689968 is an even 6-digits composite number following 689967
and preceding 689969 . In scientific notation, it is written as 6.89968 × 10^5.
The sum of its digits is 46. It has a total of 6 prime factors and 20 positive divisors.
There are 332864 positive integers (up to 689968) that are relatively prime to 689968.
689968 has 20 divisors, whose sum is 1383840
The reverse of 689968 is 869986
Previous prime number is 29
Is Prime? no
Number parity even
Number length 6
Sum of Digits 46
Digital Root 1
Name
six hundred eighty-nine thousand nine hundred sixty-eight
Scientific notation
6.89968 × 10^5
Engineering notation
6.89968 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 29 × 1487
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
86246
Product of the distinct prime numbers
The prime factorization of 689968 is 2 × 2 × 2 × 2 × 29 × 1487.
Since it has a total of 6 prime factors.
8 , 9 , 70 , 37 , 857 , 438 , 8764 , 6895 , 29292 , 77838 , 269879 , 194071 , 2962974 , 1854822 , 48900578 , 48138232 , 704395095 , 831843667 , 1322193187 , 283889701
n×2
1379936
n×3
2069904
n×4
2759872
n×5
3449840
n÷2
344984
n÷3
229989.33333333
n÷3
172492
n÷5
137993.6
n2
476055841024
n3
328463296519647232
n4
2.2662916377307E+23
n5
1.5636687087018E+29
2 √n
830.64312433198
3 √n
88.364193165288
4 √n
28.820880006204
5 √n
14.715187147323
1 , 2 , 4 , 8 , 16 , 29 , 58 , 116 , 232 , 464 , 1487 , 2974 , 5948 , 11896 , 23792 , 43123 , 86246 , 172492 , 344984 , 689968
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-689967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 689968 can be divided by 20 positive divisors.
The sum of these divisors (counting 689968) is 1, the average is 0.05.
Base
System
Value
2
Binary
10101000011100110000
3
Ternary
1022001110101
4
Quaternary
2220130300
5
Quinary
134034333
6
Senary
22442144
8
Octal
2503460
10
Decimal
689968
12
Duodecimal
293354
16
Hexadecimal
a8730
20
Vigesimal
464i8
36
Base36
esds
md5
cfdaff72904f44ee3b7b020cbd6339a6
sha1
84a6c5d29c368c5dd270cc2fbf409e2e7c71ca48
sha256
eea8ebe5c5d09f5bd3094ac5b15a7bb497ad0a15fb69048d9372a2fa8ee5b422
sha512
03fa455a1e6090cd27cf4db7a72ea36442d20083bc813c8627a31cf85ed88d85bec4e2285fc6d471751882c5f1c8b00b27706aaff1e5e95b1315b6d6015b9436
ripemd-160
d0c8a127d4efe69cc8df9a39954df3261e24480c
Diameter
1379936
Circumference
4335196.8000241
Area
1495573532859.5
Volume
1.3758638390933E+18
Surface area
5982294131438
Circumference
4335196.8000241
Perimeter
2759872
Area
476055841024
Diagonal
975762.10320344
Surface area
2856335046144
Volume
328463296519647232
Space diagonal
1195059.6315967
Perimeter
2069904
Area
206138225973.38
Altitude
597529.81579834
Surface area
206138225973.38
Volume
3.8709770723322E+16
Height
325254.03440115