160991901 is an odd 9-digits composite number following 160991900
and preceding 160991902 . In scientific notation, it is written as 1.60991901 × 10^8.
The sum of its digits is 36. It has a total of 5 prime factors and 16 positive divisors.
There are 91994616 positive integers (up to 160991901) that are relatively prime to 160991901.
160991901 has 16 divisors, whose sum is 243376000
The reverse of 160991901 is 109199061
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred sixty million nine hundred ninety-one thousand nine hundred one
Scientific notation
1.60991901 × 10^8
Engineering notation
1.60991901 × 10^6
Prime Factorization
3 × 3 × 3 × 49 × 121687
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
17887989
Product of the distinct prime numbers
The prime factorization of 160991901 is 3 × 3 × 3 × 49 × 121687.
Since it has a total of 5 prime factors.
2 , 6 , 54 , 24 , 338 , 731 , 8967 , 3528 , 79711 , 81669 , 640348 , 893443 , 2213679 , 7827243 , 2360358 , 66721673 , 348797210 , 640907512 , 9809189344 , 4380540273
n×2
321983802
n×3
482975703
n×4
643967604
n×5
804959505
n÷2
80495950.5
n÷3
53663967
n÷3
40247975.25
n÷5
32198380.2
n2
25918392187593801
n3
4.1726512291443E+24
n4
6.7176305358992E+32
n5
1.0814841101901E+41
2 √n
12688.258391127
3 √n
544.00306032916
4 √n
112.64216968403
5 √n
43.788574337019
1 , 3 , 9 , 27 , 49 , 147 , 441 , 1323 , 121687 , 365061 , 1095183 , 3285549 , 5962663 , 17887989 , 53663967 , 160991901
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
-160991900
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 160991901 can be divided by 16 positive divisors.
The sum of these divisors (counting 160991901) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001000101010011101
3
Ternary
102012221020101000
4
Quaternary
21212020222131
5
Quinary
312203220101
6
Senary
23550340513
8
Octal
1146105235
10
Decimal
160991901
12
Duodecimal
45aba739
16
Hexadecimal
9988a9d
20
Vigesimal
2a63jf1
36
Base36
2num59
md5
3fbbc3262685e3df662e8f20e3f59482
sha1
2edc874405c83af2784b81c2a3e50733afadc4c9
sha256
0d34a3a2c80ede1377cba2491222a50449a582cd111ece9f9db6ba3f6bbf7762
sha512
0fe3445a3e3fd647fffeae611c7d53d168c07757d99ccd3425a8781085a8690671d91772f9d8904bdcacf9855e85beb35d7bfc45b16e0492cda500a01b466a9b
ripemd-160
18ecf787d94e122f59d9b8341cddf886f49963b2
Diameter
321983802
Circumference
1011541946.9381
Area
8.1425030489404E+16
Volume
1.7478360596629E+25
Surface area
3.2570012195762E+17
Circumference
1011541946.9381
Perimeter
643967604
Area
25918392187593801
Diagonal
227676929.82643
Surface area
155510353125562806
Volume
4.1726512291443E+24
Space diagonal
278846152.1391
Perimeter
482975703
Area
1.1222993029852E+16
Altitude
139423076.06955
Surface area
1.1222993029852E+16
Volume
4.9175166327572E+23
Height
75892309.942142