81489295 (number)

81489295 is an odd 8-digits composite number following 81489294 and preceding 81489296. In scientific notation, it is written as 8.1489295 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 65191432 positive integers (up to 81489295) that are relatively prime to 81489295.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighty-nine thousand two hundred ninety-five

Notation

Scientific notation 8.1489295 × 10^7
Engineering notation 8.1489295 × 10^6

Prime Factorization of 81489295

Prime Factorization 5 × 16297859

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81489295
Product of the distinct prime numbers

The prime factorization of 81489295 is 5 × 16297859. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81489295)

Multiplication

n×y
n×2 162978590
n×3 244467885
n×4 325957180
n×5 407446475

Division

n÷y
n÷2 40744647.5
n÷3 27163098.333333
n÷3 20372323.75
n÷5 16297859

Exponentiation

ny
n2 6640505199597025
n3 5.41130087159E+23
n4 4.4096309305875E+31
n5 3.5933771574377E+39

Nth Root

y√n
2√n 9027.1421280492
3√n 433.54433937999
4√n 95.011273689227
5√n 38.213789952009

Divisors of 81489295

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 -81489294
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 81489295 can be divided by 4 positive divisors. The sum of these divisors (counting 81489295) is 1, the average is 0.25.

Base conversion 81489295

Base System Value
2 Binary 100110110110110110110001111
3 Ternary 12200100002022001
4 Quaternary 10312312312033
5 Quinary 131330124140
6 Senary 12030333131
8 Octal 466666617
10 Decimal 81489295
12 Duodecimal 2335a1a7
16 Hexadecimal 4db6d8f
20 Vigesimal 159634f
36 Base36 1ciljj

Cryptographic Hash Functions

md5 a92e484a11c0559c1db74625aab4db11
sha1 f8156079fae19f96f0bf08abcb8bb0f344987074
sha256 d2b41795975aaad991f1b4e3d9b333042c0223233935b15195b27db57779cbd5
sha512 42bd8f2e0ce4898df74d8f6abe9de0b3d06c86b6e7d18975293a3bcfee783096607305ad9a8bd2ed2f9cde14a7fb5cc0afe32f8cb29570376e1e347fd9bf6b3b
ripemd-160 a13fc914c4f6d2c80409523a7becfdf7575d90a0

81489295 as geometric shapes

Circle

Radius = n
Diameter 162978590
Circumference 512012341.03642
Area 2.0861762351179E+16

Sphere

Radius = n
Volume 2.2666804086068E+24
Surface area 8.3447049404715E+16
Circumference 512012341.03642

Square

Length = n
Perimeter 325957180
Area 6640505199597025
Diagonal 115243266.17722

Cube

Length = n
Surface area 39843031197582150
Volume 5.41130087159E+23
Space diagonal 141143599.21297

Equilateral Triangle

Length = n
Perimeter 244467885
Area 2.8754230984068E+15
Altitude 70571799.606484

Triangular Pyramid

Length = n
Surface area 2.8754230984068E+15
Volume 6.3772792355699E+22
Height 38414422.059074