81738355 (number)

81738355 is an odd 8-digits composite number following 81738354 and preceding 81738356. In scientific notation, it is written as 8.1738355 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 65390680 positive integers (up to 81738355) that are relatively prime to 81738355.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirty-eight thousand three hundred fifty-five

Notation

Scientific notation 8.1738355 × 10^7
Engineering notation 8.1738355 × 10^6

Prime Factorization of 81738355

Prime Factorization 5 × 16347671

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81738355
Product of the distinct prime numbers

The prime factorization of 81738355 is 5 × 16347671. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81738355)

Multiplication

n×y
n×2 163476710
n×3 245215065
n×4 326953420
n×5 408691775

Division

n÷y
n÷2 40869177.5
n÷3 27246118.333333
n÷3 20434588.75
n÷5 16347671

Exponentiation

ny
n2 6681158678106025
n3 5.4610691984236E+23
n4 4.4637881282031E+31
n5 3.6486269866785E+39

Nth Root

y√n
2√n 9040.9266671066
3√n 433.98557824758
4√n 95.083787614433
5√n 38.237120408486

Divisors of 81738355

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81738354
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81738355 can be divided by 4 positive divisors. The sum of these divisors (counting 81738355) is 1, the average is 0.25.

Base conversion 81738355

Base System Value
2 Binary 100110111110011101001110011
3 Ternary 12200210201221111
4 Quaternary 10313303221303
5 Quinary 131411111410
6 Senary 12035534151
8 Octal 467635163
10 Decimal 81738355
12 Duodecimal 2345a357
16 Hexadecimal 4df3a73
20 Vigesimal 15ah5hf
36 Base36 1cnxpv

Cryptographic Hash Functions

md5 90810d6ea4b974c08d2d212490cdcd84
sha1 bfb5eb258f3b51fc19213a15cc5f5d1da2b7d30e
sha256 54a7f9f55b615a3a80958395a8367aa16c8f37bc7cef12c91a00f35d3c51e7ef
sha512 e344d99748b4231179763994916bbf7ed0521a9d469feff28b63c892ec9302ef9767c7f339dee63a2dbe0ab1b08339c8b2e99a633ab327b3c7b77a7e4ffd5f9b
ripemd-160 ed34d9cdab9fcac5f9acc5558e090adb60e9b1a3

81738355 as geometric shapes

Circle

Radius = n
Diameter 163476710
Circumference 513577231.16903
Area 2.0989479020606E+16

Sphere

Radius = n
Volume 2.2875273166017E+24
Surface area 8.3957916082422E+16
Circumference 513577231.16903

Square

Length = n
Perimeter 326953420
Area 6681158678106025
Diagonal 115595490.20707

Cube

Length = n
Surface area 40086952068636150
Volume 5.4610691984236E+23
Space diagonal 141574983.7871

Equilateral Triangle

Length = n
Perimeter 245215065
Area 2.8930265709773E+15
Altitude 70787491.893551

Triangular Pyramid

Length = n
Surface area 2.8930265709773E+15
Volume 6.4359317712239E+22
Height 38531830.069022