81497358 (number)

81497358 is an even 8-digits composite number following 81497357 and preceding 81497359. In scientific notation, it is written as 8.1497358 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 26652912 positive integers (up to 81497358) that are relatively prime to 81497358.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-seven thousand three hundred fifty-eight

Notation

Scientific notation 8.1497358 × 10^7
Engineering notation 8.1497358 × 10^6

Prime Factorization of 81497358

Prime Factorization 2 × 9 × 53 × 85427

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81497358
Product of the distinct prime numbers

The prime factorization of 81497358 is 2 × 9 × 53 × 85427. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81497358)

Multiplication

n×y
n×2 162994716
n×3 244492074
n×4 325989432
n×5 407486790

Division

n÷y
n÷2 40748679
n÷3 27165786
n÷3 20374339.5
n÷5 16299471.6

Exponentiation

ny
n2 6641819360980164
n3 5.4129073023313E+23
n4 4.4113764423891E+31
n5 3.5951552519815E+39

Nth Root

y√n
2√n 9027.5887146015
3√n 433.55863799726
4√n 95.013623836803
5√n 38.214546138682

Divisors of 81497358

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 -81497357
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 81497358 can be divided by 16 positive divisors. The sum of these divisors (counting 81497358) is 1, the average is 0.0625.

Base conversion 81497358

Base System Value
2 Binary 100110110111000110100001110
3 Ternary 12200100111100200
4 Quaternary 10312320310032
5 Quinary 131330403413
6 Senary 12030434330
8 Octal 466706416
10 Decimal 81497358
12 Duodecimal 233629a6
16 Hexadecimal 4db8d0e
20 Vigesimal 159737i
36 Base36 1cirri

Cryptographic Hash Functions

md5 98faf67900de04582962af96b18f0055
sha1 2d6d35ae8321d6136ea341f5c9f39129a4e97f04
sha256 20b2e8cd32f6834d359b8bb60b61e013cc446a8a90ac6acd8c72ec3307ae0329
sha512 b0891549b4379fe1bd9c8e04cb0da05954c4870dea559a71357d65f479525562e07abb9848a6463a04c39e71c9d1c7fd06046a30367f7b90794045bdf920d9c0
ripemd-160 defe495f0a6007dd0bf9362f79173e43a0cb763a

81497358 as geometric shapes

Circle

Radius = n
Diameter 162994716
Circumference 512063002.35955
Area 2.0865890910926E+16

Sphere

Radius = n
Volume 2.2673533087422E+24
Surface area 8.3463563643703E+16
Circumference 512063002.35955

Square

Length = n
Perimeter 325989432
Area 6641819360980164
Diagonal 115254668.98118

Cube

Length = n
Surface area 39850916165880984
Volume 5.4129073023313E+23
Space diagonal 141157564.73863

Equilateral Triangle

Length = n
Perimeter 244492074
Area 2.8759921469781E+15
Altitude 70578782.369315

Triangular Pyramid

Length = n
Surface area 2.8759921469781E+15
Volume 6.3791724323544E+22
Height 38418222.993725