678742869 is an odd 9-digits composite number following 678742868
and preceding 678742870 . In scientific notation, it is written as 6.78742869 × 10^8.
The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors.
There are 387853056 positive integers (up to 678742869) that are relatively prime to 678742869.
678742869 has 4 divisors, whose sum is 711063980
The reverse of 678742869 is 968247876
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
six hundred seventy-eight million seven hundred forty-two thousand eight hundred sixty-nine
Scientific notation
6.78742869 × 10^8
Engineering notation
6.78742869 × 10^6
Prime Factorization
21 × 32321089
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
678742869
Product of the distinct prime numbers
The prime factorization of 678742869 is 21 × 32321089.
Since it has a total of 2 prime factors.
2 , 8 , 44 , 52 , 994 , 84 , 3824 , 8278 , 98912 , 70376 , 944806 , 918938 , 9926186 , 8555537 , 70110753 , 58892885 , 852035038 , 228090877 , 33468072 , 6407065700
n×2
1357485738
n×3
2036228607
n×4
2714971476
n×5
3393714345
n÷2
339371434.5
n÷3
226247623
n÷3
169685717.25
n÷5
135748573.8
n2
460691882218351161
n3
3.1269132986189E+26
n4
2.1223701034189E+35
n5
1.4405435730744E+44
2 √n
26052.694083338
3 √n
878.82369907983
4 √n
161.40846967659
5 √n
58.390346973127
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-678742868
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 678742869 can be divided by 4 positive divisors.
The sum of these divisors (counting 678742869) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000011101001100101101010101
3
Ternary
1202022011201011210
4
Quaternary
220131030231111
5
Quinary
2342224232434
6
Senary
151203452033
8
Octal
5035145525
10
Decimal
678742869
12
Duodecimal
16b387019
16
Hexadecimal
2874cb55
20
Vigesimal
ac22h39
36
Base36
b83tcl
md5
26a5d66f6a35c4e21778de6d1c6816c5
sha1
132a537168f810ac0b838f1acd5155562cccdfbb
sha256
895ad51c54a8fb1f905da1564e8fb869b3b8b181a17be2df154dc42225e44ae7
sha512
9b02547dff24455ed5f9c631b91cb11b41582817b4e6a2f2e87629e8199cac9d342cd02b469a09b81b19b8558c2df438a627861bd1f440f104807957fa0d7266
ripemd-160
9e1311b4b6d38db2eaf438b3bd9ce19eaec659df
Diameter
1357485738
Circumference
4264667221.8537
Area
1.4473062327456E+18
Volume
1.3097983796471E+27
Surface area
5.7892249309825E+18
Circumference
4264667221.8537
Perimeter
2714971476
Area
460691882218351161
Diagonal
959887370.70382
Surface area
2764151293310106966
Volume
3.1269132986189E+26
Space diagonal
1175617134.3831
Perimeter
2036228607
Area
1.9948543665918E+17
Altitude
587808567.19153
Surface area
1.9948543665918E+17
Volume
3.6851026627264E+25
Height
319962456.90128