81323265 (number)

81323265 is an odd 8-digits composite number following 81323264 and preceding 81323266. In scientific notation, it is written as 8.1323265 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 42973632 positive integers (up to 81323265) that are relatively prime to 81323265.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred twenty-three thousand two hundred sixty-five

Notation

Scientific notation 8.1323265 × 10^7
Engineering notation 8.1323265 × 10^6

Prime Factorization of 81323265

Prime Factorization 3 × 109 × 5 × 49739

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81323265
Product of the distinct prime numbers

The prime factorization of 81323265 is 3 × 109 × 5 × 49739. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 27, 38, 354, 229, 5241, 6995, 33669, 34472, 312256, 543660, 3025025, 3149592, 69994240, 61429622, 377554105, 991526236, 8534764222, 7078630687

Basic calculations (n = 81323265)

Multiplication

n×y
n×2 162646530
n×3 243969795
n×4 325293060
n×5 406616325

Division

n÷y
n÷2 40661632.5
n÷3 27107755
n÷3 20330816.25
n÷5 16264653

Exponentiation

ny
n2 6613473430260225
n3 5.3782925233951E+23
n4 4.3738030812758E+31
n5 3.5569194703641E+39

Nth Root

y√n
2√n 9017.9412839073
3√n 433.24969819178
4√n 94.962841595581
5√n 38.198205542755

Divisors of 81323265

1, 3, 5, 15, 109, 327, 545, 1635, 49739, 149217, 248695, 746085, 5421551, 16264653, 27107755, 81323265

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 -81323264
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 81323265 can be divided by 16 positive divisors. The sum of these divisors (counting 81323265) is 1, the average is 0.0625.

Base conversion 81323265

Base System Value
2 Binary 100110110001110010100000001
3 Ternary 12200000122112210
4 Quaternary 10312032110001
5 Quinary 131304321030
6 Senary 12023012333
8 Octal 466162401
10 Decimal 81323265
12 Duodecimal 2329a0a9
16 Hexadecimal 4d8e501
20 Vigesimal 1585835
36 Base36 1cf1fl

Cryptographic Hash Functions

md5 d801b54fc103a9c58b6f01c6907b0e55
sha1 67cb98f306ea347b9549e3a8dc78325171e93f1f
sha256 63f6f93c35da8bfe6fd9d8c6c46da8e07de69f69ad1195f7257a60876fd436da
sha512 c3f2fa8bc652a3cc094fea3f21a432f91c196e2dbca63f3445d7765e762627dd0abec70cea821afd37a71a174146e43a2b38b42b7e59a2fa6ecca03648c84cc3
ripemd-160 70de67c871fa72d8e9bce2b0f68f1072119cbd7f

81323265 as geometric shapes

Circle

Radius = n
Diameter 162646530
Circumference 510969143.77987
Area 2.0776839543217E+16

Sphere

Radius = n
Volume 2.2528539040473E+24
Surface area 8.3107358172867E+16
Circumference 510969143.77987

Square

Length = n
Perimeter 325293060
Area 6613473430260225
Diagonal 115008464.29946

Cube

Length = n
Surface area 39680840581561350
Volume 5.3782925233951E+23
Space diagonal 140856026.81739

Equilateral Triangle

Length = n
Perimeter 243969795
Area 2.8637179989294E+15
Altitude 70428013.408694

Triangular Pyramid

Length = n
Surface area 2.8637179989294E+15
Volume 6.3383785241627E+22
Height 38336154.766487