161085668 is an even 9-digits composite number following 161085667
and preceding 161085669 . In scientific notation, it is written as 1.61085668 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 6 positive divisors.
There are 80542832 positive integers (up to 161085668) that are relatively prime to 161085668.
161085668 has 6 divisors, whose sum is 281899926
The reverse of 161085668 is 866580161
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred sixty-one million eighty-five thousand six hundred sixty-eight
Scientific notation
1.61085668 × 10^8
Engineering notation
1.61085668 × 10^6
Prime Factorization
2 × 2 × 40271417
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80542834
Product of the distinct prime numbers
The prime factorization of 161085668 is 2 × 2 × 40271417.
Since it has a total of 3 prime factors.
9 , 2 , 86 , 52 , 695 , 356 , 5264 , 645 , 88954 , 48220 , 588146 , 288814 , 7353675 , 6066024 , 80296251 , 15996875 , 304835679 , 396061522 , 4191008323 , 4518593725
n×2
322171336
n×3
483257004
n×4
644342672
n×5
805428340
n÷2
80542834
n÷3
53695222.666667
n÷3
40271417
n÷5
32217133.6
n2
25948592435006224
n3
4.1799463460527E+24
n4
6.7332944935806E+32
n5
1.0846372413392E+41
2 √n
12691.952883619
3 √n
544.10865494734
4 √n
112.65856773286
5 √n
43.793673931456
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161085667
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161085668 can be divided by 6 positive divisors.
The sum of these divisors (counting 161085668) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001100110011111100011100100
3
Ternary
102020002222222212
4
Quaternary
21212133203210
5
Quinary
312214220133
6
Senary
23552342552
8
Octal
1146374344
10
Decimal
161085668
12
Duodecimal
45b44a58
16
Hexadecimal
999f8e4
20
Vigesimal
2a6fe38
36
Base36
2nwmhw
md5
5f1f94e34697d59519a908bae35914d3
sha1
cfb81ef140d179e046805f063bb74c30148c0c47
sha256
d91ec0d62545c00d9d51de0778f89193116a3cddb0edd665d2ce0ed21056210e
sha512
02bcfd0107d7722098f825f450a02f4eadb980c97218458675b5b3e1ba2d30260560a1dfb5eab12a84f8aef9084594ca7942c2cdd1ab7741505f3c1c65b7809f
ripemd-160
eb935cf0977891b3e5b30c572a31f856b295a70a
Diameter
322171336
Circumference
1012131102.3748
Area
8.1519907364811E+16
Volume
1.7508918310878E+25
Surface area
3.2607962945924E+17
Circumference
1012131102.3748
Perimeter
644342672
Area
25948592435006224
Diagonal
227809536.38953
Surface area
155691554610037344
Volume
4.1799463460527E+24
Space diagonal
279008561.34717
Perimeter
483257004
Area
1.1236070120582E+16
Altitude
139504280.67359
Surface area
1.1236070120582E+16
Volume
4.926114010483E+23
Height
75936512.129843