161649061 is an odd 9-digits composite number following 161649060
and preceding 161649062 . In scientific notation, it is written as 1.61649061 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 138043440 positive integers (up to 161649061) that are relatively prime to 161649061.
161649061 has 8 divisors, whose sum is 185425664
The reverse of 161649061 is 160946161
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred sixty-one million six hundred forty-nine thousand sixty-one
Scientific notation
1.61649061 × 10^8
Engineering notation
1.61649061 × 10^6
Prime Factorization
7 × 271 × 85213
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161649061
Product of the distinct prime numbers
The prime factorization of 161649061 is 7 × 271 × 85213.
Since it has a total of 3 prime factors.
6 , 10 , 37 , 63 , 421 , 976 , 1450 , 696 , 15980 , 43092 , 602967 , 663142 , 2773518 , 7428693 , 34170312 , 92845409 , 127723986 , 889101528 , 7535314698 , 4191933907
n×2
323298122
n×3
484947183
n×4
646596244
n×5
808245305
n÷2
80824530.5
n÷3
53883020.333333
n÷3
40412265.25
n÷5
32329812.2
n2
26130418922181721
n3
4.2239576823073E+24
n4
6.8279879304871E+32
n5
1.1037378374826E+41
2 √n
12714.128401113
3 √n
544.74225222082
4 √n
112.75694391528
5 √n
43.824264615974
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
-161649060
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 161649061 can be divided by 8 positive divisors.
The sum of these divisors (counting 161649061) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000101001000110100101
3
Ternary
102021011121211021
4
Quaternary
21220221012211
5
Quinary
312340232221
6
Senary
24012411141
8
Octal
1150510645
10
Decimal
161649061
12
Duodecimal
46176ab1
16
Hexadecimal
9a291a5
20
Vigesimal
2aa62d1
36
Base36
2o8p7p
md5
e4dc8b316409821f8c332485cd0cfd08
sha1
847090ad97f7300c97d0e3999a3f58c4673a9028
sha256
ee0c3433c4eec27132cb7f59a0962f93c9c0d52f00a212d5365511cad3a87c5b
sha512
a21d90b8f8801085d49b8c758f909cf3d4a73781c1f88dce45a5c3b04b5c3d9e1c6afea1966b5db3d131bbb4f9fc94859669e6218b36b7c70d984494cc31838c
ripemd-160
91078da9a3f6467d2ee6c38925a60779c74b35c6
Diameter
323298122
Circumference
1015671004.9946
Area
8.209113212115E+16
Volume
1.7693272565081E+25
Surface area
3.283645284846E+17
Circumference
1015671004.9946
Perimeter
646596244
Area
26130418922181721
Diagonal
228606294.41108
Surface area
156782513533090326
Volume
4.2239576823073E+24
Space diagonal
279984386.6478
Perimeter
484947183
Area
1.1314803299069E+16
Altitude
139992193.3239
Surface area
1.1314803299069E+16
Volume
4.9779818676742E+23
Height
76202098.137025