681661528 is an even 9-digits composite number following 681661527
and preceding 681661529 . In scientific notation, it is written as 6.81661528 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 8 positive divisors.
There are 340830760 positive integers (up to 681661528) that are relatively prime to 681661528.
681661528 has 8 divisors, whose sum is 1278115380
The reverse of 681661528 is 825166186
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
six hundred eighty-one million six hundred sixty-one thousand five hundred twenty-eight
Scientific notation
6.81661528 × 10^8
Engineering notation
6.81661528 × 10^6
Prime Factorization
2 × 2 × 2 × 85207691
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
170415382
Product of the distinct prime numbers
The prime factorization of 681661528 is 2 × 2 × 2 × 85207691.
Since it has a total of 4 prime factors.
1 , 4 , 22 , 24 , 477 , 864 , 7727 , 438 , 22766 , 1805 , 4653 , 602019 , 4928964 , 1263574 , 10608114 , 51374452 , 546945959 , 735738474 , 5162466281 , 9783755317
n×2
1363323056
n×3
2044984584
n×4
2726646112
n×5
3408307640
n÷2
340830764
n÷3
227220509.33333
n÷3
170415382
n÷5
136332305.6
n2
464662438755294784
n3
3.1674250800614E+26
n4
2.1591118199002E+35
n5
1.471783462276E+44
2 √n
26108.648528792
3 √n
880.08157301674
4 √n
161.5817085217
5 √n
58.440477631439
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
-681661527
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 681661528 can be divided by 8 positive divisors.
The sum of these divisors (counting 681661528) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000101000010101010001011000
3
Ternary
1202111122222211021
4
Quaternary
220220111101120
5
Quinary
2344001132103
6
Senary
151350212224
8
Octal
5050252130
10
Decimal
681661528
12
Duodecimal
170354074
16
Hexadecimal
28a15458
20
Vigesimal
ad07dg8
36
Base36
b9udeg
md5
9858dbbfa2367e0296ea4accc9d3ffd5
sha1
3e34323b2ad2d164cdd2da5a1388c668f42b5a7e
sha256
398b19618d6e752406101be202c0939a6d53b824e460963f2f2d63b1083e72af
sha512
bbaf87d8d80dcdf368666212a12b988ea154b75f9e634c0b270b6523aebc0c59367af777c7222ab7f0a2053032bb3d12014c80936181d77cc68deaa5360d3a58
ripemd-160
8d69fb1e642c9b8931d09def9ffaf1b9f8df1e01
Diameter
1363323056
Circumference
4283005697.1992
Area
1.4597801039928E+18
Volume
1.3267679149756E+27
Surface area
5.839120415971E+18
Circumference
4283005697.1992
Perimeter
2726646112
Area
464662438755294784
Diagonal
964014977.84557
Surface area
2787974632531768704
Volume
3.1674250800614E+26
Space diagonal
1180672400.061
Perimeter
2044984584
Area
2.0120473807326E+17
Altitude
590336200.03052
Surface area
2.0120473807326E+17
Volume
3.7328462550196E+25
Height
321338325.94852