81617963 (number)

81617963 is an odd 8-digits composite number following 81617962 and preceding 81617964. In scientific notation, it is written as 8.1617963 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 69594624 positive integers (up to 81617963) that are relatively prime to 81617963.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred seventeen thousand nine hundred sixty-three

Notation

Scientific notation 8.1617963 × 10^7
Engineering notation 8.1617963 × 10^6

Prime Factorization of 81617963

Prime Factorization 7 × 193 × 60413

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81617963
Product of the distinct prime numbers

The prime factorization of 81617963 is 7 × 193 × 60413. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81617963)

Multiplication

n×y
n×2 163235926
n×3 244853889
n×4 326471852
n×5 408089815

Division

n÷y
n÷2 40808981.5
n÷3 27205987.666667
n÷3 20404490.75
n÷5 16323592.6

Exponentiation

ny
n2 6661491884269369
n3 5.436973981351E+23
n4 4.4375474124187E+31
n5 3.6218358051753E+39

Nth Root

y√n
2√n 9034.2660465585
3√n 433.7724018472
4√n 95.048756154715
5√n 38.225849915081

Divisors of 81617963

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 -81617962
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 81617963 can be divided by 8 positive divisors. The sum of these divisors (counting 81617963) is 1, the average is 0.125.

Base conversion 81617963

Base System Value
2 Binary 100110111010110010000101011
3 Ternary 12200120121210112
4 Quaternary 10313112100223
5 Quinary 131343233323
6 Senary 12033204535
8 Octal 467262053
10 Decimal 81617963
12 Duodecimal 2340074b
16 Hexadecimal 4dd642b
20 Vigesimal 15a24i3
36 Base36 1clctn

Cryptographic Hash Functions

md5 fceb051eb266e89b875252f76da63e08
sha1 42e8ccf9cf5ddd76488c9285db16bc18833c17d8
sha256 27fb7d6d9f8b74cf0db81a3a86e3696e5efcda23890681808227b4a941cf264f
sha512 ea2a45aeff370b2e949064250470634933c580c9d844644c39770f44048403836f31aac259c113932e4c56622aee8bc1f372bd0e3ecf43f921bc67351325b023
ripemd-160 af4bd8f3304c7de752c818868a8510c6a6344c28

81617963 as geometric shapes

Circle

Radius = n
Diameter 163235926
Circumference 512820785.92353
Area 2.0927693965569E+16

Sphere

Radius = n
Volume 2.2774343356761E+24
Surface area 8.3710775862275E+16
Circumference 512820785.92353

Square

Length = n
Perimeter 326471852
Area 6661491884269369
Diagonal 115425230.20787

Cube

Length = n
Surface area 39968951305616214
Volume 5.436973981351E+23
Space diagonal 141366458.72628

Equilateral Triangle

Length = n
Perimeter 244853889
Area 2.8845105994406E+15
Altitude 70683229.363138

Triangular Pyramid

Length = n
Surface area 2.8845105994406E+15
Volume 6.4075352855802E+22
Height 38475076.735955