81872017 (number)

81872017 is an odd 8-digits composite number following 81872016 and preceding 81872018. In scientific notation, it is written as 8.1872017 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 73319680 positive integers (up to 81872017) that are relatively prime to 81872017.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred seventy-two thousand seventeen

Notation

Scientific notation 8.1872017 × 10^7
Engineering notation 8.1872017 × 10^6

Prime Factorization of 81872017

Prime Factorization 1207 × 29 × 2339

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81872017
Product of the distinct prime numbers

The prime factorization of 81872017 is 1207 × 29 × 2339. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81872017)

Multiplication

n×y
n×2 163744034
n×3 245616051
n×4 327488068
n×5 409360085

Division

n÷y
n÷2 40936008.5
n÷3 27290672.333333
n÷3 20468004.25
n÷5 16374403.4

Exponentiation

ny
n2 6703027167648289
n3 5.4879035422116E+23
n4 4.4930573210231E+31
n5 3.6785566536878E+39

Nth Root

y√n
2√n 9048.3156996206
3√n 434.2220065859
4√n 95.122635054022
5√n 38.249617626648

Divisors of 81872017

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 -81872016
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 81872017 can be divided by 8 positive divisors. The sum of these divisors (counting 81872017) is 1, the average is 0.125.

Base conversion 81872017

Base System Value
2 Binary 100111000010100010010010001
3 Ternary 12201001112021221
4 Quaternary 10320110102101
5 Quinary 131424401032
6 Senary 12042445041
8 Octal 470242221
10 Decimal 81872017
12 Duodecimal 23503781
16 Hexadecimal 4e14491
20 Vigesimal 15be00h
36 Base36 1cqsup

Cryptographic Hash Functions

md5 f50e59e6b8182e03fac41190ecdf5c14
sha1 602ad59e1c4450d13f687a5dd446e6262e68aea4
sha256 d300530c62017447fc59cff82759d9727f1f595a0d0ce4faf2dc41efd471aa2f
sha512 6171c8eca3c9ff9417b48384cd0283efe0d6abfffc779c57dcc238b339241065739880c65e85ef1671c50a7c661033a1d2320c29a4da4a9b76917566ba4168c0
ripemd-160 99d845ddad596644524b4c284b5d513492072ef7

81872017 as geometric shapes

Circle

Radius = n
Diameter 163744034
Circumference 514417054.28356
Area 2.1058180906697E+16

Sphere

Radius = n
Volume 2.2987676602429E+24
Surface area 8.4232723626787E+16
Circumference 514417054.28356

Square

Length = n
Perimeter 327488068
Area 6703027167648289
Diagonal 115784516.82024

Cube

Length = n
Surface area 40218163005889734
Volume 5.4879035422116E+23
Space diagonal 141806493.16214

Equilateral Triangle

Length = n
Perimeter 245616051
Area 2.9024959047203E+15
Altitude 70903246.581071

Triangular Pyramid

Length = n
Surface area 2.9024959047203E+15
Volume 6.4675563486592E+22
Height 38594838.94008