161085669 is an odd 9-digits composite number following 161085668
and preceding 161085670 . In scientific notation, it is written as 1.61085669 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 104813568 positive integers (up to 161085669) that are relatively prime to 161085669.
161085669 has 16 divisors, whose sum is 219996672
The reverse of 161085669 is 966580161
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred sixty-one million eighty-five thousand six hundred sixty-nine
Scientific notation
1.61085669 × 10^8
Engineering notation
1.61085669 × 10^6
Prime Factorization
3 × 97 × 73 × 7583
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161085669
Product of the distinct prime numbers
The prime factorization of 161085669 is 3 × 97 × 73 × 7583.
Since it has a total of 4 prime factors.
8 , 8 , 29 , 66 , 358 , 867 , 5529 , 8347 , 37376 , 27699 , 580341 , 136597 , 3845780 , 2015745 , 12086725 , 58810460 , 978112279 , 227383293 , 5457491549 , 8102371568
n×2
322171338
n×3
483257007
n×4
644342676
n×5
805428345
n÷2
80542834.5
n÷3
53695223
n÷3
40271417.25
n÷5
32217133.8
n2
25948592757177561
n3
4.1799464238985E+24
n4
6.7332946607785E+32
n5
1.0846372750056E+41
2 √n
12691.952923014
3 √n
544.10865607326
4 √n
112.6585679077
5 √n
43.793673985829
1 , 3 , 73 , 97 , 219 , 291 , 7081 , 7583 , 21243 , 22749 , 553559 , 735551 , 1660677 , 2206653 , 53695223 , 161085669
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
-161085668
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 161085669 can be divided by 16 positive divisors.
The sum of these divisors (counting 161085669) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110011111100011100101
3
Ternary
102020002222222220
4
Quaternary
21212133203211
5
Quinary
312214220134
6
Senary
23552342553
8
Octal
1146374345
10
Decimal
161085669
12
Duodecimal
45b44a59
16
Hexadecimal
999f8e5
20
Vigesimal
2a6fe39
36
Base36
2nwmhx
md5
8b0754474781ccc430b8e2abe5acca20
sha1
438424b5cd8ccc67f4e22c5b7eaf06fbecb6638d
sha256
63f1ea9c3762f5605a0e15e0f63987e978d42d6f4e91882aacbeff996fe240d3
sha512
d5ea1cfde4c6a2287231575ab8dbf2b87ab9a3b685895272aaed8471492885f1aa2c0f7546901a496826ed523b22a2413e9ebea82c9005863dbc997ce21e88fb
ripemd-160
84d1a38f7531d18959f1d20c2144e183e7c018f5
Diameter
322171338
Circumference
1012131108.658
Area
8.1519908376942E+16
Volume
1.7508918636958E+25
Surface area
3.2607963350777E+17
Circumference
1012131108.658
Perimeter
644342676
Area
25948592757177561
Diagonal
227809537.80374
Surface area
155691556543065366
Volume
4.1799464238985E+24
Space diagonal
279008563.07922
Perimeter
483257007
Area
1.1236070260086E+16
Altitude
139504281.53961
Surface area
1.1236070260086E+16
Volume
4.9261141022251E+23
Height
75936512.601248