16662989 is an odd 8-digits composite number following 16662988
and preceding 16662990 . In scientific notation, it is written as 1.6662989 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 14282520 positive integers (up to 16662989) that are relatively prime to 16662989.
16662989 has 4 divisors, whose sum is 17003100
The reverse of 16662989 is 98926661
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
sixteen million six hundred sixty-two thousand nine hundred eighty-nine
Scientific notation
1.6662989 × 10^7
Engineering notation
1.6662989 × 10^6
Prime Factorization
49 × 340061
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16662989
Product of the distinct prime numbers
The prime factorization of 16662989 is 49 × 340061.
Since it has a total of 2 prime factors.
9 , 10 , 32 , 64 , 628 , 792 , 7823 , 405 , 78093 , 78125 , 335844 , 602871 , 6293967 , 6848153 , 74678735 , 75787837 , 766180822 , 447271491 , 1596897214 , 4428174973
n×2
33325978
n×3
49988967
n×4
66651956
n×5
83314945
n÷2
8331494.5
n÷3
5554329.6666667
n÷3
4165747.25
n÷5
3332597.8
n2
277655202414121
n3
4.6265655836193E+21
n4
7.7092411427627E+28
n5
1.284590003602E+36
2 √n
4082.0324594496
3 √n
255.41768787804
4 √n
63.890785403293
5 √n
27.819580799707
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16662988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16662989 can be divided by 4 positive divisors.
The sum of these divisors (counting 16662989) is 1, the average is 0.25.
Base
System
Value
2
Binary
111111100100000111001101
3
Ternary
1011100120022202
4
Quaternary
333210013031
5
Quinary
13231203424
6
Senary
1353051245
8
Octal
77440715
10
Decimal
16662989
12
Duodecimal
56b6b25
16
Hexadecimal
fe41cd
20
Vigesimal
542h99
36
Base36
9x58t
md5
30531cfc70bc8ad21e88d2b43be2b327
sha1
1570342f1ade82a96f9d527738164c216e9ef901
sha256
6865ab02af8c75487e45110e63b34878c72d6c9045a5791d3eb5854b85deb77c
sha512
680d9b4155d7520562df7469eac2a0984e143e5fc86266c9a2f686f2d035180a31c8405b5638fe8cb86f4fb865dc83aa71ec8e8abe6f3cd6f4e4833c83703189
ripemd-160
38da54e0f5a183f3f6f094ca6fa1c615f87abacb
Diameter
33325978
Circumference
104696647.6585
Area
8.7227954413519E+14
Volume
1.9379712598466E+22
Surface area
3.4891181765408E+15
Circumference
104696647.6585
Perimeter
66651956
Area
277655202414121
Diagonal
23565025.033474
Surface area
1665931214484726
Volume
4.6265655836193E+21
Space diagonal
28861143.553961
Perimeter
49988967
Area
1.2022822939177E+14
Altitude
14430571.776981
Surface area
1.2022822939177E+14
Volume
5.4524598296358E+20
Height
7855008.3444912