81542017 (number)

81542017 is an odd 8-digits composite number following 81542016 and preceding 81542018. In scientific notation, it is written as 8.1542017 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 81442116 positive integers (up to 81542017) that are relatively prime to 81542017.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred forty-two thousand seventeen

Notation

Scientific notation 8.1542017 × 10^7
Engineering notation 8.1542017 × 10^6

Prime Factorization of 81542017

Prime Factorization 823 × 99079

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81542017
Product of the distinct prime numbers

The prime factorization of 81542017 is 823 × 99079. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81542017)

Multiplication

n×y
n×2 163084034
n×3 244626051
n×4 326168068
n×5 407710085

Division

n÷y
n÷2 40771008.5
n÷3 27180672.333333
n÷3 20385504.25
n÷5 16308403.4

Exponentiation

ny
n2 6649100536428289
n3 5.4218106897614E+23
n4 4.4210537943531E+31
n5 3.6050164365705E+39

Nth Root

y√n
2√n 9030.0618491791
3√n 433.63781749478
4√n 95.02663757694
5√n 38.218733389661

Divisors of 81542017

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 -81542016
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 81542017 can be divided by 4 positive divisors. The sum of these divisors (counting 81542017) is 1, the average is 0.25.

Base conversion 81542017

Base System Value
2 Binary 100110111000011101110000001
3 Ternary 12200102202121201
4 Quaternary 10313003232001
5 Quinary 131333321032
6 Senary 12031421201
8 Octal 467035601
10 Decimal 81542017
12 Duodecimal 23384801
16 Hexadecimal 4dc3b81
20 Vigesimal 159cf0h
36 Base36 1cjq81

Cryptographic Hash Functions

md5 70e8b6ca16df8d7cebba16f2a10f85e1
sha1 c654a2e0c7b72233e8c4db45d4b87a0548f4fab3
sha256 edca0d22431ae49fc268f3fb5bc67f516fed4df5a1e26a7e12df3fda551a89db
sha512 f9f2e06986922013e2477339a9c1e07db3eb2ce2d0c527b561bf96af296c1f0aa54f85cc2360f1baad52897c68dd6edc9c0b9a4106c296da7052efbb87437d97
ripemd-160 0ed38b655d7fe6c38b70a92e2b7800f023743026

81542017 as geometric shapes

Circle

Radius = n
Diameter 163084034
Circumference 512343603.13219
Area 2.0888765398223E+16

Sphere

Radius = n
Volume 2.2710827509479E+24
Surface area 8.3555061592892E+16
Circumference 512343603.13219

Square

Length = n
Perimeter 326168068
Area 6649100536428289
Diagonal 115317826.34466

Cube

Length = n
Surface area 39894603218569734
Volume 5.4218106897614E+23
Space diagonal 141234916.39565

Equilateral Triangle

Length = n
Perimeter 244626051
Area 2.8791449884318E+15
Altitude 70617458.197823

Triangular Pyramid

Length = n
Surface area 2.8791449884318E+15
Volume 6.3896651750667E+22
Height 38439275.448219