161768240 is an even 9-digits composite number following 161768239
and preceding 161768241 . In scientific notation, it is written as 1.61768240 × 10^8.
The sum of its digits is 35. It has a total of 6 prime factors and 20 positive divisors.
There are 64707264 positive integers (up to 161768240) that are relatively prime to 161768240.
161768240 has 20 divisors, whose sum is 376111344
The reverse of 161768240 is 042867161
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred sixty-one million seven hundred sixty-eight thousand two hundred forty
Scientific notation
1.61768240 × 10^8
Engineering notation
1.61768240 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 2022103
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20221030
Product of the distinct prime numbers
The prime factorization of 161768240 is 2 × 2 × 2 × 2 × 5 × 2022103.
Since it has a total of 6 prime factors.
3 , 10 , 34 , 26 , 996 , 369 , 2212 , 9340 , 1671 , 679 , 825667 , 557699 , 6450739 , 9489816 , 56264740 , 76936595 , 504279862 , 493250738 , 2460404314 , 4454443439
n×2
323536480
n×3
485304720
n×4
647072960
n×5
808841200
n÷2
80884120
n÷3
53922746.666667
n÷3
40442060
n÷5
32353648
n2
26168963472697600
n3
4.2333071636026E+24
n4
6.8481464923538E+32
n5
1.1078126053302E+41
2 √n
12718.814410156
3 √n
544.87609337035
4 √n
112.77772124917
5 √n
43.830724774044
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 2022103 , 4044206 , 8088412 , 10110515 , 16176824 , 20221030 , 32353648 , 40442060 , 80884120 , 161768240
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161768239
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161768240 can be divided by 20 positive divisors.
The sum of these divisors (counting 161768240) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001101001000110001100110000
3
Ternary
102021101200022022
4
Quaternary
21221012030300
5
Quinary
312403040430
6
Senary
24015131012
8
Octal
1151061460
10
Decimal
161768240
12
Duodecimal
46213a68
16
Hexadecimal
9a46330
20
Vigesimal
2ab10c0
36
Base36
2ob968
md5
140629cd6bd99927cda6aa7b04bb04f4
sha1
eee2ba96e4b13203a2d3ff90edd38591e505cc2a
sha256
8abedc53249a81df117b7dbcb421087b3cd177c4e68e824e61c164b58afd1943
sha512
2b583d77870c2b6b4aad77ccd61350d1a3f52a5082b2dd916aa87bc08305678602b94c9228f760e4a8da3162ffa206ed8322a9224c06b507f14b8dca507d9be9
ripemd-160
3b126bb028e81977b563e997571db72b9f79c805
Diameter
323536480
Circumference
1016419828.7363
Area
8.2212223397886E+16
Volume
1.7732435580751E+25
Surface area
3.2884889359155E+17
Circumference
1016419828.7363
Perimeter
647072960
Area
26168963472697600
Diagonal
228774838.96923
Surface area
157013780836185600
Volume
4.2333071636026E+24
Space diagonal
280190810.731
Perimeter
485304720
Area
1.1331493579032E+16
Altitude
140095405.3655
Surface area
1.1331493579032E+16
Volume
4.9890003370483E+23
Height
76258279.656409