666989 is an odd 6-digits prime number following 666988
and preceding 666990 . In scientific notation, it is written as 6.66989 × 10^5.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 666988 positive integers (up to 666989) that are relatively prime to 666989.
666989 has 2 divisors, whose sum is 666990
The reverse of 666989 is 989666
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 6
Sum of Digits 44
Digital Root 8
Name
six hundred sixty-six thousand nine hundred eighty-nine
Scientific notation
6.66989 × 10^5
Engineering notation
6.66989 × 10^3
Prime Factorization
666989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
666989
Product of the distinct prime numbers
The prime factorization of 666989 is 666989.
Since it has a total of 1 prime factors.
6 , 2 , 27 , 6 , 229 , 350 , 7135 , 6079 , 90773 , 14890 , 565314 , 413586 , 8851429 , 8823636 , 16840971 , 61979783 , 925445687 , 972458241 , 7120242324 , 1136189607
n×2
1333978
n×3
2000967
n×4
2667956
n×5
3334945
n÷2
333494.5
n÷3
222329.66666667
n÷3
166747.25
n÷5
133397.8
n2
444874326121
n3
296726281905119669
n4
1.9791316604161E+23
n5
1.3200590470493E+29
2 √n
816.69394512265
3 √n
87.372123410297
4 √n
28.577857602043
5 √n
14.61583845793
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
666990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
333495
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
816.69455734687
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999970014543
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 666989 can be divided by 2 positive divisors.
The sum of these divisors (counting 666989) is 666990, the average is 333495.
Base
System
Value
2
Binary
10100010110101101101
3
Ternary
1020212221022
4
Quaternary
2202311231
5
Quinary
132320424
6
Senary
22143525
8
Octal
2426555
10
Decimal
666989
12
Duodecimal
281ba5
16
Hexadecimal
a2d6d
20
Vigesimal
43799
36
Base36
eanh
md5
a2ccb6e80d2876811132774f42b64b95
sha1
24d7447e4f71ab45dbc30f9759c23703e03f6f94
sha256
a85c9fea1a876f12a0358ec5ecc331207f319082bde7f6d56ce82e61d63cd90e
sha512
e386a0301faf0dde90240f3291ed9b512155f05d6a6f4b61ef1926566d9f5994638c105f48652695743d8aa0cf68ac349c48079f99adbbb13cf9740242a0e87b
ripemd-160
0d509c24f3a47bf5bc7f81021990115085572980
Diameter
1333978
Circumference
4190815.4848504
Area
1397613914712.4
Volume
1.2429241431469E+18
Surface area
5590455658849.8
Circumference
4190815.4848504
Perimeter
2667956
Area
444874326121
Diagonal
943264.88975367
Surface area
2669245956726
Volume
296726281905119669
Space diagonal
1155258.8360896
Perimeter
2000967
Area
192636233956.13
Altitude
577629.41804478
Surface area
192636233956.13
Volume
3.4969527681897E+16
Height
314421.62991789