666989 (number)

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.

Interesting facts

Basic properties

Name

Name six hundred sixty-six thousand nine hundred eighty-nine

Notation

Scientific notation 6.66989 × 10^5
Engineering notation 6.66989 × 10^3

Prime Factorization of 666989

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.

Most popular turbo-numbers

Basic calculations (n = 666989)

Multiplication

n×y
n×2 1333978
n×3 2000967
n×4 2667956
n×5 3334945

Division

n÷y
n÷2 333494.5
n÷3 222329.66666667
n÷3 166747.25
n÷5 133397.8

Exponentiation

ny
n2 444874326121
n3 296726281905119669
n4 1.9791316604161E+23
n5 1.3200590470493E+29

Nth Root

y√n
2√n 816.69394512265
3√n 87.372123410297
4√n 28.577857602043
5√n 14.61583845793

Divisors of 666989

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 conversion 666989

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

Cryptographic Hash Functions

md5 a2ccb6e80d2876811132774f42b64b95
sha1 24d7447e4f71ab45dbc30f9759c23703e03f6f94
sha256 a85c9fea1a876f12a0358ec5ecc331207f319082bde7f6d56ce82e61d63cd90e
sha512 e386a0301faf0dde90240f3291ed9b512155f05d6a6f4b61ef1926566d9f5994638c105f48652695743d8aa0cf68ac349c48079f99adbbb13cf9740242a0e87b
ripemd-160 0d509c24f3a47bf5bc7f81021990115085572980

666989 as geometric shapes

Circle

Radius = n
Diameter 1333978
Circumference 4190815.4848504
Area 1397613914712.4

Sphere

Radius = n
Volume 1.2429241431469E+18
Surface area 5590455658849.8
Circumference 4190815.4848504

Square

Length = n
Perimeter 2667956
Area 444874326121
Diagonal 943264.88975367

Cube

Length = n
Surface area 2669245956726
Volume 296726281905119669
Space diagonal 1155258.8360896

Equilateral Triangle

Length = n
Perimeter 2000967
Area 192636233956.13
Altitude 577629.41804478

Triangular Pyramid

Length = n
Surface area 192636233956.13
Volume 3.4969527681897E+16
Height 314421.62991789