166688249 is an odd 9-digits composite number following 166688248
and preceding 166688250 . In scientific notation, it is written as 1.66688249 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 131878656 positive integers (up to 166688249) that are relatively prime to 166688249.
166688249 has 12 divisors, whose sum is 184189500
The reverse of 166688249 is 942886661
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred sixty-six million six hundred eighty-eight thousand two hundred forty-nine
Scientific notation
1.66688249 × 10^8
Engineering notation
1.66688249 × 10^6
Prime Factorization
49 × 13 × 13 × 20129
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12822173
Product of the distinct prime numbers
The prime factorization of 166688249 is 49 × 13 × 13 × 20129.
Since it has a total of 4 prime factors.
4 , 5 , 49 , 63 , 738 , 837 , 92 , 1789 , 6085 , 15131 , 448691 , 537596 , 6152718 , 7812967 , 32323622 , 6086420 , 478862492 , 615776554 , 6689705515 , 2404600435
n×2
333376498
n×3
500064747
n×4
666752996
n×5
833441245
n÷2
83344124.5
n÷3
55562749.666667
n÷3
41672062.25
n÷5
33337649.8
n2
27784972354686001
n3
4.631428390316E+24
n4
7.7200468875067E+32
n5
1.2868410978764E+41
2 √n
12910.780340475
3 √n
550.34496155534
4 √n
113.62561480791
5 √n
44.094152207995
1 , 13 , 49 , 169 , 637 , 8281 , 20129 , 261677 , 986321 , 3401801 , 12822173 , 166688249
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-166688248
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 166688249 can be divided by 12 positive divisors.
The sum of these divisors (counting 166688249) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111011110111010111111001
3
Ternary
102121122122021212
4
Quaternary
21323313113321
5
Quinary
320133010444
6
Senary
24312412505
8
Octal
1173672771
10
Decimal
166688249
12
Duodecimal
479a7135
16
Hexadecimal
9ef75f9
20
Vigesimal
2c1g0c9
36
Base36
2r8ph5
md5
6c14257ecd44b414ae4021be980c9fde
sha1
be08889a37c9c45c1c97aa61f9c2e16f026258c8
sha256
d92b82127506ccb73b38ebf517c23ecf62b53f3910c9290d304f8b226e2d1bf1
sha512
61975b66c05d45ca3887802703b816bfbd06e94703455ff54f1d4bfdc0ff6e92755ca17c51f724cbab51946b9d68f38cb06b39bc060649255b0c9792ce2b015d
ripemd-160
dd1a1da9e654b077d051d1e522e28f91e47070bd
Diameter
333376498
Circumference
1047333156.9963
Area
8.7289065029677E+16
Volume
1.9400081875525E+25
Surface area
3.4915626011871E+17
Circumference
1047333156.9963
Perimeter
666752996
Area
27784972354686001
Diagonal
235732782.42402
Surface area
166709834128116006
Volume
4.631428390316E+24
Space diagonal
288712516.29269
Perimeter
500064747
Area
1.2031245951303E+16
Altitude
144356258.14635
Surface area
1.2031245951303E+16
Volume
5.4581907022873E+23
Height
78577594.141341