678839640 is an even 9-digits composite number following 678839639
and preceding 678839641 . In scientific notation, it is written as 6.78839640 × 10^8.
The sum of its digits is 51. It has a total of 5 prime factors and 16 positive divisors.
There are 181023872 positive integers (up to 678839640) that are relatively prime to 678839640.
678839640 has 16 divisors, whose sum is 1357679520
The reverse of 678839640 is 046938876
Previous prime number is 15
Is Prime? no
Number parity even
Number length 9
Sum of Digits 51
Digital Root 6
Name
six hundred seventy-eight million eight hundred thirty-nine thousand six hundred forty
Scientific notation
6.78839640 × 10^8
Engineering notation
6.78839640 × 10^6
Prime Factorization
2 × 2 × 2 × 15 × 5656997
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
169709910
Product of the distinct prime numbers
The prime factorization of 678839640 is 2 × 2 × 2 × 15 × 5656997.
Since it has a total of 5 prime factors.
5 , 6 , 20 , 36 , 558 , 986 , 1909 , 8171 , 70361 , 53541 , 224341 , 77827 , 8003579 , 2691914 , 46061253 , 56687301 , 419445955 , 933158275 , 4977481617 , 624128685
n×2
1357679280
n×3
2036518920
n×4
2715358560
n×5
3394198200
n÷2
339419820
n÷3
226279880
n÷3
169709910
n÷5
135767928
n2
460823256835329600
n3
3.1282509377372E+26
n4
2.1235807404032E+35
n5
1.4415707853262E+44
2 √n
26054.551233902
3 √n
878.86546286141
4 √n
161.41422252671
5 √n
58.392011865771
1 , 2 , 4 , 8 , 15 , 30 , 60 , 120 , 5656997 , 11313994 , 22627988 , 45255976 , 84854955 , 169709910 , 339419820 , 678839640
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-678839639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 678839640 can be divided by 16 positive divisors.
The sum of these divisors (counting 678839640) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000011101100100010101011000
3
Ternary
1202022100121220220
4
Quaternary
220131210111120
5
Quinary
2342240332030
6
Senary
151205520040
8
Octal
5035442530
10
Decimal
678839640
12
Duodecimal
16b413020
16
Hexadecimal
28764558
20
Vigesimal
ac2ej20
36
Base36
b85w0o
md5
e027eb39055ffac5f6cc8d7d02ae5aef
sha1
6c696c86cb24acfce7b4dab5c5d176ab067b2f98
sha256
37debb63652bcf8867f6f42c900952685b6a6cae85308b83571129a3890e3d07
sha512
60817204217ae5405c06a6ba4a37ebea893fa312e609aae09b93b1a99abcf421d34d0629a63193740270929fb96105cba9b7e834ef9831daa9f755d0b6e673b1
ripemd-160
76a27d9df99d5465ea200c683bf8061a1cffa03f
Diameter
1357679280
Circumference
4265275251.9791
Area
1.4477189582772E+18
Volume
1.3103586886108E+27
Surface area
5.7908758331088E+18
Circumference
4265275251.9791
Perimeter
2715358560
Area
460823256835329600
Diagonal
960024225.56447
Surface area
2764939541011977600
Volume
3.1282509377372E+26
Space diagonal
1175784746.6718
Perimeter
2036518920
Area
1.9954232353704E+17
Altitude
587892373.33588
Surface area
1.9954232353704E+17
Volume
3.6866790855453E+25
Height
320008075.18816