81497698 (number)

81497698 is an even 8-digits composite number following 81497697 and preceding 81497699. In scientific notation, it is written as 8.1497698 × 10^7. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 39434340 positive integers (up to 81497698) that are relatively prime to 81497698.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1497698 × 10^7
Engineering notation 8.1497698 × 10^6

Prime Factorization of 81497698

Prime Factorization 2 × 31 × 1314479

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81497698
Product of the distinct prime numbers

The prime factorization of 81497698 is 2 × 31 × 1314479. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81497698)

Multiplication

n×y
n×2 162995396
n×3 244493094
n×4 325990792
n×5 407488490

Division

n÷y
n÷2 40748849
n÷3 27165899.333333
n÷3 20374424.5
n÷5 16299539.6

Exponentiation

ny
n2 6641874779299204
n3 5.4129750491714E+23
n4 4.4114500583891E+31
n5 3.5952302460068E+39

Nth Root

y√n
2√n 9027.6075457454
3√n 433.55924091959
4√n 95.013722933824
5√n 38.214578024192

Divisors of 81497698

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 -81497697
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 81497698 can be divided by 8 positive divisors. The sum of these divisors (counting 81497698) is 1, the average is 0.125.

Base conversion 81497698

Base System Value
2 Binary 100110110111000111001100010
3 Ternary 12200100111211021
4 Quaternary 10312320321202
5 Quinary 131330411243
6 Senary 12030440054
8 Octal 466707142
10 Decimal 81497698
12 Duodecimal 2336302a
16 Hexadecimal 4db8e62
20 Vigesimal 159744i
36 Base36 1cis0y

Cryptographic Hash Functions

md5 deee3b70967b14d3e5ed6e611d0af45f
sha1 3991a14d0cc85a46a342365809193d8c71d5612f
sha256 9976606403ec96cde77dee6b203aefc462da253de4727cf1e371cd0d6f5a396d
sha512 fa4e47dd940a8562d65fb97da0bcb81901763c7077280ee861008406bb2122d3b00db15b8c4c541cff47be6119b386ff65f0cb733d9524f1cd33c99261c10d0e
ripemd-160 115f7373a7b8047479108697c48583b08bab08eb

81497698 as geometric shapes

Circle

Radius = n
Diameter 162995396
Circumference 512065138.64256
Area 2.086606501271E+16

Sphere

Radius = n
Volume 2.2673816864722E+24
Surface area 8.3464260050839E+16
Circumference 512065138.64256

Square

Length = n
Perimeter 325990792
Area 6641874779299204
Diagonal 115255149.81379

Cube

Length = n
Surface area 39851248675795224
Volume 5.4129750491714E+23
Space diagonal 141158153.6359

Equilateral Triangle

Length = n
Perimeter 244493094
Area 2.8760161438141E+15
Altitude 70579076.817952

Triangular Pyramid

Length = n
Surface area 2.8760161438141E+15
Volume 6.3792522727712E+22
Height 38418383.271262