81158049 (number)

81158049 is an odd 8-digits composite number following 81158048 and preceding 81158050. In scientific notation, it is written as 8.1158049 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 45387648 positive integers (up to 81158049) that are relatively prime to 81158049.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred fifty-eight thousand forty-nine

Notation

Scientific notation 8.1158049 × 10^7
Engineering notation 8.1158049 × 10^6

Prime Factorization of 81158049

Prime Factorization 3 × 3 × 7 × 47 × 27409

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 27052683
Product of the distinct prime numbers

The prime factorization of 81158049 is 3 × 3 × 7 × 47 × 27409. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 9, 73, 42, 186, 631, 7230, 1037, 74591, 89352, 475843, 622664, 7339623, 9424958, 10217665, 14452706, 591134750, 701568533, 9608856933, 4215754511

Basic calculations (n = 81158049)

Multiplication

n×y
n×2 162316098
n×3 243474147
n×4 324632196
n×5 405790245

Division

n÷y
n÷2 40579024.5
n÷3 27052683
n÷3 20289512.25
n÷5 16231609.8

Exponentiation

ny
n2 6586628917486401
n3 5.3455795243018E+23
n4 4.3383680496668E+31
n5 3.5209348675489E+39

Nth Root

y√n
2√n 9008.7762209969
3√n 432.95610319717
4√n 94.914573280382
5√n 38.182672252224

Divisors of 81158049

1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 27409, 82227, 191863, 246681, 575589, 1288223, 1726767, 3864669, 9017561, 11594007, 27052683, 81158049

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 -81158048
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 81158049 can be divided by 24 positive divisors. The sum of these divisors (counting 81158049) is 1, the average is 0.041666666666667.

Base conversion 81158049

Base System Value
2 Binary 100110101100101111110100001
3 Ternary 12122201020220200
4 Quaternary 10311211332201
5 Quinary 131234024144
6 Senary 12015255413
8 Octal 465457641
10 Decimal 81158049
12 Duodecimal 2321a569
16 Hexadecimal 4d65fa1
20 Vigesimal 1574f29
36 Base36 1cbhy9

Cryptographic Hash Functions

md5 6c09ef99a15e5e67db9732824f1025ca
sha1 450ae7ef3fe2879b8d7cb23b38c1d5f86dadb9df
sha256 2adc870db2a05f10b7c8ef844569782dc55e05076623b0ed95fe7c6c0a27df37
sha512 acfad1e0b94f4de1c70e34a95476db426b116f6af4659a42faad8a060a53a706fa4a0116b5398ae05618429a6ed4576feda0320e49d49944ade11035ccbb1fe3
ripemd-160 2db7fd3d5efc159a3c6f64f2bf695143b0bd4ebd

81158049 as geometric shapes

Circle

Radius = n
Diameter 162316098
Circumference 509931061.03616
Area 2.0692505019097E+16

Sphere

Radius = n
Volume 2.2391511150302E+24
Surface area 8.2770020076389E+16
Circumference 509931061.03616

Square

Length = n
Perimeter 324632196
Area 6586628917486401
Diagonal 114774813.59154

Cube

Length = n
Surface area 39519773504918406
Volume 5.3455795243018E+23
Space diagonal 140569864.31116

Equilateral Triangle

Length = n
Perimeter 243474147
Area 2.8520939839222E+15
Altitude 70284932.155582

Triangular Pyramid

Length = n
Surface area 2.8520939839222E+15
Volume 6.2998258850096E+22
Height 38258271.19718