688996931 is an odd 9-digits composite number following 688996930
and preceding 688996932 . In scientific notation, it is written as 6.88996931 × 10^8.
The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors.
There are 590568792 positive integers (up to 688996931) that are relatively prime to 688996931.
688996931 has 4 divisors, whose sum is 787425072
The reverse of 688996931 is 139699886
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 59
Digital Root 5
Name
six hundred eighty-eight million nine hundred ninety-six thousand nine hundred thirty-one
Scientific notation
6.88996931 × 10^8
Engineering notation
6.88996931 × 10^6
Prime Factorization
7 × 98428133
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
688996931
Product of the distinct prime numbers
The prime factorization of 688996931 is 7 × 98428133.
Since it has a total of 2 prime factors.
6 , 9 , 24 , 26 , 665 , 138 , 8813 , 16 , 48573 , 7090 , 406506 , 897835 , 7895882 , 3191506 , 8366001 , 91652596 , 668690872 , 165815456 , 6802848717 , 1181006598
n×2
1377993862
n×3
2066990793
n×4
2755987724
n×5
3444984655
n÷2
344498465.5
n÷3
229665643.66667
n÷3
172249232.75
n÷5
137799386.2
n2
474716770927418761
n3
3.2707839826322E+26
n4
2.2535601259976E+35
n5
1.5526960106363E+44
2 √n
26248.751036954
3 √n
883.22718770438
4 √n
162.01466303071
5 √n
58.565716044398
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
-688996930
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 688996931 can be divided by 4 positive divisors.
The sum of these divisors (counting 688996931) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001000100010100001001000011
3
Ternary
1210000110200002212
4
Quaternary
221010110021003
5
Quinary
2402340400211
6
Senary
152211332335
8
Octal
5104241103
10
Decimal
688996931
12
Duodecimal
1728b10ab
16
Hexadecimal
29114243
20
Vigesimal
af64c6b
36
Base36
be7lfn
md5
f21459986a0c5b2cab92e7e225031379
sha1
a5d3963e3d363439c7a30229dca1836b25e6dd92
sha256
b0337ef526f6f7b4687d3cf7a8b2f771637f5351e26f7f9d9f2c238bbd784cca
sha512
b39f65d817109c1306ced8a1c579aa5c98008657ff523cac32e8d745c5e5a9114293bd8d5db11e487d3f006664b8a67f95182d34d0c7f1a490f3cda6693e9c18
ripemd-160
fcdc7780a924ae7a1cbe3438530bc6a95797072d
Diameter
1377993862
Circumference
4329095393.551
Area
1.4913667200814E+18
Volume
1.3700627908422E+27
Surface area
5.9654668803258E+18
Circumference
4329095393.551
Perimeter
2755987724
Area
474716770927418761
Diagonal
974388804.25364
Surface area
2848300625564512566
Volume
3.2707839826322E+26
Space diagonal
1193377690.751
Perimeter
2066990793
Area
2.0555839161283E+17
Altitude
596688845.37551
Surface area
2.0555839161283E+17
Volume
3.8546558898593E+25
Height
324796268.08455