688331389 is an odd 9-digits composite number following 688331388
and preceding 688331390 . In scientific notation, it is written as 6.88331389 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 685745136 positive integers (up to 688331389) that are relatively prime to 688331389.
688331389 has 8 divisors, whose sum is 690923520
The reverse of 688331389 is 983133886
Previous prime number is 863
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
six hundred eighty-eight million three hundred thirty-one thousand three hundred eighty-nine
Scientific notation
6.88331389 × 10^8
Engineering notation
6.88331389 × 10^6
Prime Factorization
509 × 863 × 1567
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
688331389
Product of the distinct prime numbers
The prime factorization of 688331389 is 509 × 863 × 1567.
Since it has a total of 3 prime factors.
9 , 9 , 53 , 18 , 241 , 15 , 9484 , 8945 , 95359 , 15074 , 113552 , 58069 , 5399721 , 1487410 , 39530076 , 60754679 , 976743829 , 92499818 , 5261344964 , 8114340638
n×2
1376662778
n×3
2064994167
n×4
2753325556
n×5
3441656945
n÷2
344165694.5
n÷3
229443796.33333
n÷3
172082847.25
n÷5
137666277.8
n2
473800101082669321
n3
3.2613148168657E+26
n4
2.2448653578595E+35
n5
1.5452112898934E+44
2 √n
26236.070380299
3 √n
882.94270933906
4 √n
161.97552401613
5 √n
58.554397267438
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
-688331388
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 688331389 can be divided by 8 positive divisors.
The sum of these divisors (counting 688331389) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001000001110001101001111101
3
Ternary
1202222012212011011
4
Quaternary
221001301221331
5
Quinary
2402203101024
6
Senary
152145155221
8
Octal
5101615175
10
Decimal
688331389
12
Duodecimal
17262bb11
16
Hexadecimal
29071a7d
20
Vigesimal
af21899
36
Base36
bdtbwd
md5
0452d00e4d00d6f3a3371ccc0a60e577
sha1
8bf4a659db01c7ddf689530c488bcb0fac669b00
sha256
1f1a25141b1156fda5d1fd4a03a973d22aed592454048f6bbb22b5f39f95d474
sha512
04fabb93f5fac216bb501c20207f6f1d836e74371a150aceac2781c666accd3765f8583ce06ea813fd231b1f06aed109c07af07159269e1791c9889d6b81db12
ripemd-160
a9b6b566a6112d52f0c438014f91bc3d74abe60d
Diameter
1376662778
Circumference
4324913669.8353
Area
1.4884869168314E+18
Volume
1.3660963559612E+27
Surface area
5.9539476673257E+18
Circumference
4324913669.8353
Perimeter
2753325556
Area
473800101082669321
Diagonal
973447585.73091
Surface area
2842800606496015926
Volume
3.2613148168657E+26
Space diagonal
1192224938.1925
Perimeter
2064994167
Area
2.0516146192661E+17
Altitude
596112469.09623
Surface area
2.0516146192661E+17
Volume
3.8434963709832E+25
Height
324482528.57697