161363561 is an odd 9-digits composite number following 161363560
and preceding 161363562 . In scientific notation, it is written as 1.61363561 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 146223792 positive integers (up to 161363561) that are relatively prime to 161363561.
161363561 has 8 divisors, whose sum is 177241920
The reverse of 161363561 is 165363161
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred sixty-one million three hundred sixty-three thousand five hundred sixty-one
Scientific notation
1.61363561 × 10^8
Engineering notation
1.61363561 × 10^6
Prime Factorization
19 × 23 × 369253
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161363561
Product of the distinct prime numbers
The prime factorization of 161363561 is 19 × 23 × 369253.
Since it has a total of 3 prime factors.
3 , 10 , 67 , 71 , 81 , 22 , 6269 , 3860 , 35709 , 33224 , 428374 , 797470 , 89090 , 7762724 , 75448391 , 78236945 , 910529750 , 460432192 , 7841621838 , 8844425366
n×2
322727122
n×3
484090683
n×4
645454244
n×5
806817805
n÷2
80681780.5
n÷3
53787853.666667
n÷3
40340890.25
n÷5
32272712.2
n2
26038198818600721
n3
4.2016164833954E+24
n4
6.7798779771698E+32
n5
1.0940252535416E+41
2 √n
12702.895772225
3 √n
544.42136044321
4 √n
112.70712387522
5 √n
43.808773432712
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161363560
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161363561 can be divided by 8 positive divisors.
The sum of these divisors (counting 161363561) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111100011011001101001
3
Ternary
102020122010012012
4
Quaternary
21213203121221
5
Quinary
312302113221
6
Senary
24002325305
8
Octal
1147433151
10
Decimal
161363561
12
Duodecimal
46059835
16
Hexadecimal
99e3669
20
Vigesimal
2a8a8i1
36
Base36
2o2kx5
md5
75d4607d95904cf628ae2ab5109772de
sha1
354eb9998eaafc606a4d16d7d954f73176b56c4f
sha256
a05c9e2be26504b9fc7eef7c07841b0b90751e4bc38cfc1aed0b9747fa7e35a1
sha512
26b47c21e42b8f42d28215ca63f9950f80423e7a0564f3730aa3e2fe713aad3a7f0639d8a4775a5e141d4b2f4a5791778e48180e0d09f5a29d036c762120cd44
ripemd-160
f5f2d67cd104a550e30e73af41e43555e66fa653
Diameter
322727122
Circumference
1013877155.5894
Area
8.1801414121226E+16
Volume
1.7599689969916E+25
Surface area
3.2720565648491E+17
Circumference
1013877155.5894
Perimeter
645454244
Area
26038198818600721
Diagonal
228202536.43902
Surface area
156229192911604326
Volume
4.2016164833954E+24
Space diagonal
279489886.14224
Perimeter
484090683
Area
1.1274870822849E+16
Altitude
139744943.07112
Surface area
1.1274870822849E+16
Volume
4.9516525122568E+23
Height
76067512.146339