166243989 is an odd 9-digits composite number following 166243988
and preceding 166243990 . In scientific notation, it is written as 1.66243989 × 10^8.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 110829324 positive integers (up to 166243989) that are relatively prime to 166243989.
166243989 has 4 divisors, whose sum is 221658656
The reverse of 166243989 is 989342661
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred sixty-six million two hundred forty-three thousand nine hundred eighty-nine
Scientific notation
1.66243989 × 10^8
Engineering notation
1.66243989 × 10^6
Prime Factorization
3 × 55414663
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
166243989
Product of the distinct prime numbers
The prime factorization of 166243989 is 3 × 55414663.
Since it has a total of 2 prime factors.
5 , 3 , 15 , 13 , 69 , 663 , 5604 , 7239 , 28623 , 65328 , 415562 , 326377 , 4058651 , 5315198 , 68005052 , 19571323 , 75924712 , 204418416 , 297635614 , 6269858513
n×2
332487978
n×3
498731967
n×4
664975956
n×5
831219945
n÷2
83121994.5
n÷3
55414663
n÷3
41560997.25
n÷5
33248797.8
n2
27637063878632121
n3
4.5944957434316E+24
n4
7.6380729983159E+32
n5
1.2697837235132E+41
2 √n
12893.563859539
3 √n
549.85559735207
4 √n
113.54982985253
5 √n
44.070623032448
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
-166243988
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 166243989 can be divided by 4 positive divisors.
The sum of these divisors (counting 166243989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010001010111010010101
3
Ternary
102120211001212210
4
Quaternary
21322022322111
5
Quinary
320024301424
6
Senary
24255104033
8
Octal
1172127225
10
Decimal
166243989
12
Duodecimal
47812019
16
Hexadecimal
9e8ae95
20
Vigesimal
2bj09j9
36
Base36
2qz6ol
md5
077924d256e0d12b886eec84313121b6
sha1
0ef4f046e799be1e66099f455bdc6a5db07925bc
sha256
b11ffeb7e56f04f4ed1b19e79b4f4fad853e7d96ccd239c97eaa07a565669c10
sha512
6d174b2f9bcbbf2f0f23236fc2312716cc19cc2d70dbad9472b05af63e054eaec488251ac511919919bc9feac30265e2e149a7355ac1b27fb2443b539f56ba47
ripemd-160
2bdf357532f75c20c540eb283656f41f9459552c
Diameter
332487978
Circumference
1044541789.0917
Area
8.6824396847902E+16
Volume
1.9245378766019E+25
Surface area
3.4729758739161E+17
Circumference
1044541789.0917
Perimeter
664975956
Area
27637063878632121
Diagonal
235104503.9068
Surface area
165822383271792726
Volume
4.5944957434316E+24
Space diagonal
287943035.40092
Perimeter
498731967
Area
1.1967199702454E+16
Altitude
143971517.70046
Surface area
1.1967199702454E+16
Volume
5.414665160522E+23
Height
78368167.968935