81124546 (number)

81124546 is an even 8-digits composite number following 81124545 and preceding 81124547. In scientific notation, it is written as 8.1124546 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 40562272 positive integers (up to 81124546) that are relatively prime to 81124546.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-four thousand five hundred forty-six

Notation

Scientific notation 8.1124546 × 10^7
Engineering notation 8.1124546 × 10^6

Prime Factorization of 81124546

Prime Factorization 2 × 40562273

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81124546
Product of the distinct prime numbers

The prime factorization of 81124546 is 2 × 40562273. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81124546)

Multiplication

n×y
n×2 162249092
n×3 243373638
n×4 324498184
n×5 405622730

Division

n÷y
n÷2 40562273
n÷3 27041515.333333
n÷3 20281136.5
n÷5 16224909.2

Exponentiation

ny
n2 6581191963706116
n3 5.3389621019451E+23
n4 4.331208766315E+31
n5 3.5136734479852E+39

Nth Root

y√n
2√n 9006.9165645075
3√n 432.89651853509
4√n 94.90477629976
5√n 38.179519280043

Divisors of 81124546

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 -81124545
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 81124546 can be divided by 4 positive divisors. The sum of these divisors (counting 81124546) is 1, the average is 0.25.

Base conversion 81124546

Base System Value
2 Binary 100110101011101110011000010
3 Ternary 12122122112221211
4 Quaternary 10311131303002
5 Quinary 131231441141
6 Senary 12014440334
8 Octal 465356302
10 Decimal 81124546
12 Duodecimal 232030aa
16 Hexadecimal 4d5dcc2
20 Vigesimal 1570b76
36 Base36 1cas3m

Cryptographic Hash Functions

md5 eb99106f0b2e2fbc2e23c8d38e59e7e7
sha1 2c516f7dea41163d3ad0cb663927f69d2b541644
sha256 5b5f8bcb4a174ac15c79a3199f0780559f839d7be6e23e573761a883fc5d8095
sha512 99da4d1d1b60f9aaec98f55065c3cff64e48e80f1958d77b42689337e3b4bd56d50a543a2caffc0a44deb32abdc75f0f52577fe2293c3f13924779a6659adf74
ripemd-160 e33cd32aba5996d84196d71d5021c91e772bd232

81124546 as geometric shapes

Circle

Radius = n
Diameter 162249092
Circumference 509720555.47881
Area 2.0675424325043E+16

Sphere

Radius = n
Volume 2.2363792156353E+24
Surface area 8.2701697300173E+16
Circumference 509720555.47881

Square

Length = n
Perimeter 324498184
Area 6581191963706116
Diagonal 114727433.19456

Cube

Length = n
Surface area 39487151782236696
Volume 5.3389621019451E+23
Space diagonal 140511835.41296

Equilateral Triangle

Length = n
Perimeter 243373638
Area 2.8497397138757E+15
Altitude 70255917.706479

Triangular Pyramid

Length = n
Surface area 2.8497397138757E+15
Volume 6.2920271779722E+22
Height 38242477.73152