81424069 (number)

81424069 is an odd 8-digits composite number following 81424068 and preceding 81424070. In scientific notation, it is written as 8.1424069 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 77836416 positive integers (up to 81424069) that are relatively prime to 81424069.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred twenty-four thousand sixty-nine

Notation

Scientific notation 8.1424069 × 10^7
Engineering notation 8.1424069 × 10^6

Prime Factorization of 81424069

Prime Factorization 43 × 47 × 40289

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81424069
Product of the distinct prime numbers

The prime factorization of 81424069 is 43 × 47 × 40289. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81424069)

Multiplication

n×y
n×2 162848138
n×3 244272207
n×4 325696276
n×5 407120345

Division

n÷y
n÷2 40712034.5
n÷3 27141356.333333
n÷3 20356017.25
n÷5 16284813.8

Exponentiation

ny
n2 6629879012516761
n3 5.3983172617682E+23
n4 4.395529572061E+31
n5 3.5790190316704E+39

Nth Root

y√n
2√n 9023.5286335225
3√n 433.4286353834
4√n 94.99225565025
5√n 38.207670544349

Divisors of 81424069

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81424068
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81424069 can be divided by 8 positive divisors. The sum of these divisors (counting 81424069) is 1, the average is 0.125.

Base conversion 81424069

Base System Value
2 Binary 100110110100110111011000101
3 Ternary 12200012202211021
4 Quaternary 10312212323011
5 Quinary 131321032234
6 Senary 12025111141
8 Octal 466467305
10 Decimal 81424069
12 Duodecimal 233284b1
16 Hexadecimal 4da6ec5
20 Vigesimal 158i039
36 Base36 1ch77p

Cryptographic Hash Functions

md5 98020fcc7825001725d8f5cf104d2166
sha1 b8f559687a279d814b3d0c2e121a41a021f342ce
sha256 1202873ecf18850864a01c91257676ceac69a494b0351b74f244619fe497d74f
sha512 6cef1f5f50447ae28ebfb1ad9e72306836e1b9da49caeaf514d1d2bf54bfeb1a620f475c3292c2f296d5e12083daaa1f2c03224aef02bf2b8e4b699cc10f540d
ripemd-160 7c60fdabc3bfcb95771b44613ba7cf5e399a2b19

81424069 as geometric shapes

Circle

Radius = n
Diameter 162848138
Circumference 511602513.99158
Area 2.0828379199912E+16

Sphere

Radius = n
Volume 2.2612418468424E+24
Surface area 8.3313516799647E+16
Circumference 511602513.99158

Square

Length = n
Perimeter 325696276
Area 6629879012516761
Diagonal 115151022.6834

Cube

Length = n
Surface area 39779274075100566
Volume 5.3983172617682E+23
Space diagonal 141030624.46699

Equilateral Triangle

Length = n
Perimeter 244272207
Area 2.8708218244284E+15
Altitude 70515312.233497

Triangular Pyramid

Length = n
Surface area 2.8708218244284E+15
Volume 6.3619779046544E+22
Height 38383674.227801