161728292 is an even 9-digits composite number following 161728291
and preceding 161728293 . In scientific notation, it is written as 1.61728292 × 10^8.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 73369760 positive integers (up to 161728292) that are relatively prime to 161728292.
161728292 has 24 divisors, whose sum is 309355200
The reverse of 161728292 is 292827161
Previous prime number is 6599
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred sixty-one million seven hundred twenty-eight thousand two hundred ninety-two
Scientific notation
1.61728292 × 10^8
Engineering notation
1.61728292 × 10^6
Prime Factorization
2 × 2 × 11 × 6599 × 557
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
80864146
Product of the distinct prime numbers
The prime factorization of 161728292 is 2 × 2 × 11 × 6599 × 557.
Since it has a total of 5 prime factors.
4 , 7 , 20 , 97 , 373 , 955 , 7926 , 6383 , 90654 , 92372 , 461393 , 705431 , 7618222 , 7125694 , 13390210 , 38046268 , 869703242 , 861938573 , 5431598788 , 4526615728
n×2
323456584
n×3
485184876
n×4
646913168
n×5
808641460
n÷2
80864146
n÷3
53909430.666667
n÷3
40432073
n÷5
32345658.4
n2
26156040433237264
n3
4.2301717447504E+24
n4
6.8413845114514E+32
n5
1.1064454319523E+41
2 √n
12717.243883798
3 √n
544.83123804285
4 √n
112.77075810598
5 √n
43.828559796821
1 , 2 , 4 , 11 , 22 , 44 , 557 , 1114 , 2228 , 6127 , 6599 , 12254 , 13198 , 24508 , 26396 , 72589 , 145178 , 290356 , 3675643 , 7351286 , 14702572 , 40432073 , 80864146 , 161728292
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161728291
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161728292 can be divided by 24 positive divisors.
The sum of these divisors (counting 161728292) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101000111100011100100100
3
Ternary
102021022122111202
4
Quaternary
21220330130210
5
Quinary
312400301132
6
Senary
24014222032
8
Octal
1150743444
10
Decimal
161728292
12
Duodecimal
461b4918
16
Hexadecimal
9a3c724
20
Vigesimal
2aag0ec
36
Base36
2oaeck
md5
fc181cdfe6f683ad901607433b51f0dd
sha1
e0fd57bdbf26fec8231dc312c2469cb6976dae99
sha256
f210df9381aed5b16cc20996bbcce042abefcd17bc69c08d9730eaddfffd16d8
sha512
2ec507b17b6ee0badbee4d75fcc8f43dc43f47a94edc75a00b01604a66961ec7e96990f14964a402bf1d9034e653022f9e5aae4dd64dc915c1392fa01e49b842
ripemd-160
0eeb3636edb4993ccd244b2843616a1b29148563
Diameter
323456584
Circumference
1016168828.0496
Area
8.2171624472056E+16
Volume
1.7719301968975E+25
Surface area
3.2868649788822E+17
Circumference
1016168828.0496
Perimeter
646913168
Area
26156040433237264
Diagonal
228718343.96584
Surface area
156936242599423584
Volume
4.2301717447504E+24
Space diagonal
280121618.76534
Perimeter
485184876
Area
1.1325897738798E+16
Altitude
140060809.38267
Surface area
1.1325897738798E+16
Volume
4.9853052104946E+23
Height
76239447.988612