163640943 is an odd 9-digits composite number following 163640942
and preceding 163640944 . In scientific notation, it is written as 1.63640943 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 108398160 positive integers (up to 163640943) that are relatively prime to 163640943.
163640943 has 12 divisors, whose sum is 237877848
The reverse of 163640943 is 349046361
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred sixty-three million six hundred forty thousand nine hundred forty-three
Scientific notation
1.63640943 × 10^8
Engineering notation
1.63640943 × 10^6
Prime Factorization
3 × 3 × 157 × 115811
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
54546981
Product of the distinct prime numbers
The prime factorization of 163640943 is 3 × 3 × 157 × 115811.
Since it has a total of 4 prime factors.
5 , 4 , 96 , 96 , 955 , 424 , 6962 , 1783 , 76209 , 39325 , 451322 , 736830 , 4306573 , 3214225 , 73369943 , 11394625 , 749006168 , 905013290 , 608331676 , 2504165579
n×2
327281886
n×3
490922829
n×4
654563772
n×5
818204715
n÷2
81820471.5
n÷3
54546981
n÷3
40910235.75
n÷5
32728188.6
n2
26778358225929249
n3
4.3820357920829E+24
n4
7.1708046927619E+32
n5
1.1734372419924E+41
2 √n
12792.221972746
3 √n
546.97060982185
4 √n
113.10270541745
5 √n
43.931738992224
1 , 3 , 9 , 157 , 471 , 1413 , 115811 , 347433 , 1042299 , 18182327 , 54546981 , 163640943
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-163640942
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 163640943 can be divided by 12 positive divisors.
The sum of these divisors (counting 163640943) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110000001111011001101111
3
Ternary
102101220211011200
4
Quaternary
21300033121233
5
Quinary
313343002233
6
Senary
24123220543
8
Octal
1160173157
10
Decimal
163640943
12
Duodecimal
46977753
16
Hexadecimal
9c0f66f
20
Vigesimal
2b2f273
36
Base36
2pfe5r
md5
a2921a6be8aa3bb0be80c8befef2b107
sha1
fa7ff1a33d8a15501743b793dc3c96d756bb1e85
sha256
309fdaf78710f21b49bfa612990c2f722d04fee3083665bb03c181a82579d4dc
sha512
43dd7627b30263b0f7f3b5af52bf31bde6eec834e4b8d86c95322a7bc2e89fd7eb34c1264c1ae2fa6d9f666559f338910affa406bedc45312eccfc903c989936
ripemd-160
a5b90f08b57dd56cfecace78f7901014cca296da
Diameter
327281886
Circumference
1028186368.7106
Area
8.4126693477775E+16
Volume
1.83554286029E+25
Surface area
3.365067739111E+17
Circumference
1028186368.7106
Perimeter
654563772
Area
26778358225929249
Diagonal
231423240.95012
Surface area
160670149355575494
Volume
4.3820357920829E+24
Space diagonal
283434427.47448
Perimeter
490922829
Area
1.1595369247647E+16
Altitude
141717213.73724
Surface area
1.1595369247647E+16
Volume
5.1642787066399E+23
Height
77141080.316708