678989845 is an odd 9-digits composite number following 678989844
and preceding 678989846 . In scientific notation, it is written as 6.78989845 × 10^8.
The sum of its digits is 64. It has a total of 2 prime factors and 4 positive divisors.
There are 543191872 positive integers (up to 678989845) that are relatively prime to 678989845.
678989845 has 4 divisors, whose sum is 814787820
The reverse of 678989845 is 548989876
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 64
Digital Root 1
Name
six hundred seventy-eight million nine hundred eighty-nine thousand eight hundred forty-five
Scientific notation
6.78989845 × 10^8
Engineering notation
6.78989845 × 10^6
Prime Factorization
5 × 135797969
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
678989845
Product of the distinct prime numbers
The prime factorization of 678989845 is 5 × 135797969.
Since it has a total of 2 prime factors.
6 , 7 , 16 , 20 , 625 , 399 , 5864 , 6979 , 69447 , 51501 , 173694 , 855191 , 1301193 , 6621319 , 47906409 , 32638940 , 439311987 , 774402710 , 5758989604 , 4157567579
n×2
1357979690
n×3
2036969535
n×4
2715959380
n×5
3394949225
n÷2
339494922.5
n÷3
226329948.33333
n÷3
169747461.25
n÷5
135797969
n2
461027209613124025
n3
3.13032793596E+26
n4
2.1254608800366E+35
n5
1.4431663534896E+44
2 √n
26057.433584296
3 √n
878.93027947089
4 √n
161.42315070738
5 √n
58.394595685411
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
-678989844
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 678989845 can be divided by 4 positive divisors.
The sum of these divisors (counting 678989845) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000011110001001000000010101
3
Ternary
1202022122020222001
4
Quaternary
220132021000111
5
Quinary
2342310133340
6
Senary
151213035301
8
Octal
5036110025
10
Decimal
678989845
12
Duodecimal
16b485b31
16
Hexadecimal
28789015
20
Vigesimal
ac3dec5
36
Base36
b893x1
md5
3d5d5ed256ca041d5889bb3c2b92582e
sha1
0e83ebc1f4d27ded10e50771db0ff985f04daa51
sha256
5b7f4dc9ab955a514a2d2c34ed4e502dff67083ad34f59aeb57652e7da5fa94e
sha512
e8ef0f85c841d7cc44b62bd549b5bff7c0507319bc43a3b56a2edf6e2e8777c01a3dae6de07a11319aae8baca63fb1815dd5b923c01b38c82adc741f73607166
ripemd-160
770ffbe0ac6b76059b3aa19180bdbf437c305702
Diameter
1357979690
Circumference
4266219017.8281
Area
1.4483596948256E+18
Volume
1.3112286995918E+27
Surface area
5.7934387793024E+18
Circumference
4266219017.8281
Perimeter
2715959380
Area
461027209613124025
Diagonal
960236647.51261
Surface area
2766163257678744150
Volume
3.13032793596E+26
Space diagonal
1176044909.3633
Perimeter
2036969535
Area
1.9963063768041E+17
Altitude
588022454.68166
Surface area
1.9963063768041E+17
Volume
3.689126851425E+25
Height
320078882.5042