16662987 is an odd 8-digits composite number following 16662986
and preceding 16662988 . In scientific notation, it is written as 1.6662987 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 9823680 positive integers (up to 16662987) that are relatively prime to 16662987.
16662987 has 16 divisors, whose sum is 20748000
The reverse of 16662987 is 78926661
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixteen million six hundred sixty-two thousand nine hundred eighty-seven
Scientific notation
1.6662987 × 10^7
Engineering notation
1.6662987 × 10^6
Prime Factorization
9 × 37 × 11 × 4549
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16662987
Product of the distinct prime numbers
The prime factorization of 16662987 is 9 × 37 × 11 × 4549.
Since it has a total of 4 prime factors.
7 , 6 , 19 , 66 , 200 , 718 , 5790 , 3615 , 62863 , 83976 , 43261 , 813225 , 8851524 , 2417939 , 20802589 , 65522741 , 346208930 , 721170207 , 6181481778 , 7328568645
n×2
33325974
n×3
49988961
n×4
66651948
n×5
83314935
n÷2
8331493.5
n÷3
5554329
n÷3
4165746.75
n÷5
3332597.4
n2
277655135762169
n3
4.6265639176883E+21
n4
7.7092374415108E+28
n5
1.2845892326781E+36
2 √n
4082.0322144736
3 √n
255.41767765908
4 √n
63.890783486146
5 √n
27.81958013189
1 , 9 , 11 , 37 , 99 , 333 , 407 , 3663 , 4549 , 40941 , 50039 , 168313 , 450351 , 1514817 , 1851443 , 16662987
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16662986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16662987 can be divided by 16 positive divisors.
The sum of these divisors (counting 16662987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111111100100000111001011
3
Ternary
1011100120022200
4
Quaternary
333210013023
5
Quinary
13231203422
6
Senary
1353051243
8
Octal
77440713
10
Decimal
16662987
12
Duodecimal
56b6b23
16
Hexadecimal
fe41cb
20
Vigesimal
542h97
36
Base36
9x58r
md5
a3bc324ab25f7eb4578cb29aa7adf604
sha1
a565ca120e2da703c37efa561f75daf9ef84ba18
sha256
a1c833b63a60d0d9fdcac3e5433d350f2e7d0375d57138273aee14701d9911f7
sha512
c6429f653c00ed4302b5fe0ad3118b8b90be983ef7e95573d2907d9e58da35cc31d1a2c45de8c89fddcf9442e346b20986f73761e6df5e48a82cce1e4650ffbe
ripemd-160
2e487ff0351623dc456698c7e384f1489298710e
Diameter
33325974
Circumference
104696635.09212
Area
8.7227933474191E+14
Volume
1.9379705620231E+22
Surface area
3.4891173389676E+15
Circumference
104696635.09212
Perimeter
66651948
Area
277655135762169
Diagonal
23565022.205047
Surface area
1665930814573014
Volume
4.6265639176883E+21
Space diagonal
28861140.08986
Perimeter
49988961
Area
1.2022820053063E+14
Altitude
14430570.04493
Surface area
1.2022820053063E+14
Volume
5.4524578663173E+20
Height
7855007.4016822