72161085 (number)

72161085 is an odd 8-digits composite number following 72161084 and preceding 72161086. In scientific notation, it is written as 7.2161085 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 38485904 positive integers (up to 72161085) that are relatively prime to 72161085.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred sixty-one thousand eighty-five

Notation

Scientific notation 7.2161085 × 10^7
Engineering notation 7.2161085 × 10^6

Prime Factorization of 72161085

Prime Factorization 15 × 4810739

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 72161085
Product of the distinct prime numbers

The prime factorization of 72161085 is 15 × 4810739. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72161085)

Multiplication

n×y
n×2 144322170
n×3 216483255
n×4 288644340
n×5 360805425

Division

n÷y
n÷2 36080542.5
n÷3 24053695
n÷3 18040271.25
n÷5 14432217

Exponentiation

ny
n2 5207222188377225
n3 3.7575880294937E+23
n4 2.7115162919128E+31
n5 1.9566595761961E+39

Nth Root

y√n
2√n 8494.7680957163
3√n 416.3267838043
4√n 92.167066220621
5√n 37.295858709367

Divisors of 72161085

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 -72161084
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 72161085 can be divided by 4 positive divisors. The sum of these divisors (counting 72161085) is 1, the average is 0.25.

Base conversion 72161085

Base System Value
2 Binary 100010011010001011100111101
3 Ternary 12000210011101210
4 Quaternary 10103101130331
5 Quinary 121433123320
6 Senary 11054355033
8 Octal 423213475
10 Decimal 72161085
12 Duodecimal 201bba79
16 Hexadecimal 44d173d
20 Vigesimal 12b02e5
36 Base36 16ynul

Cryptographic Hash Functions

md5 b618f881308f940e846434b26e1183d1
sha1 a1af79f6b62f963fc92fe832297c2e6c8599f7bf
sha256 3c441a75e3859bd2230ee21dd1081e3b45e474462ab55671385144f52679e13c
sha512 ed5979738910b2497dcb54b2503e102225c3e06b709c454e881a5232bac1575fc505f9c0c7112f9dc7185f8fcbe299ee1873b86643c94fe153fdc634f4415223
ripemd-160 f30ccdfeb4ac19ef7412fd74a078e95050dde2c1

72161085 as geometric shapes

Circle

Radius = n
Diameter 144322170
Circumference 453401469.02214
Area 1.6358970972616E+16

Sphere

Radius = n
Volume 1.5739747931566E+24
Surface area 6.5435883890463E+16
Circumference 453401469.02214

Square

Length = n
Perimeter 288644340
Area 5207222188377225
Diagonal 102051185.08256

Cube

Length = n
Surface area 31243333130263350
Volume 3.7575880294937E+23
Space diagonal 124986665.5493

Equilateral Triangle

Length = n
Perimeter 216483255
Area 2.2547933491423E+15
Altitude 62493332.774648

Triangular Pyramid

Length = n
Surface area 2.2547933491423E+15
Volume 4.428359960934E+22
Height 34017061.694186