81380462 (number)

81380462 is an even 8-digits composite number following 81380461 and preceding 81380463. In scientific notation, it is written as 8.1380462 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 38296672 positive integers (up to 81380462) that are relatively prime to 81380462.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred eighty thousand four hundred sixty-two

Notation

Scientific notation 8.1380462 × 10^7
Engineering notation 8.1380462 × 10^6

Prime Factorization of 81380462

Prime Factorization 2 × 17 × 2393543

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81380462
Product of the distinct prime numbers

The prime factorization of 81380462 is 2 × 17 × 2393543. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81380462)

Multiplication

n×y
n×2 162760924
n×3 244141386
n×4 325521848
n×5 406902310

Division

n÷y
n÷2 40690231
n÷3 27126820.666667
n÷3 20345115.5
n÷5 16276092.4

Exponentiation

ny
n2 6622779595333444
n3 5.3896486319241E+23
n4 4.3861209568365E+31
n5 3.5694454985524E+39

Nth Root

y√n
2√n 9021.1120157107
3√n 433.35124672825
4√n 94.979534720437
5√n 38.203577211888

Divisors of 81380462

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81380461
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81380462 can be divided by 8 positive divisors. The sum of these divisors (counting 81380462) is 1, the average is 0.125.

Base conversion 81380462

Base System Value
2 Binary 100110110011100010001101110
3 Ternary 12200010120000012
4 Quaternary 10312130101232
5 Quinary 131313133322
6 Senary 12024133222
8 Octal 466342156
10 Decimal 81380462
12 Duodecimal 23307212
16 Hexadecimal 4d9c46e
20 Vigesimal 158cb32
36 Base36 1cg9ke

Cryptographic Hash Functions

md5 69c6064bfd14a5409b8bb6d94e9623a2
sha1 ae0488e91d180439a2d2673d3b4ff848bbd66e09
sha256 b05ee8f4d80b0a31648801d0a787525b0e96c2c89eb6eec7966b29055743f19e
sha512 98d6b6a584866334042e334a305a11179ccc3ef958ceb4cef629ffe586f959f0935354183a512c32b3fdfa2796c9e24714c6c48c0f9277846ad28d655b2ba679
ripemd-160 f757e1fba018b061160f26713ac78cf40b8bfae8

81380462 as geometric shapes

Circle

Radius = n
Diameter 162760924
Circumference 511328523.12989
Area 2.0806075723044E+16

Sphere

Radius = n
Volume 2.2576107396644E+24
Surface area 8.3224302892176E+16
Circumference 511328523.12989

Square

Length = n
Perimeter 325521848
Area 6622779595333444
Diagonal 115089353.07259

Cube

Length = n
Surface area 39736677572000664
Volume 5.3896486319241E+23
Space diagonal 140955094.92743

Equilateral Triangle

Length = n
Perimeter 244141386
Area 2.867747686612E+15
Altitude 70477547.463714

Triangular Pyramid

Length = n
Surface area 2.867747686612E+15
Volume 6.3517618264105E+22
Height 38363117.690863