160991913 is an odd 9-digits composite number following 160991912
and preceding 160991914 . In scientific notation, it is written as 1.60991913 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 107327940 positive integers (up to 160991913) that are relatively prime to 160991913.
160991913 has 4 divisors, whose sum is 214655888
The reverse of 160991913 is 319199061
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred sixty million nine hundred ninety-one thousand nine hundred thirteen
Scientific notation
1.60991913 × 10^8
Engineering notation
1.60991913 × 10^6
Prime Factorization
3 × 53663971
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
160991913
Product of the distinct prime numbers
The prime factorization of 160991913 is 3 × 53663971.
Since it has a total of 2 prime factors.
10 , 1 , 39 , 50 , 169 , 421 , 2714 , 3601 , 80858 , 90961 , 715352 , 470653 , 8232668 , 6092024 , 82192098 , 59697553 , 425740635 , 313426099 , 7089574625 , 4304995071
n×2
321983826
n×3
482975739
n×4
643967652
n×5
804959565
n÷2
80495956.5
n÷3
53663971
n÷3
40247978.25
n÷5
32198382.6
n2
25918396051399569
n3
4.1726521622065E+24
n4
6.717632538772E+32
n5
1.081484513248E+41
2 √n
12688.258864005
3 √n
544.00307384545
4 √n
112.64217178306
5 √n
43.7885749898
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-160991912
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 160991913 can be divided by 4 positive divisors.
The sum of these divisors (counting 160991913) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110001000101010101001
3
Ternary
102012221020101110
4
Quaternary
21212020222221
5
Quinary
312203220123
6
Senary
23550340533
8
Octal
1146105251
10
Decimal
160991913
12
Duodecimal
45aba749
16
Hexadecimal
9988aa9
20
Vigesimal
2a63jfd
36
Base36
2num5l
md5
0d57108f3f1cad467ca8c5dd6ff5f1f4
sha1
913e762a39c0bf7fb360786bc1c41eca061ffaff
sha256
5f1c71eef00a0c8c7e3ae60708ead63bcc083700dc810144bbc681498b68889e
sha512
727ed92de0004b75c4a0d4d7aa3aad48e58d7948ad283f51278e624125dc3c6c8e51a73637c288183c12900d9e2f329754ddf5ccc5096725b140a807e7b27a3d
ripemd-160
17cccdf909fe766a4f9c2e3d1a6818cee7f2e0fb
Diameter
321983826
Circumference
1011542022.3363
Area
8.1425042627908E+16
Volume
1.7478364505031E+25
Surface area
3.2570017051163E+17
Circumference
1011542022.3363
Perimeter
643967652
Area
25918396051399569
Diagonal
227676946.79699
Surface area
155510376308397414
Volume
4.1726521622065E+24
Space diagonal
278846172.92371
Perimeter
482975739
Area
1.1222994702929E+16
Altitude
139423086.46185
Surface area
1.1222994702929E+16
Volume
4.9175177323815E+23
Height
75892315.598996