166943987 is an odd 9-digits composite number following 166943986
and preceding 166943988 . In scientific notation, it is written as 1.66943987 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 142843392 positive integers (up to 166943987) that are relatively prime to 166943987.
166943987 has 8 divisors, whose sum is 191128416
The reverse of 166943987 is 789349661
Previous prime number is 577
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred sixty-six million nine hundred forty-three thousand nine hundred eighty-seven
Scientific notation
1.66943987 × 10^8
Engineering notation
1.66943987 × 10^6
Prime Factorization
7 × 577 × 41333
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
166943987
Product of the distinct prime numbers
The prime factorization of 166943987 is 7 × 577 × 41333.
Since it has a total of 3 prime factors.
1 , 1 , 71 , 48 , 662 , 97 , 9479 , 7333 , 6802 , 7600 , 21076 , 639299 , 161919 , 9475613 , 84036174 , 24470118 , 545952671 , 170593174 , 6468254853 , 85047058
n×2
333887974
n×3
500831961
n×4
667775948
n×5
834719935
n÷2
83471993.5
n÷3
55647995.666667
n÷3
41735996.75
n÷5
33388797.4
n2
27870294795456169
n3
4.6527781320188E+24
n4
7.7675333198563E+32
n5
1.2967429815722E+41
2 √n
12920.680593529
3 √n
550.62626953393
4 √n
113.66917169369
5 √n
44.107674020604
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-166943986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 166943987 can be divided by 8 positive divisors.
The sum of these divisors (counting 166943987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111100110101110011110011
3
Ternary
102122010122002122
4
Quaternary
21330311303303
5
Quinary
320214201422
6
Senary
24322104455
8
Octal
1174656363
10
Decimal
166943987
12
Duodecimal
47aab12b
16
Hexadecimal
9f35cf3
20
Vigesimal
2c37jj7
36
Base36
2re6sz
md5
58e02f903f3d4f4ac5af29d0a538dc5a
sha1
ce804cb79567d653bb2cbcfb06adc39691697b86
sha256
c9c4ca4310493d93d7f0bc63de5fc5f61843b51c7c06dd99aa2f868ac3bf5bad
sha512
244a0c7119d59e2897e100ab52df4d4143b215c5826360e41036f8318f0cf9ed9259be47c834c405e8b43d3189130d00b0b85cf867e9a18d8bf83a2f8046b5a5
ripemd-160
76b64ddcd8a7bfc2b4048d5a59684a946b89f7a7
Diameter
333887974
Circumference
1048940006.2404
Area
8.7557113382787E+16
Volume
1.9489511464445E+25
Surface area
3.5022845353115E+17
Circumference
1048940006.2404
Perimeter
667775948
Area
27870294795456169
Diagonal
236094450.57204
Surface area
167221768772737014
Volume
4.6527781320188E+24
Space diagonal
289155467.50212
Perimeter
500831961
Area
1.2068191651913E+16
Altitude
144577733.75106
Surface area
1.2068191651913E+16
Volume
5.4833516141783E+23
Height
78698150.190679