81234512 (number)

81234512 is an even 8-digits composite number following 81234511 and preceding 81234513. In scientific notation, it is written as 8.1234512 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 10 positive divisors. There are 40617248 positive integers (up to 81234512) that are relatively prime to 81234512.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred thirty-four thousand five hundred twelve

Notation

Scientific notation 8.1234512 × 10^7
Engineering notation 8.1234512 × 10^6

Prime Factorization of 81234512

Prime Factorization 2 × 2 × 2 × 2 × 5077157

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10154314
Product of the distinct prime numbers

The prime factorization of 81234512 is 2 × 2 × 2 × 2 × 5077157. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 9, 29, 61, 199, 919, 1832, 3578, 18401, 87689, 664483, 948350, 9489929, 6949461, 26312987, 82562539, 246657575, 467340677, 1451327704, 9610447956

Basic calculations (n = 81234512)

Multiplication

n×y
n×2 162469024
n×3 243703536
n×4 324938048
n×5 406172560

Division

n÷y
n÷2 40617256
n÷3 27078170.666667
n÷3 20308628
n÷5 16246902.4

Exponentiation

ny
n2 6599045939878144
n3 5.3607027659158E+23
n4 4.3547407316622E+31
n5 3.537552382231E+39

Nth Root

y√n
2√n 9013.0190280505
3√n 433.0920302831
4√n 94.936921311208
5√n 38.189864298018

Divisors of 81234512

1, 2, 4, 8, 16, 5077157, 10154314, 20308628, 40617256, 81234512

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81234511
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81234512 can be divided by 10 positive divisors. The sum of these divisors (counting 81234512) is 1, the average is 0.1.

Base conversion 81234512

Base System Value
2 Binary 100110101111000101001010000
3 Ternary 12122212010210122
4 Quaternary 10311320221100
5 Quinary 131244001022
6 Senary 12021045412
8 Octal 465705120
10 Decimal 81234512
12 Duodecimal 23256868
16 Hexadecimal 4d78a50
20 Vigesimal 157e65c
36 Base36 1cd4y8

Cryptographic Hash Functions

md5 efc09f48615ec099d5521319497d745a
sha1 4d2699b1d37410043f84b4817d30246790ca586c
sha256 04a076951c8b2993cd173da0a9b42fe552f4c68111d88ce1d63fc7a8324023c7
sha512 89abe6f6111fe18480e2439ca25d198ef525de58ea70d1e5d2e7f3eef32054195162a5624814ee8a12004c27d6b8d7c9d9c20e6348c8010cd9d488fb1a2aafb1
ripemd-160 fd2afc6c548ca43e2729119e06e0266541d1f9bd

81234512 as geometric shapes

Circle

Radius = n
Diameter 162469024
Circumference 510411492.2343
Area 2.0731514245423E+16

Sphere

Radius = n
Volume 2.245485923664E+24
Surface area 8.2926056981691E+16
Circumference 510411492.2343

Square

Length = n
Perimeter 324938048
Area 6599045939878144
Diagonal 114882948.60316

Cube

Length = n
Surface area 39594275639268864
Volume 5.3607027659158E+23
Space diagonal 140702302.11206

Equilateral Triangle

Length = n
Perimeter 243703536
Area 2.8574707123375E+15
Altitude 70351151.056032

Triangular Pyramid

Length = n
Surface area 2.8574707123375E+15
Volume 6.3176487961743E+22
Height 38294316.201053