161008538 is an even 9-digits composite number following 161008537
and preceding 161008539 . In scientific notation, it is written as 1.61008538 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 80379196 positive integers (up to 161008538) that are relatively prime to 161008538.
161008538 has 8 divisors, whose sum is 241888032
The reverse of 161008538 is 835800161
Previous prime number is 647
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred sixty-one million eight thousand five hundred thirty-eight
Scientific notation
1.61008538 × 10^8
Engineering notation
1.61008538 × 10^6
Prime Factorization
2 × 647 × 124427
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161008538
Product of the distinct prime numbers
The prime factorization of 161008538 is 2 × 647 × 124427.
Since it has a total of 3 prime factors.
3 , 4 , 24 , 49 , 478 , 937 , 3516 , 2852 , 32769 , 8651 , 112445 , 208455 , 4622304 , 8938306 , 29333068 , 93966411 , 331871191 , 770481066 , 9375485668 , 4252132182
n×2
322017076
n×3
483025614
n×4
644034152
n×5
805042690
n÷2
80504269
n÷3
53669512.666667
n÷3
40252134.5
n÷5
32201707.6
n2
25923749308897444
n3
4.1739449757041E+24
n4
6.7204077823056E+32
n5
1.0820430317928E+41
2 √n
12688.913980322
3 √n
544.02179888498
4 √n
112.64507969868
5 √n
43.789479327139
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
-161008537
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 161008538 can be divided by 8 positive divisors.
The sum of these divisors (counting 161008538) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110001100101110011010
3
Ternary
102012222002012012
4
Quaternary
21212030232122
5
Quinary
312204233123
6
Senary
23550545522
8
Octal
1146145632
10
Decimal
161008538
12
Duodecimal
45b082a2
16
Hexadecimal
998cb9a
20
Vigesimal
2a6616i
36
Base36
2nuyze
md5
6dd9d3abe37e2780955e93fa1066480a
sha1
f3390d2cced20829d04691cfba2fe44983156673
sha256
e5cf79db725f49b8e1c2a71319dd24b4aa5b89a9d7ecbaf568bda37581d5e33b
sha512
07070df7dfab5beb8ae4eb979b319f3cf26196be03399b5d1aa7ced6a6e59546776463310f29afc17e38ceb21366ed3633ddb3c4aa7094b766b02cfede2135ad
ripemd-160
94012b9ac05608f8819fe3d92009b9827be2ccc4
Diameter
322017076
Circumference
1011646480.2921
Area
8.1441860382336E+16
Volume
1.7483779829547E+25
Surface area
3.2576744152934E+17
Circumference
1011646480.2921
Perimeter
644034152
Area
25923749308897444
Diagonal
227700458.09746
Surface area
155542495853384664
Volume
4.1739449757041E+24
Space diagonal
278874968.26838
Perimeter
483025614
Area
1.1225312731422E+16
Altitude
139437484.13419
Surface area
1.1225312731422E+16
Volume
4.9190413276998E+23
Height
75900152.699155