160989905 is an odd 9-digits composite number following 160989904
and preceding 160989906 . In scientific notation, it is written as 1.60989905 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 128717568 positive integers (up to 160989905) that are relatively prime to 160989905.
160989905 has 8 divisors, whose sum is 193299432
The reverse of 160989905 is 509989061
Previous prime number is 16657
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred sixty million nine hundred eighty-nine thousand nine hundred five
Scientific notation
1.60989905 × 10^8
Engineering notation
1.60989905 × 10^6
Prime Factorization
5 × 16657 × 1933
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
160989905
Product of the distinct prime numbers
The prime factorization of 160989905 is 5 × 16657 × 1933.
Since it has a total of 3 prime factors.
9 , 3 , 3 , 65 , 819 , 821 , 2062 , 2455 , 40477 , 61746 , 18375 , 398330 , 8337732 , 1663613 , 88835877 , 53266783 , 864288650 , 564653202 , 6476827901 , 8463156119
n×2
321979810
n×3
482969715
n×4
643959620
n×5
804949525
n÷2
80494952.5
n÷3
53663301.666667
n÷3
40247476.25
n÷5
32197981
n2
25917749511909025
n3
4.172496031736E+24
n4
6.7172973976206E+32
n5
1.0814170698997E+41
2 √n
12688.179735486
3 √n
544.00081211132
4 √n
112.64182054409
5 √n
43.788465757112
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
-160989904
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 160989905 can be divided by 8 positive divisors.
The sum of these divisors (counting 160989905) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110001000001011010001
3
Ternary
102012221010122002
4
Quaternary
21212020023101
5
Quinary
312203134110
6
Senary
23550323345
8
Octal
1146101321
10
Decimal
160989905
12
Duodecimal
45ab9555
16
Hexadecimal
99882d1
20
Vigesimal
2a63ef5
36
Base36
2nuklt
md5
7459160371d867489867236d6a616910
sha1
e44b12ef04ae025b38c2c9bc666171e36b9aea5b
sha256
51369023cf2e668aa4dd00fd9add5d4ac552bf85c7c3db55cfe8c8673cfc2dac
sha512
8423daa545fe762466f92ec488d81a14511fb2fc7a2e69b836a3596c40cc4d9a073fa573d3638fdc50467543e19658e0eff8ca8532fe5eff3bdf408bddcc5c39
ripemd-160
af0dd28e8b52634d3c3a14cecde927554ce88842
Diameter
321979810
Circumference
1011529405.7002
Area
8.1423011464194E+16
Volume
1.7477710507246E+25
Surface area
3.2569204585678E+17
Circumference
1011529405.7002
Perimeter
643959620
Area
25917749511909025
Diagonal
227674107.05616
Surface area
155506497071454150
Volume
4.172496031736E+24
Space diagonal
278842694.96569
Perimeter
482969715
Area
1.1222714743117E+16
Altitude
139421347.48284
Surface area
1.1222714743117E+16
Volume
4.9173337308575E+23
Height
75891369.018719