e5b5bb349e07b69c86ed01ce1bb00a88c23c5f24
sha256
56a22ad3854f64bca2700a8d3b30c3adbe216213f542f2d5e99647b7dfbcf577
sha512
ebd80f242ef1abb60836ba0b67f46b9c3deaa82830710131f08a59e5eb50a8ad7fd44b3db87caf8c54e4377f1dd0636070cac05546f922afc8017872900adfe0
ripemd-160
415ef734962b51a2887f56434925edc916f27c64
Diameter
1363216
Circumference
4282669.3708561
Area
1459550852265.2
Volume
1.3264553830811E+18
Surface area
5838203409060.9
Circumference
4282669.3708561
Perimeter
2726432
Area
464589465664
Diagonal
963939.277822
Surface area
2787536793984
Volume
316667896512307712
Space diagonal
1180579.6868454
Perimeter
2044824
Area
201173139797.83
Altitude
590289.8434227
Surface area
201173139797.83
Volume
3.7319669501322E+16
Height
321313.09260733