161768242 is an even 9-digits composite number following 161768241
and preceding 161768243 . In scientific notation, it is written as 1.61768242 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 76550400 positive integers (up to 161768242) that are relatively prime to 161768242.
161768242 has 16 divisors, whose sum is 255679200
The reverse of 161768242 is 242867161
Previous prime number is 2659
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred sixty-one million seven hundred sixty-eight thousand two hundred forty-two
Scientific notation
1.61768242 × 10^8
Engineering notation
1.61768242 × 10^6
Prime Factorization
2 × 19 × 2659 × 1601
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161768242
Product of the distinct prime numbers
The prime factorization of 161768242 is 2 × 19 × 2659 × 1601.
Since it has a total of 4 prime factors.
5 , 7 , 1 , 21 , 351 , 674 , 1582 , 2959 , 70128 , 68621 , 639732 , 548783 , 1631125 , 7391627 , 317167 , 28679032 , 235921786 , 284977799 , 2441416707 , 2883291881
n×2
323536484
n×3
485304726
n×4
647072968
n×5
808841210
n÷2
80884121
n÷3
53922747.333333
n÷3
40442060.5
n÷5
32353648.4
n2
26168964119770564
n3
4.2333073206164E+24
n4
6.8481468310184E+32
n5
1.1078126738117E+41
2 √n
12718.81448878
3 √n
544.87609561585
4 √n
112.77772159775
5 √n
43.830724882423
1 , 2 , 19 , 38 , 1601 , 2659 , 3202 , 5318 , 30419 , 50521 , 60838 , 101042 , 4257059 , 8514118 , 80884121 , 161768242
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161768241
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161768242 can be divided by 16 positive divisors.
The sum of these divisors (counting 161768242) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101001000110001100110010
3
Ternary
102021101200022101
4
Quaternary
21221012030302
5
Quinary
312403040432
6
Senary
24015131014
8
Octal
1151061462
10
Decimal
161768242
12
Duodecimal
46213a6a
16
Hexadecimal
9a46332
20
Vigesimal
2ab10c2
36
Base36
2ob96a
md5
e8ed6d22e3b4bf2f15ce626750a06cf3
sha1
82a56bf5dd99321ac6079a449329c19568c2b99c
sha256
297e94e2131a3d7bc82e6208214f612b40cad650f8e0893b7a20c0b7957011b4
sha512
7e4cdf95cad7141677963ee3d60bc16b2d897d78639c00cbfc4f4a6d9db1a49b027acc8e80130bc47050170605124f117921cccf08b72d32827b796ebb020f05
ripemd-160
47f064715f3bed3e72c509a1610be4a24d9cdd10
Diameter
323536484
Circumference
1016419841.3027
Area
8.2212225430726E+16
Volume
1.7732436238448E+25
Surface area
3.288489017229E+17
Circumference
1016419841.3027
Perimeter
647072968
Area
26168964119770564
Diagonal
228774841.79765
Surface area
157013784718623384
Volume
4.2333073206164E+24
Space diagonal
280190814.1951
Perimeter
485304726
Area
1.1331493859222E+16
Altitude
140095407.09755
Surface area
1.1331493859222E+16
Volume
4.9890005220908E+23
Height
76258280.599218