161242011 is an odd 9-digits composite number following 161242010
and preceding 161242012 . In scientific notation, it is written as 1.61242011 × 10^8.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 92138256 positive integers (up to 161242011) that are relatively prime to 161242011.
161242011 has 8 divisors, whose sum is 204751840
The reverse of 161242011 is 110242161
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 18
Digital Root 9
Name
one hundred sixty-one million two hundred forty-two thousand eleven
Scientific notation
1.61242011 × 10^8
Engineering notation
1.61242011 × 10^6
Prime Factorization
9 × 7 × 2559397
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161242011
Product of the distinct prime numbers
The prime factorization of 161242011 is 9 × 7 × 2559397.
Since it has a total of 3 prime factors.
4 , 1 , 20 , 55 , 141 , 641 , 3516 , 932 , 46314 , 21477 , 244646 , 849392 , 5809058 , 4187900 , 89545771 , 61667600 , 755105273 , 260468786 , 3360052913 , 7952535775
n×2
322484022
n×3
483726033
n×4
644968044
n×5
806210055
n÷2
80621005.5
n÷3
53747337
n÷3
40310502.75
n÷5
32248402.2
n2
25998986111324121
n3
4.192128804551E+24
n4
6.7594727881682E+32
n5
1.089910985664E+41
2 √n
12698.110528736
3 √n
544.28462771661
4 √n
112.68589321089
5 √n
43.802171494144
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
-161242010
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 161242011 can be divided by 8 positive divisors.
The sum of these divisors (counting 161242011) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111000101101110011011
3
Ternary
102020101221110100
4
Quaternary
21213011232123
5
Quinary
312234221021
6
Senary
23555550443
8
Octal
1147055633
10
Decimal
161242011
12
Duodecimal
45bbb423
16
Hexadecimal
99c5b9b
20
Vigesimal
2a7f50b
36
Base36
2nzz4r
md5
8e93177bdfa61c0da415e0d2eb562c11
sha1
58c0408a711ba94021f05c2f2b48e126bdbc5931
sha256
348257d38f465e46a710ea167519be37e2dec86c55de9271b4d688a26e1680de
sha512
a2c8ffe0e54a062ac2c869b5fd3343ea8463618541574a9175fa11130ce024321fd0a762c2f64aa4c7532c1809d743f24f337c61fa18696789ac6b824243badc
ripemd-160
1915bb9561b3daba124b6a76a6ce60c14e893dbc
Diameter
322484022
Circumference
1013113434.4153
Area
8.1678223768119E+16
Volume
1.7559948073706E+25
Surface area
3.2671289507248E+17
Circumference
1013113434.4153
Perimeter
644968044
Area
25998986111324121
Diagonal
228030638.78051
Surface area
155993916667944726
Volume
4.192128804551E+24
Space diagonal
279279355.36658
Perimeter
483726033
Area
1.1257891222523E+16
Altitude
139639677.68329
Surface area
1.1257891222523E+16
Volume
4.9404711755091E+23
Height
76010212.926837