81636963 (number)

81636963 is an odd 8-digits composite number following 81636962 and preceding 81636964. In scientific notation, it is written as 8.1636963 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 53688320 positive integers (up to 81636963) that are relatively prime to 81636963.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1636963 × 10^7
Engineering notation 8.1636963 × 10^6

Prime Factorization of 81636963

Prime Factorization 3 × 113 × 281 × 857

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81636963
Product of the distinct prime numbers

The prime factorization of 81636963 is 3 × 113 × 281 × 857. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81636963)

Multiplication

n×y
n×2 163273926
n×3 244910889
n×4 326547852
n×5 408184815

Division

n÷y
n÷2 40818481.5
n÷3 27212321
n÷3 20409240.75
n÷5 16327392.6

Exponentiation

ny
n2 6664593727863369
n3 5.4407719157161E+23
n4 4.4416809557476E+31
n5 3.6260534384217E+39

Nth Root

y√n
2√n 9035.3175373088
3√n 433.80605880164
4√n 95.054287316821
5√n 38.227629482963

Divisors of 81636963

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 -81636962
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 81636963 can be divided by 16 positive divisors. The sum of these divisors (counting 81636963) is 1, the average is 0.0625.

Base conversion 81636963

Base System Value
2 Binary 100110111011010111001100011
3 Ternary 12200121120212020
4 Quaternary 10313122321203
5 Quinary 131344340323
6 Senary 12033432523
8 Octal 467327143
10 Decimal 81636963
12 Duodecimal 2340b743
16 Hexadecimal 4ddae63
20 Vigesimal 15a4c83
36 Base36 1clrhf

Cryptographic Hash Functions

md5 3f0517e79e23ae03333026abce23ed00
sha1 a6d31bf268b1141fd669acd1e9c0df8c60dfaee2
sha256 1c71d09194d7605bf99fbe27363ff66430a0080427a0bb87d1ae732b9e525de0
sha512 4f87f5db2de37df693be840eeb644d7c32d2648d78f4160d40e21757f4568f70b645bb0a25b34ca2b45e41c0e7a6c78e253c3fb02cd3feeebc72dfbfc2fb8346
ripemd-160 6380064d4b2f2f97868763482ec0e49359df5a36

81636963 as geometric shapes

Circle

Radius = n
Diameter 163273926
Circumference 512940166.44436
Area 2.0937438694616E+16

Sphere

Radius = n
Volume 2.2790252107029E+24
Surface area 8.3749754778465E+16
Circumference 512940166.44436

Square

Length = n
Perimeter 326547852
Area 6664593727863369
Diagonal 115452100.26555

Cube

Length = n
Surface area 39987562367180214
Volume 5.4407719157161E+23
Space diagonal 141399367.69162

Equilateral Triangle

Length = n
Perimeter 244910889
Area 2.8858537371161E+15
Altitude 70699683.84581

Triangular Pyramid

Length = n
Surface area 2.8858537371161E+15
Volume 6.4120111941537E+22
Height 38484033.42185