161566243 is an odd 9-digits composite number following 161566242
and preceding 161566244 . In scientific notation, it is written as 1.61566243 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 161536408 positive integers (up to 161566243) that are relatively prime to 161566243.
161566243 has 4 divisors, whose sum is 161596080
The reverse of 161566243 is 342665161
Previous prime number is 7109
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred sixty-one million five hundred sixty-six thousand two hundred forty-three
Scientific notation
1.61566243 × 10^8
Engineering notation
1.61566243 × 10^6
Prime Factorization
7109 × 22727
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
161566243
Product of the distinct prime numbers
The prime factorization of 161566243 is 7109 × 22727.
Since it has a total of 2 prime factors.
4 , 5 , 100 , 44 , 187 , 570 , 8712 , 6954 , 44279 , 14611 , 580039 , 72732 , 1851057 , 1030253 , 55882069 , 73985931 , 804861976 , 279526590 , 193595357 , 2505282715
n×2
323132486
n×3
484698729
n×4
646264972
n×5
807831215
n÷2
80783121.5
n÷3
53855414.333333
n÷3
40391560.75
n÷5
32313248.6
n2
26103650877135049
n3
4.2174688008024E+24
n4
6.8140058911535E+32
n5
1.1009133316135E+41
2 √n
12710.871055911
3 √n
544.64920668483
4 √n
112.74249888978
5 √n
43.819773180089
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
-161566242
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 161566243 can be divided by 4 positive divisors.
The sum of these divisors (counting 161566243) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000010100111000100011
3
Ternary
102021000102012221
4
Quaternary
21220110320203
5
Quinary
312330104433
6
Senary
24010531511
8
Octal
1150247043
10
Decimal
161566243
12
Duodecimal
46136b97
16
Hexadecimal
9a14e23
20
Vigesimal
2a9ffc3
36
Base36
2o6xb7
md5
8413d1f7b15f23c001f22320e8057afe
sha1
602fd94ccf8dae17a8a46d294f96d50822e70db4
sha256
a06fb50304fbe93d0db7852dfc7108b56cb491cd9e98b60e2052f222348960a9
sha512
0389f8c115781e45a0020fe609902a645cc981debd9b7695270fe9778182a5afe43a7ea26216e0cfb5d9ff61341e5db9e92b5cf5c4a292f5eae25375715dbd80
ripemd-160
155fc2c662c6962a75bb6e29fa3bb41e10d2f420
Diameter
323132486
Circumference
1015150644.1538
Area
8.200703782748E+16
Volume
1.7666092001793E+25
Surface area
3.2802815130992E+17
Circumference
1015150644.1538
Perimeter
646264972
Area
26103650877135049
Diagonal
228489172.07227
Surface area
156621905262810294
Volume
4.2174688008024E+24
Space diagonal
279840941.66402
Perimeter
484698729
Area
1.1303212395559E+16
Altitude
139920470.83201
Surface area
1.1303212395559E+16
Volume
4.9703346474834E+23
Height
76163057.357422