161728143 (number)

161728143 is an odd 9-digits composite number following 161728142 and preceding 161728144. In scientific notation, it is written as 1.61728143 × 10^8. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 107818760 positive integers (up to 161728143) that are relatively prime to 161728143.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million seven hundred twenty-eight thousand one hundred forty-three

Notation

Scientific notation 1.61728143 × 10^8
Engineering notation 1.61728143 × 10^6

Prime Factorization of 161728143

Prime Factorization 3 × 53909381

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 161728143
Product of the distinct prime numbers

The prime factorization of 161728143 is 3 × 53909381. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 1, 49, 42, 679, 913, 5661, 133, 63092, 41314, 331793, 669248, 2970237, 285800, 99951122, 19107350, 977246614, 608475821, 6261330123, 7318047629

Basic calculations (n = 161728143)

Multiplication

n×y
n×2 323456286
n×3 485184429
n×4 646912572
n×5 808640715

Division

n÷y
n÷2 80864071.5
n÷3 53909381
n÷3 40432035.75
n÷5 32345628.6

Exponentiation

ny
n2 26155992238228449
n3 4.2301600530111E+24
n4 6.8413592996627E+32
n5 1.1064403351302E+41

Nth Root

y√n
2√n 12717.238025609
3√n 544.83107072543
4√n 112.7707321321
5√n 43.828551720983

Divisors of 161728143

1, 3, 53909381, 161728143

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161728142
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161728143 can be divided by 4 positive divisors. The sum of these divisors (counting 161728143) is 1, the average is 0.25.

Base conversion 161728143

Base System Value
2 Binary 1001101000111100011010001111
3 Ternary 102021022122022020
4 Quaternary 21220330122033
5 Quinary 312400300033
6 Senary 24014221223
8 Octal 1150743217
10 Decimal 161728143
12 Duodecimal 461b4813
16 Hexadecimal 9a3c68f
20 Vigesimal 2aag073
36 Base36 2oae8f

Cryptographic Hash Functions

md5 3d6bc7487eb61d35d2512f50f2a0e972
sha1 fba430da79e150afd22a8e9682e960d69b5401cd
sha256 4ee7398730bfba735b3a14007034eaf3f0089981e2268f5771bb83499bdb12c6
sha512 9f345798e514e7219a642fab48401d3d2c8eff9d13841815e5a2600343d05b6c44ecbce2aec0a3ce4e7c06e4e45018e1e5524719f0ccd5d0f7c9c258990b3c90
ripemd-160 f718d29d0fb2ac9b7194b323681dd3594db13ad5

161728143 as geometric shapes

Circle

Radius = n
Diameter 323456286
Circumference 1016167891.855
Area 8.217147306297E+16

Sphere

Radius = n
Volume 1.7719252994732E+25
Surface area 3.2868589225188E+17
Circumference 1016167891.855

Square

Length = n
Perimeter 646912572
Area 26155992238228449
Diagonal 228718133.24802

Cube

Length = n
Surface area 156935953429370694
Volume 4.2301600530111E+24
Space diagonal 280121360.68976

Equilateral Triangle

Length = n
Perimeter 485184429
Area 1.1325876869747E+16
Altitude 140060680.34488

Triangular Pyramid

Length = n
Surface area 1.1325876869747E+16
Volume 4.9852914316477E+23
Height 76239377.749338