81497269 (number)

81497269 is an odd 8-digits composite number following 81497268 and preceding 81497270. In scientific notation, it is written as 8.1497269 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 64905984 positive integers (up to 81497269) that are relatively prime to 81497269.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-seven thousand two hundred sixty-nine

Notation

Scientific notation 8.1497269 × 10^7
Engineering notation 8.1497269 × 10^6

Prime Factorization of 81497269

Prime Factorization 7 × 17 × 79 × 8669

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81497269
Product of the distinct prime numbers

The prime factorization of 81497269 is 7 × 17 × 79 × 8669. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 6, 5, 8, 692, 375, 3017, 9784, 50386, 88525, 868808, 273124, 7201480, 9885450, 65656238, 12267784, 213754696, 774965128, 928699937, 8563023516

Basic calculations (n = 81497269)

Multiplication

n×y
n×2 162994538
n×3 244491807
n×4 325989076
n×5 407486345

Division

n÷y
n÷2 40748634.5
n÷3 27165756.333333
n÷3 20374317.25
n÷5 16299453.8

Exponentiation

ny
n2 6641804854458361
n3 5.412889568693E+23
n4 4.4113571724707E+31
n5 3.5951356213992E+39

Nth Root

y√n
2√n 9027.5837852661
3√n 433.55848017319
4√n 95.013597896649
5√n 38.214537792164

Divisors of 81497269

1, 7, 17, 79, 119, 553, 1343, 8669, 9401, 60683, 147373, 684851, 1031611, 4793957, 11642467, 81497269

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81497268
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81497269 can be divided by 16 positive divisors. The sum of these divisors (counting 81497269) is 1, the average is 0.0625.

Base conversion 81497269

Base System Value
2 Binary 100110110111000110010110101
3 Ternary 12200100111020101
4 Quaternary 10312320302311
5 Quinary 131330403034
6 Senary 12030434101
8 Octal 466706265
10 Decimal 81497269
12 Duodecimal 23362931
16 Hexadecimal 4db8cb5
20 Vigesimal 1597339
36 Base36 1cirp1

Cryptographic Hash Functions

md5 5afa572f91c8a6ff8720e8a7f0cc10c2
sha1 3cd0b923b1bb3acc8d01f891f84d0045a19f11ec
sha256 d43442d22e9462017ea9e0ba8e06ae3ecd010b1f14db4564e4d835a35cc27d81
sha512 5373c80b8d0ef9757e07124da2865a76d38f2fa52fddb3cc8370c1d8860813091be97e693442226f428ed315ad1cd5d285d31c9ffe9c68167d2e309d443f982e
ripemd-160 37a3b6f8824ccc31079a5643ff6a65ccada1d6fe

81497269 as geometric shapes

Circle

Radius = n
Diameter 162994538
Circumference 512062443.15606
Area 2.0865845337343E+16

Sphere

Radius = n
Volume 2.2673458804932E+24
Surface area 8.3463381349374E+16
Circumference 512062443.15606

Square

Length = n
Perimeter 325989076
Area 6641804854458361
Diagonal 115254543.11617

Cube

Length = n
Surface area 39850829126750166
Volume 5.412889568693E+23
Space diagonal 141157410.58611

Equilateral Triangle

Length = n
Perimeter 244491807
Area 2.8759858654699E+15
Altitude 70578705.293054

Triangular Pyramid

Length = n
Surface area 2.8759858654699E+15
Volume 6.3791515330612E+22
Height 38418181.038723