161005955 is an odd 9-digits composite number following 161005954
and preceding 161005956 . In scientific notation, it is written as 1.61005955 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 116916480 positive integers (up to 161005955) that are relatively prime to 161005955.
161005955 has 16 divisors, whose sum is 211093344
The reverse of 161005955 is 559500161
Previous prime number is 3673
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred sixty-one million five thousand nine hundred fifty-five
Scientific notation
1.61005955 × 10^8
Engineering notation
1.61005955 × 10^6
Prime Factorization
11 × 5 × 3673 × 797
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161005955
Product of the distinct prime numbers
The prime factorization of 161005955 is 11 × 5 × 3673 × 797.
Since it has a total of 4 prime factors.
6 , 9 , 15 , 53 , 709 , 978 , 2325 , 8645 , 47165 , 81678 , 533647 , 252538 , 9051920 , 7945543 , 45998354 , 73982412 , 214354015 , 247324607 , 5009062508 , 9260340927
n×2
322011910
n×3
483017865
n×4
644023820
n×5
805029775
n÷2
80502977.5
n÷3
53668651.666667
n÷3
40251488.75
n÷5
32201191
n2
25922917545462025
n3
4.1737440957934E+24
n4
6.7199765406882E+32
n5
1.0819562405111E+41
2 √n
12688.812198153
3 √n
544.01888968973
4 √n
112.6446279152
5 √n
43.789338826576
1 , 5 , 11 , 55 , 797 , 3673 , 3985 , 8767 , 18365 , 40403 , 43835 , 202015 , 2927381 , 14636905 , 32201191 , 161005955
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
-161005954
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 161005955 can be divided by 16 positive divisors.
The sum of these divisors (counting 161005955) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001100000110000011
3
Ternary
102012221221122112
4
Quaternary
21212030012003
5
Quinary
312204142310
6
Senary
23550525535
8
Octal
1146140603
10
Decimal
161005955
12
Duodecimal
45b068ab
16
Hexadecimal
998c183
20
Vigesimal
2a65ehf
36
Base36
2nuwzn
md5
d3d34af71ea236b6f98649b1038e7b80
sha1
8a7e4d596798014e09ed94f13b5bddcfd79f44c8
sha256
f797155a923d34986de27876c5e91a6b2eabccd304c0d937c101e477d4ad469b
sha512
2e6a638aae4f6685edbb96daca5ccd5140adf42559127d96a2fcb8c52394799b72ad769a002350764aa19c72219ba5cca2dffca2f6157622d5d6f02ed9aae6d4
ripemd-160
e2002281375e1806ffd19ceda16c70076d1b74f5
Diameter
322011910
Circumference
1011630250.8244
Area
8.1439247320437E+16
Volume
1.7482938385744E+25
Surface area
3.2575698928175E+17
Circumference
1011630250.8244
Perimeter
644023820
Area
25922917545462025
Diagonal
227696805.18383
Surface area
155537505272772150
Volume
4.1737440957934E+24
Space diagonal
278870494.38115
Perimeter
483017865
Area
1.122495256729E+16
Altitude
139435247.19057
Surface area
1.122495256729E+16
Volume
4.9188045884547E+23
Height
75898935.061277