81124772 (number)

81124772 is an even 8-digits composite number following 81124771 and preceding 81124773. In scientific notation, it is written as 8.1124772 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors. There are 38707328 positive integers (up to 81124772) that are relatively prime to 81124772.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-four thousand seven hundred seventy-two

Notation

Scientific notation 8.1124772 × 10^7
Engineering notation 8.1124772 × 10^6

Prime Factorization of 81124772

Prime Factorization 2 × 2 × 23 × 593 × 1487

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40562386
Product of the distinct prime numbers

The prime factorization of 81124772 is 2 × 2 × 23 × 593 × 1487. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81124772)

Multiplication

n×y
n×2 162249544
n×3 243374316
n×4 324499088
n×5 405623860

Division

n÷y
n÷2 40562386
n÷3 27041590.666667
n÷3 20281193
n÷5 16224954.4

Exponentiation

ny
n2 6581228632051984
n3 5.3390067225509E+23
n4 4.3312570307341E+31
n5 3.513722390917E+39

Nth Root

y√n
2√n 9006.9291104127
3√n 432.89692052819
4√n 94.90484239707
5√n 38.179540552425

Divisors of 81124772

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81124771
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81124772 can be divided by 24 positive divisors. The sum of these divisors (counting 81124772) is 1, the average is 0.041666666666667.

Base conversion 81124772

Base System Value
2 Binary 100110101011101110110100100
3 Ternary 12122122120021012
4 Quaternary 10311131312210
5 Quinary 131231443042
6 Senary 12014441352
8 Octal 465356644
10 Decimal 81124772
12 Duodecimal 23203258
16 Hexadecimal 4d5dda4
20 Vigesimal 1570bic
36 Base36 1cas9w

Cryptographic Hash Functions

md5 c5f0b9ab18cd5c88a17ef93a328d4531
sha1 1dd531284cb445a689c66cbded381e25610f8a17
sha256 0c1efb829a589b6f07bc0c075cb2e76cedf07281b0a0df92eaa1fa14dd4d20b1
sha512 80aa795844e0424a4028443510e476c6d5f61f1605a358f6b5f8dd822311874a172ccd9df06f43b91cb9837de51f73b34573258fb1cc0b6db0b23417abdf5f0c
ripemd-160 7a564b50a0b2f74a1adebcdd0ffada0f8c79463e

81124772 as geometric shapes

Circle

Radius = n
Diameter 162249544
Circumference 509721975.47869
Area 2.0675539522049E+16

Sphere

Radius = n
Volume 2.236397906271E+24
Surface area 8.2702158088197E+16
Circumference 509721975.47869

Square

Length = n
Perimeter 324499088
Area 6581228632051984
Diagonal 114727752.80683

Cube

Length = n
Surface area 39487371792311904
Volume 5.3390067225509E+23
Space diagonal 140512226.85644

Equilateral Triangle

Length = n
Perimeter 243374316
Area 2.8497555917353E+15
Altitude 70256113.428221

Triangular Pyramid

Length = n
Surface area 2.8497555917353E+15
Volume 6.2920797638605E+22
Height 38242584.268942