161005025 (number)

161005025 is an odd 9-digits composite number following 161005024 and preceding 161005026. In scientific notation, it is written as 1.61005025 × 10^8. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 128804000 positive integers (up to 161005025) that are relatively prime to 161005025.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million five thousand twenty-five

Notation

Scientific notation 1.61005025 × 10^8
Engineering notation 1.61005025 × 10^6

Prime Factorization of 161005025

Prime Factorization 25 × 6440201

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 161005025
Product of the distinct prime numbers

The prime factorization of 161005025 is 25 × 6440201. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161005025)

Multiplication

n×y
n×2 322010050
n×3 483015075
n×4 644020100
n×5 805025125

Division

n÷y
n÷2 80502512.5
n÷3 53668341.666667
n÷3 40251256.25
n÷5 32201005

Exponentiation

ny
n2 25922618075250625
n3 4.1736717712712E+24
n4 6.7198212787531E+32
n5 1.0819249929812E+41

Nth Root

y√n
2√n 12688.775551644
3√n 544.01784223667
4√n 112.64446525082
5√n 43.789288239405

Divisors of 161005025

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 -161005024
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 161005025 can be divided by 4 positive divisors. The sum of these divisors (counting 161005025) is 1, the average is 0.25.

Base conversion 161005025

Base System Value
2 Binary 1001100110001011110111100001
3 Ternary 102012221220101002
4 Quaternary 21212023313201
5 Quinary 312204130100
6 Senary 23550521345
8 Octal 1146136741
10 Decimal 161005025
12 Duodecimal 45b06255
16 Hexadecimal 998bde1
20 Vigesimal 2a65cb5
36 Base36 2nuw9t

Cryptographic Hash Functions

md5 f0d7ae7421eb10e2a222b26a4462630c
sha1 913eced914584b6afdc0b027454edb36c5214d05
sha256 4e424c5dab52e66e5e199df24b2abf4c336b86303db5b3796f65170faaf7d3df
sha512 2c786e7b5b7d02a9ac408fe2fdb0231652489a3b65e073b93b072864939de0cd3dcd734dd77c9d5fb0bf185718b4322cb94080b788f09c8b5be985c753419d20
ripemd-160 c18bcfd5ecac0436d573d7054271bce3d9d37d4b

161005025 as geometric shapes

Circle

Radius = n
Diameter 322010050
Circumference 1011624407.4621
Area 8.1438306507021E+16

Sphere

Radius = n
Volume 1.7482635433494E+25
Surface area 3.2575322602809E+17
Circumference 1011624407.4621

Square

Length = n
Perimeter 644020100
Area 25922618075250625
Diagonal 227695489.96522

Cube

Length = n
Surface area 155535708451503750
Volume 4.1736717712712E+24
Space diagonal 278868883.5739

Equilateral Triangle

Length = n
Perimeter 483015075
Area 1.1224822892884E+16
Altitude 139434441.78695

Triangular Pyramid

Length = n
Surface area 1.1224822892884E+16
Volume 4.9187193531879E+23
Height 75898496.655073