81130143 (number)

81130143 is an odd 8-digits composite number following 81130142 and preceding 81130144. In scientific notation, it is written as 8.1130143 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 54086760 positive integers (up to 81130143) that are relatively prime to 81130143.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred thirty thousand one hundred forty-three

Notation

Scientific notation 8.1130143 × 10^7
Engineering notation 8.1130143 × 10^6

Prime Factorization of 81130143

Prime Factorization 3 × 27043381

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81130143
Product of the distinct prime numbers

The prime factorization of 81130143 is 3 × 27043381. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81130143)

Multiplication

n×y
n×2 162260286
n×3 243390429
n×4 324520572
n×5 405650715

Division

n÷y
n÷2 40565071.5
n÷3 27043381
n÷3 20282535.75
n÷5 16226028.6

Exponentiation

ny
n2 6582100103200449
n3 5.3400672261297E+23
n4 4.3324041768551E+31
n5 3.5148857040205E+39

Nth Root

y√n
2√n 9007.2272648135
3√n 432.90647387009
4√n 94.906413191172
5√n 38.180046086991

Divisors of 81130143

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 -81130142
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 81130143 can be divided by 4 positive divisors. The sum of these divisors (counting 81130143) is 1, the average is 0.25.

Base conversion 81130143

Base System Value
2 Binary 100110101011111001010011111
3 Ternary 12122122211122010
4 Quaternary 10311133022133
5 Quinary 131232131033
6 Senary 12014522303
8 Octal 465371237
10 Decimal 81130143
12 Duodecimal 23206393
16 Hexadecimal 4d5f29f
20 Vigesimal 1571573
36 Base36 1cawf3

Cryptographic Hash Functions

md5 60cd2baf448611ed863ba200b2de3257
sha1 4110129f2156f5cf377382c9836f8965f3b08347
sha256 204a170750a8a14b36dcc90b72aa0c38ddb2582e608ce35f8f70373c7ef70ed4
sha512 c9285c7cec881c94ea201b7c7edd72d9eb4e1df52e4e7b10e0ff706b5d7d241bcf885b88b4f4a1815c742099a2c86bdb85f62dd75b0fe587b562d08c74e1069b
ripemd-160 d75cfd54445d5fb674a3498e44c79316f58a1619

81130143 as geometric shapes

Circle

Radius = n
Diameter 162260286
Circumference 509755722.46698
Area 2.0678277329407E+16

Sphere

Radius = n
Volume 2.2368421289713E+24
Surface area 8.2713109317629E+16
Circumference 509755722.46698

Square

Length = n
Perimeter 324520572
Area 6582100103200449
Diagonal 114735348.54787

Cube

Length = n
Surface area 39492600619202694
Volume 5.3400672261297E+23
Space diagonal 140521529.70133

Equilateral Triangle

Length = n
Perimeter 243390429
Area 2.8501329498119E+15
Altitude 70260764.850664

Triangular Pyramid

Length = n
Surface area 2.8501329498119E+15
Volume 6.2933295793139E+22
Height 38245116.182623