678742939 is an odd 9-digits composite number following 678742938
and preceding 678742940 . In scientific notation, it is written as 6.78742939 × 10^8.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 579215400 positive integers (up to 678742939) that are relatively prime to 678742939.
678742939 has 8 divisors, whose sum is 779125248
The reverse of 678742939 is 939247876
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred seventy-eight million seven hundred forty-two thousand nine hundred thirty-nine
Scientific notation
6.78742939 × 10^8
Engineering notation
6.78742939 × 10^6
Prime Factorization
7 × 227 × 427151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
678742939
Product of the distinct prime numbers
The prime factorization of 678742939 is 7 × 227 × 427151.
Since it has a total of 3 prime factors.
7 , 2 , 91 , 16 , 604 , 736 , 8349 , 8298 , 68498 , 84967 , 270498 , 82189 , 1437944 , 4999793 , 53335555 , 87023278 , 731580117 , 43128760 , 7573036640 , 5744201579
n×2
1357485878
n×3
2036228817
n×4
2714971756
n×5
3393714695
n÷2
339371469.5
n÷3
226247646.33333
n÷3
169685734.75
n÷5
135748587.8
n2
460691977242357721
n3
3.126914266072E+26
n4
2.1223709789547E+35
n5
1.440544315904E+44
2 √n
26052.695426769
3 √n
878.82372929139
4 √n
161.40847383818
5 √n
58.390348177507
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
-678742938
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 678742939 can be divided by 8 positive divisors.
The sum of these divisors (counting 678742939) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000011101001100101110011011
3
Ternary
1202022011201021101
4
Quaternary
220131030232123
5
Quinary
2342224233224
6
Senary
151203452231
8
Octal
5035145633
10
Decimal
678742939
12
Duodecimal
16b387077
16
Hexadecimal
2874cb9b
20
Vigesimal
ac22h6j
36
Base36
b83tej
md5
f2e52f71c9894316d02c7869ecac418b
sha1
9cac4782dc8df7a4dff9a571a9018b02950e9b32
sha256
4a4ad758ec50bafbe615380c4b482c3553deb2581742cc88391b9af9334e5476
sha512
2304f99fe0a2889583ce4c54672372413657ac85d396b336a95fc2f321db61da4402da5c3511f756e05d64a0c2737c033c5ec6b4d85c3968e87f62c4fb22affd
ripemd-160
bbad7396dd9f5b250328fb93ea9d4d8ddbdc3e57
Diameter
1357485878
Circumference
4264667661.6767
Area
1.4473065312723E+18
Volume
1.3097987848929E+27
Surface area
5.7892261250894E+18
Circumference
4264667661.6767
Perimeter
2714971756
Area
460691977242357721
Diagonal
959887469.69877
Surface area
2764151863454146326
Volume
3.126914266072E+26
Space diagonal
1175617255.6266
Perimeter
2036228817
Area
1.9948547780578E+17
Altitude
587808627.81331
Surface area
1.9948547780578E+17
Volume
3.6851038028808E+25
Height
319962489.89959