81252007 (number)

81252007 is an odd 8-digits composite number following 81252006 and preceding 81252008. In scientific notation, it is written as 8.1252007 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 81229696 positive integers (up to 81252007) that are relatively prime to 81252007.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1252007 × 10^7
Engineering notation 8.1252007 × 10^6

Prime Factorization of 81252007

Prime Factorization 4583 × 17729

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81252007
Product of the distinct prime numbers

The prime factorization of 81252007 is 4583 × 17729. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81252007)

Multiplication

n×y
n×2 162504014
n×3 243756021
n×4 325008028
n×5 406260035

Division

n÷y
n÷2 40626003.5
n÷3 27084002.333333
n÷3 20313001.75
n÷5 16250401.4

Exponentiation

ny
n2 6601888641528049
n3 5.3641670211466E+23
n4 4.3584933635137E+31
n5 3.5413633328167E+39

Nth Root

y√n
2√n 9013.9895163019
3√n 433.12311888085
4√n 94.942032400312
5√n 38.191509101711

Divisors of 81252007

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 -81252006
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 81252007 can be divided by 4 positive divisors. The sum of these divisors (counting 81252007) is 1, the average is 0.25.

Base conversion 81252007

Base System Value
2 Binary 100110101111100111010100111
3 Ternary 12122220000210121
4 Quaternary 10311330322213
5 Quinary 131300031012
6 Senary 12021302411
8 Octal 465747247
10 Decimal 81252007
12 Duodecimal 23264a07
16 Hexadecimal 4d7cea7
20 Vigesimal 157ga07
36 Base36 1cdig7

Cryptographic Hash Functions

md5 7b5ca2595535ab23f7cb2d48127d8b6a
sha1 6effce2c878dc9c5e120612bfdf5494ed6876ee0
sha256 a0360ea29316c15bb66fdb77f956ee0358d60058fd033010a14901c757cb2e92
sha512 132b197baa0f2251d52dbb2c52cd9ab0982787114472839a2e810fe039806b88326c022a27038d7a08e3ea8d2b404b71aad6c01fce6d84604959fc182f2b65c7
ripemd-160 2c95bddbb135883a194d7b6bb0835b2cb9941d7e

81252007 as geometric shapes

Circle

Radius = n
Diameter 162504014
Circumference 510521416.56125
Area 2.0740444856042E+16

Sphere

Radius = n
Volume 2.2469370275017E+24
Surface area 8.296177942417E+16
Circumference 510521416.56125

Square

Length = n
Perimeter 325008028
Area 6601888641528049
Diagonal 114907690.26943

Cube

Length = n
Surface area 39611331849168294
Volume 5.3641670211466E+23
Space diagonal 140732604.34094

Equilateral Triangle

Length = n
Perimeter 243756021
Area 2.8587016382596E+15
Altitude 70366302.170471

Triangular Pyramid

Length = n
Surface area 2.8587016382596E+15
Volume 6.3217314601166E+22
Height 38302563.423145