166985145 is an odd 9-digits composite number following 166985144
and preceding 166985146 . In scientific notation, it is written as 1.66985145 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 88172064 positive integers (up to 166985145) that are relatively prime to 166985145.
166985145 has 16 divisors, whose sum is 186554368
The reverse of 166985145 is 541589661
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred sixty-six million nine hundred eighty-five thousand one hundred forty-five
Scientific notation
1.66985145 × 10^8
Engineering notation
1.66985145 × 10^6
Prime Factorization
27 × 15 × 103 × 4003
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
166985145
Product of the distinct prime numbers
The prime factorization of 166985145 is 27 × 15 × 103 × 4003.
Since it has a total of 4 prime factors.
6 , 3 , 29 , 69 , 304 , 315 , 9424 , 523 , 96228 , 95862 , 982719 , 678110 , 2605948 , 1409454 , 61055052 , 55280164 , 251698382 , 934213909 , 351604840 , 8293050925
n×2
333970290
n×3
500955435
n×4
667940580
n×5
834925725
n÷2
83492572.5
n÷3
55661715
n÷3
41746286.25
n÷5
33397029
n2
27884038650671025
n3
4.6562202372679E+24
n4
7.7751961147212E+32
n5
1.2983422506201E+41
2 √n
12922.273213332
3 √n
550.67151587526
4 √n
113.67617698239
5 √n
44.109848647774
1 , 15 , 27 , 103 , 405 , 1545 , 2781 , 4003 , 41715 , 60045 , 108081 , 412309 , 1621215 , 6184635 , 11132343 , 166985145
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
-166985144
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 166985145 can be divided by 16 positive divisors.
The sum of these divisors (counting 166985145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111100111111110110111001
3
Ternary
102122012201120000
4
Quaternary
21330333312321
5
Quinary
320222011040
6
Senary
24323023213
8
Octal
1174776671
10
Decimal
166985145
12
Duodecimal
47b0ab09
16
Hexadecimal
9f3fdb9
20
Vigesimal
2c3d2h5
36
Base36
2rf2k9
md5
45454847927b8235793cc42349b66bb8
sha1
665cf93fbdcaabb7305582ba53185feb0c904910
sha256
3a7096046a9ce101254619df831c096eadd849382d7077a579bd033447ea349a
sha512
cf7d15ace0859f7f254f0ea4bda997ab3d55fc78120cb53bd957ead1cb3e561c5c8ec67903b6025e0354869f839817d847fe1c3fba36fa0d5dab86ce0161129a
ripemd-160
07e9238f696b9d10412a3af522350567900d972e
Diameter
333970290
Circumference
1049198609.5813
Area
8.7600290977362E+16
Volume
1.9503929721196E+25
Surface area
3.5040116390945E+17
Circumference
1049198609.5813
Perimeter
667940580
Area
27884038650671025
Diagonal
236152656.77384
Surface area
167304231904026150
Volume
4.6562202372679E+24
Space diagonal
289226755.24926
Perimeter
500955435
Area
1.2074142915794E+16
Altitude
144613377.62463
Surface area
1.2074142915794E+16
Volume
5.487408174117E+23
Height
78717552.257946