81126049 (number)

81126049 is an odd 8-digits composite number following 81126048 and preceding 81126050. In scientific notation, it is written as 8.1126049 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 3 positive divisors. There are 81117042 positive integers (up to 81126049) that are relatively prime to 81126049.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-six thousand forty-nine

Notation

Scientific notation 8.1126049 × 10^7
Engineering notation 8.1126049 × 10^6

Prime Factorization of 81126049

Prime Factorization 9007 × 9007

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 9007
Product of the distinct prime numbers

The prime factorization of 81126049 is 9007 × 9007. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81126049)

Multiplication

n×y
n×2 162252098
n×3 243378147
n×4 324504196
n×5 405630245

Division

n÷y
n÷2 40563024.5
n÷3 27042016.333333
n÷3 20281512.25
n÷5 16225209.8

Exponentiation

ny
n2 6581435826350401
n3 5.3392588533886E+23
n4 4.3315297536369E+31
n5 3.513998950385E+39

Nth Root

y√n
2√n 9007
3√n 432.89919195303
4√n 94.905215873523
5√n 38.179660749906

Divisors of 81126049

3 divisors

τ Total Divisors 3
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81126048
Sum of the proper positive divisors of n
A Arithmetic Mean 0.33333333333333
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 3
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81126049 can be divided by 3 positive divisors. The sum of these divisors (counting 81126049) is 1, the average is 0.33333333333333.

Base conversion 81126049

Base System Value
2 Binary 100110101011110001010100001
3 Ternary 12122122122000111
4 Quaternary 10311132022201
5 Quinary 131232013144
6 Senary 12014451321
8 Octal 465361241
10 Decimal 81126049
12 Duodecimal 23203b41
16 Hexadecimal 4d5e2a1
20 Vigesimal 1570f29
36 Base36 1cat9d

Cryptographic Hash Functions

md5 f471413680dea8ae6d1ec87422649b5d
sha1 e10814889c336b05371e56113fa9e9887f95fe95
sha256 e0e3464031ab37d9430603e13ea41ef0bfb76bd6eaa6e7b6c03868892dc4641c
sha512 b7bab59024d9d029eb3fcfd38472b040cbd1077b3a2f6cae2e61716a7616c1bd06f5b6040c6808236b71389c402c5dea82ae60086ea3a505c6c172f5bc61f432
ripemd-160 c374c9d09d1d204088e9b022ed0a1989d0cb1828

81126049 as geometric shapes

Circle

Radius = n
Diameter 162252098
Circumference 509729999.10633
Area 2.0676190442135E+16

Sphere

Radius = n
Volume 2.2365035185893E+24
Surface area 8.270476176854E+16
Circumference 509729999.10633

Square

Length = n
Perimeter 324504196
Area 6581435826350401
Diagonal 114729558.75754

Cube

Length = n
Surface area 39488614958102406
Volume 5.3392588533886E+23
Space diagonal 140514438.68532

Equilateral Triangle

Length = n
Perimeter 243378147
Area 2.8498453094982E+15
Altitude 70257219.342661

Triangular Pyramid

Length = n
Surface area 2.8498453094982E+15
Volume 6.2923769029023E+22
Height 38243186.252515