166988 is an even 6-digits composite number following 166987
and preceding 166989 . In scientific notation, it is written as 1.66988 × 10^5.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 82512 positive integers (up to 166988) that are relatively prime to 166988.
166988 has 12 divisors, whose sum is 295680
The reverse of 166988 is 889661
Previous prime number is 383
Is Prime? no
Number parity even
Number length 6
Sum of Digits 38
Digital Root 2
Name
one hundred sixty-six thousand nine hundred eighty-eight
Scientific notation
1.66988 × 10^5
Engineering notation
1.66988 × 10^3
Prime Factorization
2 × 2 × 383 × 109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
83494
Product of the distinct prime numbers
The prime factorization of 166988 is 2 × 2 × 383 × 109.
Since it has a total of 4 prime factors.
5 , 9 , 5 , 30 , 82 , 600 , 6887 , 7604 , 91519 , 42770 , 776005 , 911186 , 480343 , 4863654 , 18922251 , 12154061 , 75209270 , 234435824 , 6507464557 , 8199326299
n×2
333976
n×3
500964
n×4
667952
n×5
834940
n÷2
83494
n÷3
55662.666666667
n÷3
41747
n÷5
33397.6
n2
27884992144
n3
4656459068142272
n4
7.7757278687094E+20
n5
1.29845324534E+26
2 √n
408.64165230676
3 √n
55.067465419478
4 √n
20.214886898194
5 √n
11.079930918485
1 , 2 , 4 , 109 , 218 , 383 , 436 , 766 , 1532 , 41747 , 83494 , 166988
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
-166987
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 166988 can be divided by 12 positive divisors.
The sum of these divisors (counting 166988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101000110001001100
3
Ternary
22111001202
4
Quaternary
220301030
5
Quinary
20320423
6
Senary
3325032
8
Octal
506114
10
Decimal
166988
12
Duodecimal
80778
16
Hexadecimal
28c4c
20
Vigesimal
10h98
36
Base36
3kuk
md5
766af0fa99d52ccdbbb0f9641d2689dc
sha1
f774229203ba33a3f987e6d6ca8e6cc0dfca165f
sha256
147c3b3d1d4dbabffd762e0f3791a1062087d9ca53619cb70f89728bb3b03c93
sha512
c224808201ee9cedc66a7cbd6285d2043e0d652925e19bf2e2f5a1f8ea2729b03d8c13c5ff8361c1acb4d42339848e8cf4bd69641c383233d95d799844709d11
ripemd-160
9a38349083868dbcb1687a0d60d0c4b90aaf3656
Diameter
333976
Circumference
1049216.5480753
Area
87603286464.999
Volume
1.9504930133623E+16
Surface area
350413145860
Circumference
1049216.5480753
Perimeter
667952
Area
27884992144
Diagonal
236156.69435356
Surface area
167309952864
Volume
4656459068142272
Space diagonal
289231.70025431
Perimeter
500964
Area
12074555790.517
Altitude
144615.85012716
Surface area
12074555790.517
Volume
5.4876896390017E+14
Height
78718.898117853