81402057 (number)

81402057 is an odd 8-digits composite number following 81402056 and preceding 81402058. In scientific notation, it is written as 8.1402057 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 49334400 positive integers (up to 81402057) that are relatively prime to 81402057.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred two thousand fifty-seven

Notation

Scientific notation 8.1402057 × 10^7
Engineering notation 8.1402057 × 10^6

Prime Factorization of 81402057

Prime Factorization 9 × 3 × 11 × 274081

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81402057
Product of the distinct prime numbers

The prime factorization of 81402057 is 9 × 3 × 11 × 274081. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 9, 12, 27, 687, 298, 3965, 3790, 52403, 42858, 482290, 854816, 3820588, 3071897, 82142752, 37071075, 492251661, 682010440, 6019132332, 8977934536

Basic calculations (n = 81402057)

Multiplication

n×y
n×2 162804114
n×3 244206171
n×4 325608228
n×5 407010285

Division

n÷y
n÷2 40701028.5
n÷3 27134019
n÷3 20350514.25
n÷5 16280411.4

Exponentiation

ny
n2 6626294883831249
n3 5.3939403383244E+23
n4 4.3907783887488E+31
n5 3.574183926753E+39

Nth Root

y√n
2√n 9022.308850843
3√n 433.38957448859
4√n 94.985835001031
5√n 38.205604525754

Divisors of 81402057

1, 3, 9, 11, 27, 33, 99, 297, 274081, 822243, 2466729, 3014891, 7400187, 9044673, 27134019, 81402057

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 -81402056
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 81402057 can be divided by 16 positive divisors. The sum of these divisors (counting 81402057) is 1, the average is 0.0625.

Base conversion 81402057

Base System Value
2 Binary 100110110100001100011001001
3 Ternary 12200011122122000
4 Quaternary 10312201203021
5 Quinary 131314331212
6 Senary 12024421213
8 Octal 466414311
10 Decimal 81402057
12 Duodecimal 23317809
16 Hexadecimal 4da18c9
20 Vigesimal 158f52h
36 Base36 1cgq89

Cryptographic Hash Functions

md5 c9ad6570fd3d6a1aa87782ee840b8664
sha1 4d57453056cdd49ede8d9f538c1bb9d85a1b82a6
sha256 0359740a2b4bd784bb2935ad31f6023514964f505ca2970fac4122e2ae3e0c32
sha512 f8d524f549adce9d22004b88e9b61429f20d6cb82769c67e5db783b8a63de9b500d75b04ee81451da5f9d1d7868cec5f928f4357af72700c9752535a05301895
ripemd-160 143d0a6695498536676ee59dd6fad265ab487ceb

81402057 as geometric shapes

Circle

Radius = n
Diameter 162804114
Circumference 511464208.5166
Area 2.0817119327564E+16

Sphere

Radius = n
Volume 2.2594084454375E+24
Surface area 8.3268477310256E+16
Circumference 511464208.5166

Square

Length = n
Perimeter 325608228
Area 6626294883831249
Diagonal 115119893.01447

Cube

Length = n
Surface area 39757769302987494
Volume 5.3939403383244E+23
Space diagonal 140992498.56462

Equilateral Triangle

Length = n
Perimeter 244206171
Area 2.8692698511824E+15
Altitude 70496249.282309

Triangular Pyramid

Length = n
Surface area 2.8692698511824E+15
Volume 6.3568196509081E+22
Height 38373297.671489