678742949 is an odd 9-digits composite number following 678742948
and preceding 678742950 . In scientific notation, it is written as 6.78742949 × 10^8.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 648725440 positive integers (up to 678742949) that are relatively prime to 678742949.
678742949 has 8 divisors, whose sum is 708806592
The reverse of 678742949 is 949247876
Previous prime number is 1361
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
six hundred seventy-eight million seven hundred forty-two thousand nine hundred forty-nine
Scientific notation
6.78742949 × 10^8
Engineering notation
6.78742949 × 10^6
Prime Factorization
23 × 1361 × 21683
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
678742949
Product of the distinct prime numbers
The prime factorization of 678742949 is 23 × 1361 × 21683.
Since it has a total of 3 prime factors.
8 , 6 , 71 , 23 , 31 , 278 , 1834 , 74 , 20003 , 20371 , 905315 , 633175 , 2200713 , 8526084 , 71603287 , 8328380 , 523992387 , 442068180 , 1974415795 , 9996860036
n×2
1357485898
n×3
2036228847
n×4
2714971796
n×5
3393714745
n÷2
339371474.5
n÷3
226247649.66667
n÷3
169685737.25
n÷5
135748589.8
n2
460691990817216601
n3
3.1269144042796E+26
n4
2.1223711040313E+35
n5
1.4405444220226E+44
2 √n
26052.695618688
3 √n
878.82373360733
4 √n
161.40847443269
5 √n
58.390348349562
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
-678742948
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 678742949 can be divided by 8 positive divisors.
The sum of these divisors (counting 678742949) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000011101001100101110100101
3
Ternary
1202022011201021202
4
Quaternary
220131030232211
5
Quinary
2342224233244
6
Senary
151203452245
8
Octal
5035145645
10
Decimal
678742949
12
Duodecimal
16b387085
16
Hexadecimal
2874cba5
20
Vigesimal
ac22h79
36
Base36
b83tet
md5
6224a32f63fe6c21ebfd9e091f00800f
sha1
cd2a60b51d697301eba5317616d4fac7a25d5887
sha256
b676a0eef6088a1a183741944f3db743a163386d7ec3689350c25bfbfc87712e
sha512
fb86c709399f3650a262232d07a4e778b4af27ce74702152ba7fe033b3eafdf28ac94f6a6dcb3d93e738ce0642f387078efe50cf0b4011e4a949c510ca04043e
ripemd-160
51c2a1ad8ec68233e9d1b10fa1373a152c5f6248
Diameter
1357485898
Circumference
4264667724.5085
Area
1.447306573919E+18
Volume
1.3097988427852E+27
Surface area
5.7892262956761E+18
Circumference
4264667724.5085
Perimeter
2714971796
Area
460691990817216601
Diagonal
959887483.84091
Surface area
2764151944903299606
Volume
3.1269144042796E+26
Space diagonal
1175617272.9471
Perimeter
2036228847
Area
1.9948548368387E+17
Altitude
587808636.47357
Surface area
1.9948548368387E+17
Volume
3.68510396576E+25
Height
319962494.61364