163986945 is an odd 9-digits composite number following 163986944
and preceding 163986946 . In scientific notation, it is written as 1.63986945 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 86169600 positive integers (up to 163986945) that are relatively prime to 163986945.
163986945 has 16 divisors, whose sum is 177523200
The reverse of 163986945 is 549689361
Previous prime number is 199
Is Prime? no Number parity odd Number length 9 Sum of Digits 51 Digital Root 6
Name
one hundred sixty-three million nine hundred eighty-six thousand nine hundred forty-five
Scientific notation
1.63986945 × 10^8
Engineering notation
1.63986945 × 10^6
Prime Factorization
15 × 401 × 199 × 137
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
163986945 Product of the distinct prime numbers
The prime factorization of 163986945 is 15 × 401 × 199 × 137.
Since it has a total of 4 prime factors.
5 , 2 , 98 , 12 , 788 , 38 , 8982 , 8614 , 39293 , 62680 , 155162 , 53426 , 5151799 , 3538494 , 91124061 , 29695955 , 582658733 , 940336653 , 1335336925 , 5380681711
n×2
327973890
n×3
491960835
n×4
655947780
n×5
819934725
n÷2
81993472.5
n÷3
54662315
n÷3
40996736.25
n÷5
32797389
n2
26891718130433025
n3
4.4098907020108E+24
n4
7.2316450400666E+32
n5
1.1858953774449E+41
2 √n12805.738752606
3 √n547.35584286649
4 √n113.16244409081
5 √n43.950301131537
1 , 15 , 137 , 199 , 401 , 2055 , 2985 , 6015 , 27263 , 54937 , 79799 , 408945 , 824055 , 1196985 , 10932463 , 163986945
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
-163986944 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 163986945 can be divided by 16 positive divisors.
The sum of these divisors (counting 163986945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110001100011111000000001
3
Ternary
102102120101210120
4
Quaternary
21301203320001
5
Quinary
313440040240
6
Senary
24134450453
8
Octal
1161437001
10
Decimal
163986945
12
Duodecimal
46b03a29
16
Hexadecimal
9c63e01
20
Vigesimal
2b4i775
36
Base36
2pmt4x
md5
9114d8f549b37889559a456fbb418a29
sha1
28d760e67ddb389baa42db9adbeda8fb6ec05a5f
sha256
dd14dfd86c176b109a6539fb4ac9074be02951c7f996cec9d783d7c6d109e991
sha512
9dc00742867a1a4878ef4aa5057795a2003c64f4803802df53eafb410486eb5de7514173147f80e34366e40ff94472bc8bdfc38fda608db645b8d1cc8bd39e19
ripemd-160
3407624dcacb15c4540561f76bb768a8c97b4ebc
Diameter
327973890
Circumference
1030360363.3933
Area
8.4482824120976E+16
Volume
1.8472106976762E+25
Surface area
3.379312964839E+17
Circumference
1030360363.3933
Perimeter
655947780
Area
26891718130433025
Diagonal
231912561.67113
Surface area
161350308782598150
Volume
4.4098907020108E+24
Space diagonal
284033720.518
Perimeter
491960835
Area
1.1644455526183E+16
Altitude
142016860.259
Surface area
1.1644455526183E+16
Volume
5.1971060328056E+23
Height
77304187.22371