81489479 (number)

81489479 is an odd 8-digits prime number following 81489478 and preceding 81489480. In scientific notation, it is written as 8.1489479 × 10^7. The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors. There are 81489478 positive integers (up to 81489479) that are relatively prime to 81489479.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighty-nine thousand four hundred seventy-nine

Notation

Scientific notation 8.1489479 × 10^7
Engineering notation 8.1489479 × 10^6

Prime Factorization of 81489479

Prime Factorization 81489479

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 81489479
Product of the distinct prime numbers

The prime factorization of 81489479 is 81489479. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81489479)

Multiplication

n×y
n×2 162978958
n×3 244468437
n×4 325957916
n×5 407447395

Division

n÷y
n÷2 40744739.5
n÷3 27163159.666667
n÷3 20372369.75
n÷5 16297895.8

Exponentiation

ny
n2 6640535187691441
n3 5.4113375272614E+23
n4 4.4096707578968E+31
n5 3.5934177262255E+39

Nth Root

y√n
2√n 9027.1523195302
3√n 433.5446656891
4√n 95.011327322221
5√n 38.213807209076

Divisors of 81489479

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 81489480
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 40744740
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 9027.1523749187
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999975457
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81489479 can be divided by 2 positive divisors. The sum of these divisors (counting 81489479) is 81489480, the average is 40744740.

Base conversion 81489479

Base System Value
2 Binary 100110110110110111001000111
3 Ternary 12200100002112212
4 Quaternary 10312312321013
5 Quinary 131330130404
6 Senary 12030334035
8 Octal 466667107
10 Decimal 81489479
12 Duodecimal 2335a31b
16 Hexadecimal 4db6e47
20 Vigesimal 15963dj
36 Base36 1cilon

Cryptographic Hash Functions

md5 196dbe00c7acd9dec919aabb382db92d
sha1 798c7bc33c2158f89a4660cb8aac2d24c2aa4c0c
sha256 75c7a48d8f3e0832a780659a9e4c60fe69f934acbfec9480266b8220cdcd96d9
sha512 de0d5f2d8e4f4033b8dc39c84f3f2e993d82080c8644a2c2cb5e856aedabd285f3361ae171d86d96665939a2944c943b64ec27045018eb9aef3be98c3dad92e1
ripemd-160 46d7c81c50a604ffc299e66bb3acc37999c1da79

81489479 as geometric shapes

Circle

Radius = n
Diameter 162978958
Circumference 512013497.14252
Area 2.0861856561556E+16

Sphere

Radius = n
Volume 2.2666957628986E+24
Surface area 8.3447426246224E+16
Circumference 512013497.14252

Square

Length = n
Perimeter 325957916
Area 6640535187691441
Diagonal 115243526.39252

Cube

Length = n
Surface area 39843211126148646
Volume 5.4113375272614E+23
Space diagonal 141143917.91032

Equilateral Triangle

Length = n
Perimeter 244468437
Area 2.8754360836326E+15
Altitude 70571958.955159

Triangular Pyramid

Length = n
Surface area 2.8754360836326E+15
Volume 6.377322434693E+22
Height 38414508.797506