81738406 (number)

81738406 is an even 8-digits composite number following 81738405 and preceding 81738407. In scientific notation, it is written as 8.1738406 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 40806528 positive integers (up to 81738406) that are relatively prime to 81738406.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1738406 × 10^7
Engineering notation 8.1738406 × 10^6

Prime Factorization of 81738406

Prime Factorization 2 × 659 × 62017

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81738406
Product of the distinct prime numbers

The prime factorization of 81738406 is 2 × 659 × 62017. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81738406)

Multiplication

n×y
n×2 163476812
n×3 245215218
n×4 326953624
n×5 408692030

Division

n÷y
n÷2 40869203
n÷3 27246135.333333
n÷3 20434601.5
n÷5 16347681.2

Exponentiation

ny
n2 6681167015420836
n3 5.4610794206028E+23
n4 4.4637992687947E+31
n5 3.6486383693525E+39

Nth Root

y√n
2√n 9040.9294876135
3√n 433.98566850818
4√n 95.083802446124
5√n 38.237125180034

Divisors of 81738406

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 -81738405
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 81738406 can be divided by 8 positive divisors. The sum of these divisors (counting 81738406) is 1, the average is 0.125.

Base conversion 81738406

Base System Value
2 Binary 100110111110011101010100110
3 Ternary 12200210202000101
4 Quaternary 10313303222212
5 Quinary 131411112111
6 Senary 12035534314
8 Octal 467635246
10 Decimal 81738406
12 Duodecimal 2345a39a
16 Hexadecimal 4df3aa6
20 Vigesimal 15ah606
36 Base36 1cnxra

Cryptographic Hash Functions

md5 394feac586ff983e0f021ca0d0426269
sha1 cba620b240ea6e7726ed45cd821c6ff57816f514
sha256 b3a11157bb6be5b8f9a741bde05db8477046899279058cecc6bd18e02c5cb2bd
sha512 bc93308009f426f2f69b6d1427847bb6a79987fc7862a8166b0a1b6294bb7e5941e8c254ff038120df0360c8322003b1f7ce277216aa327a45459140b5500825
ripemd-160 a23ab339414340d1d7c4ff95d1ad1e2b6b83020e

81738406 as geometric shapes

Circle

Radius = n
Diameter 163476812
Circumference 513577551.61148
Area 2.0989505213053E+16

Sphere

Radius = n
Volume 2.2875315984581E+24
Surface area 8.395802085221E+16
Circumference 513577551.61148

Square

Length = n
Perimeter 326953624
Area 6681167015420836
Diagonal 115595562.33196

Cube

Length = n
Surface area 40087002092525016
Volume 5.4610794206028E+23
Space diagonal 141575072.12169

Equilateral Triangle

Length = n
Perimeter 245215218
Area 2.8930301811406E+15
Altitude 70787536.060846

Triangular Pyramid

Length = n
Surface area 2.8930301811406E+15
Volume 6.4359438181775E+22
Height 38531854.110653