161330181 is an odd 9-digits composite number following 161330180
and preceding 161330182 . In scientific notation, it is written as 1.61330181 × 10^8.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 107524080 positive integers (up to 161330181) that are relatively prime to 161330181.
161330181 has 8 divisors, whose sum is 215165664
The reverse of 161330181 is 181033161
Previous prime number is 6947
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 24
Digital Root 6
Name
one hundred sixty-one million three hundred thirty thousand one hundred eighty-one
Scientific notation
1.61330181 × 10^8
Engineering notation
1.61330181 × 10^6
Prime Factorization
3 × 6947 × 7741
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161330181
Product of the distinct prime numbers
The prime factorization of 161330181 is 3 × 6947 × 7741.
Since it has a total of 3 prime factors.
7 , 9 , 39 , 81 , 703 , 312 , 1528 , 9009 , 36012 , 27006 , 229006 , 292384 , 606727 , 3674555 , 3564780 , 78990670 , 364158804 , 506362572 , 800895520 , 9051831025
n×2
322660362
n×3
483990543
n×4
645320724
n×5
806650905
n÷2
80665090.5
n÷3
53776727
n÷3
40332545.25
n÷5
32266036.2
n2
26027427301492761
n3
4.1990095575142E+24
n4
6.7742697193449E+32
n5
1.0928941599647E+41
2 √n
12701.581830623
3 √n
544.38381781147
4 √n
112.70129471582
5 √n
43.806960808023
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
-161330180
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 161330181 can be divided by 8 positive divisors.
The sum of these divisors (counting 161330181) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111011011010000000101
3
Ternary
102020120102101220
4
Quaternary
21213123100011
5
Quinary
312300031211
6
Senary
24001510553
8
Octal
1147332005
10
Decimal
161330181
12
Duodecimal
46042459
16
Hexadecimal
99db405
20
Vigesimal
2a86591
36
Base36
2o1v5x
md5
ef968899cd6eb218a8d1a942beaf6e73
sha1
03ceb81a9fee3c033d616af47e22bd34dab4285f
sha256
620b7316b892a02c58b4f5ba6d69f81bc0e594284b7020400c8448314007bb0d
sha512
7097cbb53b80d4cce7e0b98aeb86fefec3e2fdc3f8ebbb4176c33255c83bfe8314650359df5564134834dfc401d231a00125be64429cfb3f39d3dad14bfaecf4
ripemd-160
50050115fdd7cd682aa61b82dfdd5073b438ddfd
Diameter
322660362
Circumference
1013667422.8638
Area
8.1767574402212E+16
Volume
1.758877010432E+25
Surface area
3.2707029760885E+17
Circumference
1013667422.8638
Perimeter
645320724
Area
26027427301492761
Diagonal
228155329.99031
Surface area
156164563808956566
Volume
4.1990095575142E+24
Space diagonal
279432070.28628
Perimeter
483990543
Area
1.1270206619123E+16
Altitude
139716035.14314
Surface area
1.1270206619123E+16
Volume
4.9485802206423E+23
Height
76051776.663435