678742561 is an odd 9-digits composite number following 678742560
and preceding 678742562 . In scientific notation, it is written as 6.78742561 × 10^8.
The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors.
There are 546215040 positive integers (up to 678742561) that are relatively prime to 678742561.
678742561 has 24 divisors, whose sum is 838053216
The reverse of 678742561 is 165247876
Previous prime number is 571
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred seventy-eight million seven hundred forty-two thousand five hundred sixty-one
Scientific notation
6.78742561 × 10^8
Engineering notation
6.78742561 × 10^6
Prime Factorization
7 × 7 × 17 × 571 × 1427
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
96963223
Product of the distinct prime numbers
The prime factorization of 678742561 is 7 × 7 × 17 × 571 × 1427.
Since it has a total of 5 prime factors.
10 , 4 , 20 , 12 , 164 , 805 , 5728 , 9685 , 38914 , 96031 , 878531 , 412331 , 8635936 , 3792022 , 50956898 , 29281228 , 989225444 , 526022684 , 1596323170 , 9845098329
n×2
1357485122
n×3
2036227683
n×4
2714970244
n×5
3393712805
n÷2
339371280.5
n÷3
226247520.33333
n÷3
169685640.25
n÷5
135748512.2
n2
460691464112838721
n3
3.1269090418279E+26
n4
2.1223662510643E+35
n5
1.4405403046274E+44
2 √n
26052.68817224
3 √n
878.82356614891
4 √n
161.4084513656
5 √n
58.39034167385
1 , 7 , 17 , 49 , 119 , 571 , 833 , 1427 , 3997 , 9707 , 9989 , 24259 , 27979 , 67949 , 69923 , 169813 , 475643 , 814817 , 1188691 , 5703719 , 13851889 , 39926033 , 96963223 , 678742561
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-678742560
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 678742561 can be divided by 24 positive divisors.
The sum of these divisors (counting 678742561) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101000011101001100101000100001
3
Ternary
1202022011200202101
4
Quaternary
220131030220201
5
Quinary
2342224230221
6
Senary
151203450401
8
Octal
5035145041
10
Decimal
678742561
12
Duodecimal
16b386a01
16
Hexadecimal
2874ca21
20
Vigesimal
ac22g81
36
Base36
b83t41
md5
7245a453d62203594cf4e66e5dff2310
sha1
6a71950785eeb88a78ea8e1c0c03d4a85dd1bb87
sha256
b570c227ce7be2226d59719b48b736f3030128dd90a0c9dd09f36afdab58fa81
sha512
45834eb2f820de2c5c7f10e5a423e69368fb6dcc754bd3aadf1d98ca07ae5459d19d6d622adf6ae059bbdc18eec2b009ccf6a2fb507b7d4810b8638ec35ac76c
ripemd-160
b5910c03226e5af58a9cd836e574c07afa122a1f
Diameter
1357485122
Circumference
4264665286.6326
Area
1.4473049192284E+18
Volume
1.3097965965667E+27
Surface area
5.7892196769137E+18
Circumference
4264665286.6326
Perimeter
2714970244
Area
460691464112838721
Diagonal
959886935.12605
Surface area
2764148784677032326
Volume
3.1269090418279E+26
Space diagonal
1175616600.9114
Perimeter
2036227683
Area
1.9948525561418E+17
Altitude
587808300.45571
Surface area
1.9948525561418E+17
Volume
3.68509764605E+25
Height
319962311.70868