689904 is an even 6-digits composite number following 689903
and preceding 689905 . In scientific notation, it is written as 6.89904 × 10^5.
The sum of its digits is 36. It has a total of 6 prime factors and 20 positive divisors.
There are 229824 positive integers (up to 689904) that are relatively prime to 689904.
689904 has 20 divisors, whose sum is 1387064
The reverse of 689904 is 409986
Previous prime number is 27
Is Prime? no
Number parity even
Number length 6
Sum of Digits 36
Digital Root 9
Name
six hundred eighty-nine thousand nine hundred four
Scientific notation
6.89904 × 10^5
Engineering notation
6.89904 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 27 × 1597
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
86238
Product of the distinct prime numbers
The prime factorization of 689904 is 2 × 2 × 2 × 2 × 27 × 1597.
Since it has a total of 6 prime factors.
10 , 3 , 62 , 64 , 958 , 78 , 9208 , 1231 , 72734 , 63622 , 937359 , 191376 , 6710998 , 5626569 , 48957776 , 65981290 , 394941330 , 860232088 , 4977690092 , 6058893119
n×2
1379808
n×3
2069712
n×4
2759616
n×5
3449520
n÷2
344952
n÷3
229968
n÷3
172476
n÷5
137980.8
n2
475967529216
n3
328371902276235264
n4
2.2654508886798E+23
n5
1.5629436299038E+29
2 √n
830.60459907227
3 √n
88.361460921072
4 √n
28.820211641698
5 √n
14.714914147148
1 , 2 , 4 , 8 , 16 , 27 , 54 , 108 , 216 , 432 , 1597 , 3194 , 6388 , 12776 , 25552 , 43119 , 86238 , 172476 , 344952 , 689904
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
-689903
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 689904 can be divided by 20 positive divisors.
The sum of these divisors (counting 689904) is 1, the average is 0.05.
Base
System
Value
2
Binary
10101000011011110000
3
Ternary
1022001101000
4
Quaternary
2220123300
5
Quinary
134034104
6
Senary
22442000
8
Octal
2503360
10
Decimal
689904
12
Duodecimal
293300
16
Hexadecimal
a86f0
20
Vigesimal
464f4
36
Base36
esc0
md5
2b636959d5767f962a859102db2f8fbe
sha1
74dc72b3a640ec6b1268bc1e480d07769d9dc10e
sha256
d7acd0858f9a2afcbe7911047ca1ae307d25039fd861673d27ac53e7fbff63bb
sha512
d93da04f625a209d40cb635033112387fc14c01fc4ca133fdc35e0ca6195cac03276e7815fca5b995df183be1e2789ffa150bcdafe0b3a6388a63ae935e483f8
ripemd-160
e17e8dca2ab9518548280d507337256256b4edc1
Diameter
1379808
Circumference
4334794.6761644
Area
1495296093132.3
Volume
1.3754810077818E+18
Surface area
5981184372529.1
Circumference
4334794.6761644
Perimeter
2759616
Area
475967529216
Diagonal
975671.59353545
Surface area
2855805175296
Volume
328371902276235264
Space diagonal
1194948.780345
Perimeter
2069712
Area
206099985838.78
Altitude
597474.3901725
Surface area
206099985838.78
Volume
3.8698999808442E+16
Height
325223.86451182