689984 is an even 6-digits composite number following 689983
and preceding 689985 . In scientific notation, it is written as 6.89984 × 10^5.
The sum of its digits is 44. It has a total of 7 prime factors and 14 positive divisors.
There are 344960 positive integers (up to 689984) that are relatively prime to 689984.
689984 has 14 divisors, whose sum is 1369314
The reverse of 689984 is 489986
Previous prime number is 2
Is Prime? no
Number parity even
Number length 6
Sum of Digits 44
Digital Root 8
Name
six hundred eighty-nine thousand nine hundred eighty-four
Scientific notation
6.89984 × 10^5
Engineering notation
6.89984 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 10781
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
21562
Product of the distinct prime numbers
The prime factorization of 689984 is 2 × 2 × 2 × 2 × 2 × 2 × 10781.
Since it has a total of 7 prime factors.
8 , 9 , 45 , 36 , 227 , 619 , 7273 , 4481 , 4520 , 68679 , 198559 , 724084 , 5929389 , 3097126 , 2634508 , 26060931 , 414213100 , 322547117 , 3318339585 , 2680976693
n×2
1379968
n×3
2069952
n×4
2759936
n×5
3449920
n÷2
344992
n÷3
229994.66666667
n÷3
172496
n÷5
137996.8
n2
476077920256
n3
328486147729915904
n4
2.2665018615528E+23
n5
1.5638500204416E+29
2 √n
830.65275536773
3 √n
88.364876199941
4 √n
28.821047090065
5 √n
14.715255394201
1 , 2 , 4 , 8 , 16 , 32 , 64 , 10781 , 21562 , 43124 , 86248 , 172496 , 344992 , 689984
14 divisors
τ
Total Divisors
14
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-689983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.071428571428571
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
14
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 689984 can be divided by 14 positive divisors.
The sum of these divisors (counting 689984) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
10101000011101000000
3
Ternary
1022001110222
4
Quaternary
2220131000
5
Quinary
134034414
6
Senary
22442212
8
Octal
2503500
10
Decimal
689984
12
Duodecimal
293368
16
Hexadecimal
a8740
20
Vigesimal
464j4
36
Base36
ese8
md5
dfd142d9c0c1a62ab445cf15a43f3798
sha1
854e55b38bcc2fa08451c4ddb93f99d79a8954bc
sha256
27ac0327629179fe0dcef12782f3576ce1c4ded57cb8fbbc9f14d24b7bd43df7
sha512
af29e986b310e3889bb6298b66a10eee52e6cfb3d50d46d9c1c7ea0c1bcd2032c350546f0f5f4a25d32a86316fe704dba1db0f2c94f3944cc5f32a7b5b4bf8d6
ripemd-160
d06ee68b101d41a2d3ff6b737ce988227695b372
Diameter
1379968
Circumference
4335297.330989
Area
1495642896812.6
Volume
1.3759595580191E+18
Surface area
5982571587250.2
Circumference
4335297.330989
Perimeter
2759936
Area
476077920256
Diagonal
975784.73062044
Surface area
2856467521536
Volume
328486147729915904
Space diagonal
1195087.3444096
Perimeter
2069952
Area
206147786561.28
Altitude
597543.6722048
Surface area
206147786561.28
Volume
3.8712463764278E+16
Height
325261.57687348