163744981 is an odd 9-digits composite number following 163744980
and preceding 163744982 . In scientific notation, it is written as 1.63744981 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 156625612 positive integers (up to 163744981) that are relatively prime to 163744981.
163744981 has 4 divisors, whose sum is 170864352
The reverse of 163744981 is 189447361
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred sixty-three million seven hundred forty-four thousand nine hundred eighty-one
Scientific notation
1.63744981 × 10^8
Engineering notation
1.63744981 × 10^6
Prime Factorization
23 × 7119347
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
163744981
Product of the distinct prime numbers
The prime factorization of 163744981 is 23 × 7119347.
Since it has a total of 2 prime factors.
5 , 3 , 73 , 25 , 28 , 540 , 962 , 8163 , 36020 , 13954 , 207773 , 835535 , 2228816 , 293768 , 35099667 , 56087343 , 621193092 , 245747870 , 5805391402 , 2263386945
n×2
327489962
n×3
491234943
n×4
654979924
n×5
818724905
n÷2
81872490.5
n÷3
54581660.333333
n÷3
40936245.25
n÷5
32748996.2
n2
26812418802690361
n3
4.3903990074106E+24
n4
7.1890580205086E+32
n5
1.1771721689761E+41
2 √n
12796.287782009
3 √n
547.08650109753
4 √n
113.12067795947
5 √n
43.937323668391
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
-163744980
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 163744981 can be divided by 4 positive divisors.
The sum of these divisors (counting 163744981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110000101000110011010101
3
Ternary
102102010002212221
4
Quaternary
21300220303111
5
Quinary
313404314411
6
Senary
24125342341
8
Octal
1160506325
10
Decimal
163744981
12
Duodecimal
46a079b1
16
Hexadecimal
9c28cd5
20
Vigesimal
2b38291
36
Base36
2phmfp
md5
d9aa4a5a74fa23e24a04cb96ae79d1b1
sha1
e3f4ca18ae325598d5c8b57e548a8148e7a0fa65
sha256
7f34055603e1ee50a7582f7afb51fde727ce3b0ff963498c344ec29d575a1092
sha512
afdead89ac22a6d222dad35283526952fb1301d00e540ad2eed90df4fca665990b4cbaca29f11cbad969df1bab1092f3f492cacb62feac0a2444aae48299ce9a
ripemd-160
ff43d293399ece9203bcc9e0592c13aec12f2b75
Diameter
327489962
Circumference
1028840058.7436
Area
8.4233697935505E+16
Volume
1.8390460357345E+25
Surface area
3.3693479174202E+17
Circumference
1028840058.7436
Perimeter
654979924
Area
26812418802690361
Diagonal
231570372.90072
Surface area
160874512816142166
Volume
4.3903990074106E+24
Space diagonal
283614626.5764
Perimeter
491234943
Area
1.1610117910019E+16
Altitude
141807313.2882
Surface area
1.1610117910019E+16
Volume
5.1741348504245E+23
Height
77190124.300242