81738401 (number)

81738401 is an odd 8-digits composite number following 81738400 and preceding 81738402. In scientific notation, it is written as 8.1738401 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 80476000 positive integers (up to 81738401) that are relatively prime to 81738401.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirty-eight thousand four hundred one

Notation

Scientific notation 8.1738401 × 10^7
Engineering notation 8.1738401 × 10^6

Prime Factorization of 81738401

Prime Factorization 89 × 251 × 3659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81738401
Product of the distinct prime numbers

The prime factorization of 81738401 is 89 × 251 × 3659. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81738401)

Multiplication

n×y
n×2 163476802
n×3 245215203
n×4 326953604
n×5 408692005

Division

n÷y
n÷2 40869200.5
n÷3 27246133.666667
n÷3 20434600.25
n÷5 16347680.2

Exponentiation

ny
n2 6681166198036801
n3 5.4610784184278E+23
n4 4.463798176579E+31
n5 3.6486372534028E+39

Nth Root

y√n
2√n 9040.9292110933
3√n 433.98565965911
4√n 95.083800992037
5√n 38.237124712235

Divisors of 81738401

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 -81738400
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 81738401 can be divided by 8 positive divisors. The sum of these divisors (counting 81738401) is 1, the average is 0.125.

Base conversion 81738401

Base System Value
2 Binary 100110111110011101010100001
3 Ternary 12200210202000012
4 Quaternary 10313303222201
5 Quinary 131411112101
6 Senary 12035534305
8 Octal 467635241
10 Decimal 81738401
12 Duodecimal 2345a395
16 Hexadecimal 4df3aa1
20 Vigesimal 15ah601
36 Base36 1cnxr5

Cryptographic Hash Functions

md5 b1fe353b805275b6c09da4a51de37430
sha1 fff50a1dbaa24f0936a72e086e2882a6f9d5fb74
sha256 cef35f6001b96a905f9a5c6b9645cc2611b65d99666587321b54b480749484a3
sha512 bd6dfc2139fbbc45bd3f2fbf9f23102d0e3a12b1fed876e36bbbe526a06d2125c3c6f43718038494114825cd548df1af0f3c1b5f376f27f78ba51af503dce53a
ripemd-160 7847bf704e26a096f878364e974bd1c1b8c0775c

81738401 as geometric shapes

Circle

Radius = n
Diameter 163476802
Circumference 513577520.19555
Area 2.0989502645165E+16

Sphere

Radius = n
Volume 2.2875311786681E+24
Surface area 8.3958010580659E+16
Circumference 513577520.19555

Square

Length = n
Perimeter 326953604
Area 6681166198036801
Diagonal 115595555.26089

Cube

Length = n
Surface area 40086997188220806
Volume 5.4610784184278E+23
Space diagonal 141575063.46144

Equilateral Triangle

Length = n
Perimeter 245215203
Area 2.8930298272029E+15
Altitude 70787531.730719

Triangular Pyramid

Length = n
Surface area 2.8930298272029E+15
Volume 6.435942637103E+22
Height 38531851.75363