81424162 (number)

81424162 is an even 8-digits composite number following 81424161 and preceding 81424163. In scientific notation, it is written as 8.1424162 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 39615840 positive integers (up to 81424162) that are relatively prime to 81424162.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1424162 × 10^7
Engineering notation 8.1424162 × 10^6

Prime Factorization of 81424162

Prime Factorization 2 × 67 × 83 × 7321

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81424162
Product of the distinct prime numbers

The prime factorization of 81424162 is 2 × 67 × 83 × 7321. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81424162)

Multiplication

n×y
n×2 162848324
n×3 244272486
n×4 325696648
n×5 407120810

Division

n÷y
n÷2 40712081
n÷3 27141387.333333
n÷3 20356040.5
n÷5 16284832.4

Exponentiation

ny
n2 6629894157402244
n3 5.3983357591517E+23
n4 4.3955496538356E+31
n5 3.5790394709296E+39

Nth Root

y√n
2√n 9023.5337867157
3√n 433.42880039951
4√n 94.992282774527
5√n 38.207679272264

Divisors of 81424162

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81424161
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81424162 can be divided by 16 positive divisors. The sum of these divisors (counting 81424162) is 1, the average is 0.0625.

Base conversion 81424162

Base System Value
2 Binary 100110110100110111100100010
3 Ternary 12200012202221201
4 Quaternary 10312212330202
5 Quinary 131321033122
6 Senary 12025111414
8 Octal 466467442
10 Decimal 81424162
12 Duodecimal 2332856a
16 Hexadecimal 4da6f22
20 Vigesimal 158i082
36 Base36 1ch7aa

Cryptographic Hash Functions

md5 adb5bbdbfca777914588baaa28d67e32
sha1 d1412f10d85aabebea195b7c4d1434c901eff594
sha256 99fbe3681cf3c1d3b6660e02ff6f1f2fdb575d083ee73136d4e827264325160d
sha512 04ecefb48da2de73de0929c20a715bd39c0d900d85aed1626b74398122df61d7371bccac2067e15e9dfe4c03007b1ca11b7c1534210e895e0e11edcc1aa7ecaa
ripemd-160 9151c6a1975e2b74fa735c0ba6fd705301616827

81424162 as geometric shapes

Circle

Radius = n
Diameter 162848324
Circumference 511603098.32781
Area 2.0828426778973E+16

Sphere

Radius = n
Volume 2.2612495950083E+24
Surface area 8.3313707115891E+16
Circumference 511603098.32781

Square

Length = n
Perimeter 325696648
Area 6629894157402244
Diagonal 115151154.20526

Cube

Length = n
Surface area 39779364944413464
Volume 5.3983357591517E+23
Space diagonal 141030785.54772

Equilateral Triangle

Length = n
Perimeter 244272486
Area 2.8708283823562E+15
Altitude 70515392.77386

Triangular Pyramid

Length = n
Surface area 2.8708283823562E+15
Volume 6.36199970403E+22
Height 38383718.068421