81008053 (number)

81008053 is an odd 8-digits composite number following 81008052 and preceding 81008054. In scientific notation, it is written as 8.1008053 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 66873600 positive integers (up to 81008053) that are relatively prime to 81008053.

Interesting facts

Basic properties

Name

Name eighty-one million eight thousand fifty-three

Notation

Scientific notation 8.1008053 × 10^7
Engineering notation 8.1008053 × 10^6

Prime Factorization of 81008053

Prime Factorization 7 × 31 × 241 × 1549

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81008053
Product of the distinct prime numbers

The prime factorization of 81008053 is 7 × 31 × 241 × 1549. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 2, 92, 90, 137, 931, 2462, 6454, 47174, 23261, 623297, 927253, 329617, 6229157, 25511386, 97097506, 495295173, 25972308, 276747863, 4918483005

Basic calculations (n = 81008053)

Multiplication

n×y
n×2 162016106
n×3 243024159
n×4 324032212
n×5 405040265

Division

n÷y
n÷2 40504026.5
n÷3 27002684.333333
n÷3 20252013.25
n÷5 16201610.6

Exponentiation

ny
n2 6562304650850809
n3 5.3159952295827E+23
n4 4.3063842330578E+31
n5 3.4885180218991E+39

Nth Root

y√n
2√n 9000.4473777696
3√n 432.68920942668
4√n 94.870687663628
5√n 38.168547992436

Divisors of 81008053

1, 7, 31, 217, 241, 1549, 1687, 7471, 10843, 48019, 52297, 336133, 373309, 2613163, 11572579, 81008053

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 -81008052
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 81008053 can be divided by 16 positive divisors. The sum of these divisors (counting 81008053) is 1, the average is 0.0625.

Base conversion 81008053

Base System Value
2 Binary 100110101000001010110110101
3 Ternary 12122102122011021
4 Quaternary 10311001112311
5 Quinary 131214224203
6 Senary 12012141141
8 Octal 465012665
10 Decimal 81008053
12 Duodecimal 231677b1
16 Hexadecimal 4d415b5
20 Vigesimal 156602d
36 Base36 1c8a7p

Cryptographic Hash Functions

md5 2fbc373af032c073b44c2212e65ca7ee
sha1 7e9cfb933fd27e822846496c420dbb0137e12b9d
sha256 b9e5015d548c6428294491325bba308f611fa3fb883529a56585f5b79861403f
sha512 3a3a10ca6d2fd64a14cad6f70dbe5f856e1eb1c6526b91399c6edcfb22ac9c50972c412a586ce2196e49ea2adf232543e1d37de986a56fc293ea71f00b599d5c
ripemd-160 d7feaa6e56133faad94872c0623195d5ed780faa

81008053 as geometric shapes

Circle

Radius = n
Diameter 162016106
Circumference 508988608.37283
Area 2.0616088081731E+16

Sphere

Radius = n
Volume 2.2267588746367E+24
Surface area 8.2464352326924E+16
Circumference 508988608.37283

Square

Length = n
Perimeter 324032212
Area 6562304650850809
Diagonal 114562687.21404

Cube

Length = n
Surface area 39373827905104854
Volume 5.3159952295827E+23
Space diagonal 140310063.61823

Equilateral Triangle

Length = n
Perimeter 243024159
Area 2.8415612675048E+15
Altitude 70155031.809116

Triangular Pyramid

Length = n
Surface area 2.8415612675048E+15
Volume 6.2649604593221E+22
Height 38187562.404679