161728294 is an even 9-digits composite number following 161728293
and preceding 161728295 . In scientific notation, it is written as 1.61728294 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 63313920 positive integers (up to 161728294) that are relatively prime to 161728294.
161728294 has 16 divisors, whose sum is 247813776
The reverse of 161728294 is 492827161
Previous prime number is 97
Is Prime? no Number parity even Number length 9 Sum of Digits 40 Digital Root 4
Name
one hundred sixty-one million seven hundred twenty-eight thousand two hundred ninety-four
Scientific notation
1.61728294 × 10^8
Engineering notation
1.61728294 × 10^6
Prime Factorization
2 × 91 × 97 × 9161
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
161728294 Product of the distinct prime numbers
The prime factorization of 161728294 is 2 × 91 × 97 × 9161.
Since it has a total of 4 prime factors.
3 , 10 , 2 , 3 , 731 , 158 , 3614 , 9743 , 45091 , 79728 , 974715 , 725757 , 7452598 , 8908718 , 70135229 , 40470485 , 64717329 , 406442969 , 5841333588 , 341239190
n×2
323456588
n×3
485184882
n×4
646913176
n×5
808641470
n÷2
80864147
n÷3
53909431.333333
n÷3
40432073.5
n÷5
32345658.8
n2
26156041080150436
n3
4.2301719016866E+24
n4
6.8413848498652E+32
n5
1.1064455003661E+41
2 √n12717.243962431
3 √n544.83124028872
4 √n112.77075845463
5 √n43.828559905221
1 , 2 , 91 , 97 , 182 , 194 , 8827 , 9161 , 17654 , 18322 , 833651 , 888617 , 1667302 , 1777234 , 80864147 , 161728294
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
-161728293 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 161728294 can be divided by 16 positive divisors.
The sum of these divisors (counting 161728294) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000111100011100100110
3
Ternary
102021022122111211
4
Quaternary
21220330130212
5
Quinary
312400301134
6
Senary
24014222034
8
Octal
1150743446
10
Decimal
161728294
12
Duodecimal
461b491a
16
Hexadecimal
9a3c726
20
Vigesimal
2aag0ee
36
Base36
2oaecm
md5
f40ca7bd6215ee73f54dbc8a213b1d1f
sha1
9f7e596facf58f10739a8827ccc9002e322355e4
sha256
816bcb933ca18fb47ce44ba768f37b38770608c5a9bc396b30ba8b43d36b16b3
sha512
6da9dc448d6e7f1ed1aa2ec53d6048159814e297058549c53df6766492ec9bd8901da549fc5e7b7c2a7edfc0e4440cd73b4e91d637f01eaab743e3e5abab77d2
ripemd-160
034593eee290b227e3dc5b28437684479d65cac4
Diameter
323456588
Circumference
1016168840.616
Area
8.2171626504393E+16
Volume
1.7719302626348E+25
Surface area
3.2868650601757E+17
Circumference
1016168840.616
Perimeter
646913176
Area
26156041080150436
Diagonal
228718346.79426
Surface area
156936246480902616
Volume
4.2301719016866E+24
Space diagonal
280121622.22944
Perimeter
485184882
Area
1.132589801892E+16
Altitude
140060811.11472
Surface area
1.132589801892E+16
Volume
4.9853053954457E+23
Height
76239448.931421