81008039 (number)

81008039 is an odd 8-digits composite number following 81008038 and preceding 81008040. In scientific notation, it is written as 8.1008039 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 65778912 positive integers (up to 81008039) that are relatively prime to 81008039.

Interesting facts

Basic properties

Name

Name eighty-one million eight thousand thirty-nine

Notation

Scientific notation 8.1008039 × 10^7
Engineering notation 8.1008039 × 10^6

Prime Factorization of 81008039

Prime Factorization 7 × 19 × 19 × 32057

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4263581
Product of the distinct prime numbers

The prime factorization of 81008039 is 7 × 19 × 19 × 32057. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 83, 89, 381, 493, 2612, 7306, 22988, 98206, 415133, 389567, 8041635, 1976768, 16744981, 70768168, 939498805, 521622070, 3641218146, 1031796296

Basic calculations (n = 81008039)

Multiplication

n×y
n×2 162016078
n×3 243024117
n×4 324032156
n×5 405040195

Division

n÷y
n÷2 40504019.5
n÷3 27002679.666667
n÷3 20252009.75
n÷5 16201607.8

Exponentiation

ny
n2 6562302382625521
n3 5.3159924734152E+23
n4 4.3063812561013E+31
n5 3.4885150074312E+39

Nth Root

y√n
2√n 9000.4466000305
3√n 432.68918450056
4√n 94.870683564684
5√n 38.168546673161

Divisors of 81008039

1, 7, 19, 133, 361, 2527, 32057, 224399, 609083, 4263581, 11572577, 81008039

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81008038
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81008039 can be divided by 12 positive divisors. The sum of these divisors (counting 81008039) is 1, the average is 0.083333333333333.

Base conversion 81008039

Base System Value
2 Binary 100110101000001010110100111
3 Ternary 12122102122010202
4 Quaternary 10311001112213
5 Quinary 131214224124
6 Senary 12012141115
8 Octal 465012647
10 Decimal 81008039
12 Duodecimal 2316779b
16 Hexadecimal 4d415a7
20 Vigesimal 156601j
36 Base36 1c8a7b

Cryptographic Hash Functions

md5 2a22b11b535679ca3e070312dc5382ee
sha1 178a482234a690189116dcc510ab639d6797aba6
sha256 bf670ed24576ef6490bcc7ed9d33e3d54d82857f7faa92b76a6aaec85090eb1e
sha512 99e14cf0536de9948bf4f39d5075b8b2af22019a8ef1db868a6770fa375e022bdcd3308741a74cef7e647d57a3e901bbf064aeb0169933fdbea5f80a4576bb15
ripemd-160 2937df26e003c5ab2630195379089c7679f2afe0

81008039 as geometric shapes

Circle

Radius = n
Diameter 162016078
Circumference 508988520.40823
Area 2.0616080955891E+16

Sphere

Radius = n
Volume 2.226757720136E+24
Surface area 8.2464323823565E+16
Circumference 508988520.40823

Square

Length = n
Perimeter 324032156
Area 6562302382625521
Diagonal 114562667.41505

Cube

Length = n
Surface area 39373814295753126
Volume 5.3159924734152E+23
Space diagonal 140310039.36952

Equilateral Triangle

Length = n
Perimeter 243024117
Area 2.8415602853344E+15
Altitude 70155019.684761

Triangular Pyramid

Length = n
Surface area 2.8415602853344E+15
Volume 6.2649572111476E+22
Height 38187555.805016