166163987 is an odd 9-digits composite number following 166163986
and preceding 166163988 . In scientific notation, it is written as 1.66163987 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 141134400 positive integers (up to 166163987) that are relatively prime to 166163987.
166163987 has 16 divisors, whose sum is 193441920
The reverse of 166163987 is 789361661
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred sixty-six million one hundred sixty-three thousand nine hundred eighty-seven
Scientific notation
1.66163987 × 10^8
Engineering notation
1.66163987 × 10^6
Prime Factorization
73 × 11 × 19 × 10891
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
166163987
Product of the distinct prime numbers
The prime factorization of 166163987 is 73 × 11 × 19 × 10891.
Since it has a total of 4 prime factors.
8 , 3 , 64 , 77 , 637 , 968 , 7110 , 1612 , 66904 , 69812 , 508473 , 586279 , 494315 , 9995931 , 83900526 , 84726813 , 763910112 , 296295538 , 4754702032 , 8748871635
n×2
332327974
n×3
498491961
n×4
664655948
n×5
830819935
n÷2
83081993.5
n÷3
55387995.666667
n÷3
41540996.75
n÷5
33232797.4
n2
27610470575736169
n3
4.5878658738105E+24
n4
7.6233808541359E+32
n5
1.2667313571427E+41
2 √n
12890.461085625
3 √n
549.76738041653
4 √n
113.53616642121
5 √n
44.06638057306
1 , 11 , 19 , 73 , 209 , 803 , 1387 , 10891 , 15257 , 119801 , 206929 , 795043 , 2276219 , 8745473 , 15105817 , 166163987
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
-166163986
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 166163987 can be divided by 16 positive divisors.
The sum of these divisors (counting 166163987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111001110111011000010011
3
Ternary
102120200000010202
4
Quaternary
21321313120103
5
Quinary
320014221422
6
Senary
24253245415
8
Octal
1171673023
10
Decimal
166163987
12
Duodecimal
4779386b
16
Hexadecimal
9e77613
20
Vigesimal
2bia9j7
36
Base36
2qxgyb
md5
b28ca530de653136c82384160a1d6382
sha1
fd30f5e2f8facf3ca7e99b6861c0954018876955
sha256
feb294dd17dbd6db515eda5d55a8fd7db33f7b09e56427c8eaf661f6752551ee
sha512
1596956fe2167c4c99c40f804a41c7731ec4b2a58265c631dd559052d0b46bb683236cfa4100cb4a046c01ea9eb0a7670c6b939824f1da2925a0912dc5a50a6f
ripemd-160
d128803687a53a865750ebaa144db8a9b16ceace
Diameter
332327974
Circumference
1044039121.7008
Area
8.674085152289E+16
Volume
1.9217607633091E+25
Surface area
3.4696340609156E+17
Circumference
1044039121.7008
Perimeter
664655948
Area
27610470575736169
Diagonal
234991363.99339
Surface area
165662823454417014
Volume
4.5878658738105E+24
Space diagonal
287804467.87221
Perimeter
498491961
Area
1.1955684464515E+16
Altitude
143902233.93611
Surface area
1.1955684464515E+16
Volume
5.4068517842429E+23
Height
78330454.664462