81252012 (number)

81252012 is an even 8-digits composite number following 81252011 and preceding 81252013. In scientific notation, it is written as 8.1252012 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors. There are 27084000 positive integers (up to 81252012) that are relatively prime to 81252012.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred fifty-two thousand twelve

Notation

Scientific notation 8.1252012 × 10^7
Engineering notation 8.1252012 × 10^6

Prime Factorization of 81252012

Prime Factorization 2 × 2 × 3 × 6771001

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40626006
Product of the distinct prime numbers

The prime factorization of 81252012 is 2 × 2 × 3 × 6771001. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81252012)

Multiplication

n×y
n×2 162504024
n×3 243756036
n×4 325008048
n×5 406260060

Division

n÷y
n÷2 40626006
n÷3 27084004
n÷3 20313003
n÷5 16250402.4

Exponentiation

ny
n2 6601889454048144
n3 5.3641680114299E+23
n4 4.3584944363472E+31
n5 3.5413644224402E+39

Nth Root

y√n
2√n 9013.9897936485
3√n 433.12312776521
4√n 94.942033860922
5√n 38.191509571749

Divisors of 81252012

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81252011
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81252012 can be divided by 12 positive divisors. The sum of these divisors (counting 81252012) is 1, the average is 0.083333333333333.

Base conversion 81252012

Base System Value
2 Binary 100110101111100111010101100
3 Ternary 12122220000210210
4 Quaternary 10311330322230
5 Quinary 131300031022
6 Senary 12021302420
8 Octal 465747254
10 Decimal 81252012
12 Duodecimal 23264a10
16 Hexadecimal 4d7ceac
20 Vigesimal 157ga0c
36 Base36 1cdigc

Cryptographic Hash Functions

md5 521626edbd8cdc253e58a2b47313cfed
sha1 facf04ced2056d19c4643754b1ad11eb178e86a9
sha256 4e5739f4fbdec1ceb8dedfd6fa99e2c42d2feff6738689ec57e1f278cdf61fb4
sha512 7d3f0951b2590fac7fa2194c16488af797f179f6f84e28d3ad1c15c5701dc20cecd18cd0f18b732394c86d2843c264b8bf2f6f110ba6620f966a0b308d622ca2
ripemd-160 73fd0d6d1d2b23865dc28cc3256109dd675f259d

81252012 as geometric shapes

Circle

Radius = n
Diameter 162504024
Circumference 510521447.97718
Area 2.074044740865E+16

Sphere

Radius = n
Volume 2.2469374423106E+24
Surface area 8.2961789634598E+16
Circumference 510521447.97718

Square

Length = n
Perimeter 325008048
Area 6601889454048144
Diagonal 114907697.3405

Cube

Length = n
Surface area 39611336724288864
Volume 5.3641680114299E+23
Space diagonal 140732613.0012

Equilateral Triangle

Length = n
Perimeter 243756036
Area 2.8587019900911E+15
Altitude 70366306.500598

Triangular Pyramid

Length = n
Surface area 2.8587019900911E+15
Volume 6.3217326271768E+22
Height 38302565.780167