81489259 (number)

81489259 is an odd 8-digits prime number following 81489258 and preceding 81489260. In scientific notation, it is written as 8.1489259 × 10^7. The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors. There are 81489258 positive integers (up to 81489259) that are relatively prime to 81489259.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighty-nine thousand two hundred fifty-nine

Notation

Scientific notation 8.1489259 × 10^7
Engineering notation 8.1489259 × 10^6

Prime Factorization of 81489259

Prime Factorization 81489259

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 81489259
Product of the distinct prime numbers

The prime factorization of 81489259 is 81489259. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 8, 36, 72, 597, 385, 3206, 5211, 13200, 20168, 271569, 284716, 3656051, 238792, 5472144, 65492590, 602299834, 968137531, 8336106852, 7478496070

Basic calculations (n = 81489259)

Multiplication

n×y
n×2 162978518
n×3 244467777
n×4 325957036
n×5 407446295

Division

n÷y
n÷2 40744629.5
n÷3 27163086.333333
n÷3 20372314.75
n÷5 16297851.8

Exponentiation

ny
n2 6640499332369081
n3 5.4112936998475E+23
n4 4.4096231383194E+31
n5 3.593369220109E+39

Nth Root

y√n
2√n 9027.1401340624
3√n 433.54427553685
4√n 95.011263195804
5√n 38.213786575623

Divisors of 81489259

1, 81489259

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 81489260
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 40744630
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 9027.1401894509
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999754569
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81489259 can be divided by 2 positive divisors. The sum of these divisors (counting 81489259) is 81489260, the average is 40744630.

Base conversion 81489259

Base System Value
2 Binary 100110110110110110101101011
3 Ternary 12200100002020201
4 Quaternary 10312312311223
5 Quinary 131330124014
6 Senary 12030333031
8 Octal 466666553
10 Decimal 81489259
12 Duodecimal 2335a177
16 Hexadecimal 4db6d6b
20 Vigesimal 159632j
36 Base36 1cilij

Cryptographic Hash Functions

md5 0bf66163f5cbf3a2d40d4438d5bbaacb
sha1 38c18bb82bcb0d77e6617d40b2f866455b8df469
sha256 96a787a7ac06df29c487c6728b98f59832915684046064e66da5e20d736ec5d9
sha512 1a50e52d29167f340a99a828e8c3d1c652ce6a0fee4c46f2dcba4d7b44f9313ec4f432972443381ce23cf2941e3ab985dc3519c5c3f85f96b3f8d6ed3b506b58
ripemd-160 d4e0e298d34fa3636be6b0a9bd2a8cf643c7a483

81489259 as geometric shapes

Circle

Radius = n
Diameter 162978518
Circumference 512012114.84175
Area 2.0861743918739E+16

Sphere

Radius = n
Volume 2.2666774045144E+24
Surface area 8.3446975674955E+16
Circumference 512012114.84175

Square

Length = n
Perimeter 325957036
Area 6640499332369081
Diagonal 115243215.26553

Cube

Length = n
Surface area 39842995994214486
Volume 5.4112936998475E+23
Space diagonal 141143536.85914

Equilateral Triangle

Length = n
Perimeter 244467777
Area 2.8754205578226E+15
Altitude 70571768.42957

Triangular Pyramid

Length = n
Surface area 2.8754205578226E+15
Volume 6.3772707835904E+22
Height 38414405.088511