161728293 (number)

161728293 is an odd 9-digits composite number following 161728292 and preceding 161728294. In scientific notation, it is written as 1.61728293 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 101476544 positive integers (up to 161728293) that are relatively prime to 161728293.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million seven hundred twenty-eight thousand two hundred ninety-three

Notation

Scientific notation 1.61728293 × 10^8
Engineering notation 1.61728293 × 10^6

Prime Factorization of 161728293

Prime Factorization 3 × 17 × 3171143

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161728293
Product of the distinct prime numbers

The prime factorization of 161728293 is 3 × 17 × 3171143. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 2, 46, 33, 447, 292, 6159, 4152, 61965, 15458, 88857, 854642, 9429574, 5833772, 85488180, 69867342, 934199165, 752012642, 1119020890, 4420959225

Basic calculations (n = 161728293)

Multiplication

n×y
n×2 323456586
n×3 485184879
n×4 646913172
n×5 808641465

Division

n÷y
n÷2 80864146.5
n÷3 53909431
n÷3 40432073.25
n÷5 32345658.6

Exponentiation

ny
n2 26156040756693849
n3 4.2301718232185E+24
n4 6.8413846806583E+32
n5 1.1064454661592E+41

Nth Root

y√n
2√n 12717.243923115
3√n 544.83123916578
4√n 112.7707582803
5√n 43.828559851021

Divisors of 161728293

1, 3, 17, 51, 3171143, 9513429, 53909431, 161728293

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 -161728292
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 161728293 can be divided by 8 positive divisors. The sum of these divisors (counting 161728293) is 1, the average is 0.125.

Base conversion 161728293

Base System Value
2 Binary 1001101000111100011100100101
3 Ternary 102021022122111210
4 Quaternary 21220330130211
5 Quinary 312400301133
6 Senary 24014222033
8 Octal 1150743445
10 Decimal 161728293
12 Duodecimal 461b4919
16 Hexadecimal 9a3c725
20 Vigesimal 2aag0ed
36 Base36 2oaecl

Cryptographic Hash Functions

md5 f28029b7028eddade03a8b21526e90c6
sha1 cd147d3584a5de097dc0e1c3c15e1538faa7499e
sha256 1cfa2c25dbfba1fe3948deebebd4efe0bc2934cde263be4002cecae8dc2cade2
sha512 80d9399d7d07075541ea838b0c125cec0ca0689e0845512501cf7d39f409705efc84b27899df51fd36dcccf6e89845d6ce93565b8643bc5e9b9043c5f9388510
ripemd-160 5b8067f7fae7d41429ded814575dc8a6ce21a3db

161728293 as geometric shapes

Circle

Radius = n
Diameter 323456586
Circumference 1016168834.3328
Area 8.2171625488225E+16

Sphere

Radius = n
Volume 1.7719302297661E+25
Surface area 3.286865019529E+17
Circumference 1016168834.3328

Square

Length = n
Perimeter 646913172
Area 26156040756693849
Diagonal 228718345.38005

Cube

Length = n
Surface area 156936244540163094
Volume 4.2301718232185E+24
Space diagonal 280121620.49739

Equilateral Triangle

Length = n
Perimeter 485184879
Area 1.1325897878859E+16
Altitude 140060810.24869

Triangular Pyramid

Length = n
Surface area 1.1325897878859E+16
Volume 4.9853053029701E+23
Height 76239448.460017