160991890 is an even 9-digits composite number following 160991889
and preceding 160991891 . In scientific notation, it is written as 1.60991890 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 64219824 positive integers (up to 160991890) that are relatively prime to 160991890.
160991890 has 16 divisors, whose sum is 290581632
The reverse of 160991890 is 098199061
Previous prime number is 367
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred sixty million nine hundred ninety-one thousand eight hundred ninety
Scientific notation
1.60991890 × 10^8
Engineering notation
1.60991890 × 10^6
Prime Factorization
2 × 5 × 367 × 43867
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
160991890
Product of the distinct prime numbers
The prime factorization of 160991890 is 2 × 5 × 367 × 43867.
Since it has a total of 4 prime factors.
6 , 3 , 30 , 28 , 986 , 635 , 4507 , 6137 , 77522 , 59949 , 315808 , 696021 , 408981 , 5197892 , 83447940 , 77830350 , 608237550 , 938696211 , 6520528717 , 7363938040
n×2
321983780
n×3
482975670
n×4
643967560
n×5
804959450
n÷2
80495945
n÷3
53663963.333333
n÷3
40247972.5
n÷5
32198378
n2
25918388645772100
n3
4.1726503738374E+24
n4
6.7176286999329E+32
n5
1.0814837407204E+41
2 √n
12688.257957655
3 √n
544.00304793924
4 √n
112.64216775993
5 √n
43.788573738635
1 , 2 , 5 , 10 , 367 , 734 , 1835 , 3670 , 43867 , 87734 , 219335 , 438670 , 16099189 , 32198378 , 80495945 , 160991890
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
-160991889
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 160991890 can be divided by 16 positive divisors.
The sum of these divisors (counting 160991890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001000101010010010
3
Ternary
102012221020100121
4
Quaternary
21212020222102
5
Quinary
312203220030
6
Senary
23550340454
8
Octal
1146105222
10
Decimal
160991890
12
Duodecimal
45aba72a
16
Hexadecimal
9988a92
20
Vigesimal
2a63jea
36
Base36
2num4y
md5
ad119c8ebe1fabdac20aa76ddc11d280
sha1
1bce4af6b42f54d2beb7af7ecdc3d0735e9a237e
sha256
e74e6f354b0be929856740e53f9e4826f730691684fd965e3acd66dd4f0716f5
sha512
2845899d3904cf6f6e94003ae9816944a74a2e3c216fb4c66ab839f9e5da4f91cf9fbb8a95fa035191725843e89bce962eff90330d9cc7e1ff5fedf7aace0081
ripemd-160
8801d37db86bc371f4565d6ebfbfe899259708d3
Diameter
321983780
Circumference
1011541877.8231
Area
8.1425019362443E+16
Volume
1.7478357013928E+25
Surface area
3.2570007744977E+17
Circumference
1011541877.8231
Perimeter
643967560
Area
25918388645772100
Diagonal
227676914.27008
Surface area
155510331874632600
Volume
4.1726503738374E+24
Space diagonal
278846133.08654
Perimeter
482975670
Area
1.1222991496198E+16
Altitude
139423066.54327
Surface area
1.1222991496198E+16
Volume
4.9175156247683E+23
Height
75892304.756692