161837228 is an even 9-digits composite number following 161837227
and preceding 161837229 . In scientific notation, it is written as 1.61837228 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 69358800 positive integers (up to 161837228) that are relatively prime to 161837228.
161837228 has 12 divisors, whose sum is 323674512
The reverse of 161837228 is 822738161
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred sixty-one million eight hundred thirty-seven thousand two hundred twenty-eight
Scientific notation
1.61837228 × 10^8
Engineering notation
1.61837228 × 10^6
Prime Factorization
2 × 2 × 7 × 5779901
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80918614
Product of the distinct prime numbers
The prime factorization of 161837228 is 2 × 2 × 7 × 5779901.
Since it has a total of 4 prime factors.
7 , 10 , 72 , 99 , 7 , 227 , 8227 , 9594 , 322 , 40123 , 367841 , 285682 , 8621547 , 9386746 , 91130420 , 13433808 , 838090381 , 682274756 , 8114399772 , 7776870165
n×2
323674456
n×3
485511684
n×4
647348912
n×5
809186140
n÷2
80918614
n÷3
53945742.666667
n÷3
40459307
n÷5
32367445.6
n2
26191288366723984
n3
4.2387255070193E+24
n4
6.8598358630889E+32
n5
1.1101768206173E+41
2 √n
12721.526166306
3 √n
544.95353867037
4 √n
112.78974317865
5 √n
43.834462563809
1 , 2 , 4 , 7 , 14 , 28 , 5779901 , 11559802 , 23119604 , 40459307 , 80918614 , 161837228
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161837227
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161837228 can be divided by 12 positive divisors.
The sum of these divisors (counting 161837228) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101001010111000010101100
3
Ternary
102021112011221102
4
Quaternary
21221113002230
5
Quinary
312412242403
6
Senary
24020422232
8
Octal
1151270254
10
Decimal
161837228
12
Duodecimal
46247978
16
Hexadecimal
9a570ac
20
Vigesimal
2ab9d18
36
Base36
2ocqek
md5
42f3fda5043c32ca12b6cfa19eba6be6
sha1
919888fc40d39b312a6e41c2f60abcf91dc16f15
sha256
7071d3b1ea5c8b5d65353a99f452eeafc2e75e85bd1bcd3c9873228522c92e33
sha512
1cea8e017d87defee806034e9fff86a74388b861ea60a65e1c93b0c71577fcd247a60f6a2bf9870c5a7fd55e125bff0715447d37ab413b542d80c555541f8789
ripemd-160
ee8725a5f23856524a4e67d4b441ca12c27663f1
Diameter
323674456
Circumference
1016853293.1243
Area
8.2282359120952E+16
Volume
1.775513188458E+25
Surface area
3.2912943648381E+17
Circumference
1016853293.1243
Perimeter
647348912
Area
26191288366723984
Diagonal
228872402.73447
Surface area
157147730200343904
Volume
4.2387255070193E+24
Space diagonal
280310301.45211
Perimeter
485511684
Area
1.1341160541713E+16
Altitude
140155150.72605
Surface area
1.1341160541713E+16
Volume
4.9953859160028E+23
Height
76290800.911489