81742057 (number)

81742057 is an odd 8-digits composite number following 81742056 and preceding 81742058. In scientific notation, it is written as 8.1742057 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 81450880 positive integers (up to 81742057) that are relatively prime to 81742057.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1742057 × 10^7
Engineering notation 8.1742057 × 10^6

Prime Factorization of 81742057

Prime Factorization 281 × 290897

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81742057
Product of the distinct prime numbers

The prime factorization of 81742057 is 281 × 290897. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81742057)

Multiplication

n×y
n×2 163484114
n×3 245226171
n×4 326968228
n×5 408710285

Division

n÷y
n÷2 40871028.5
n÷3 27247352.333333
n÷3 20435514.25
n÷5 16348411.4

Exponentiation

ny
n2 6681763882591249
n3 5.4618112415132E+23
n4 4.4645968582701E+31
n5 3.6494533087073E+39

Nth Root

y√n
2√n 9041.1314004388
3√n 433.992130008
4√n 95.084864202663
5√n 38.237466760588

Divisors of 81742057

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81742056
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81742057 can be divided by 4 positive divisors. The sum of these divisors (counting 81742057) is 1, the average is 0.25.

Base conversion 81742057

Base System Value
2 Binary 100110111110100100011101001
3 Ternary 12200210221000121
4 Quaternary 10313310203221
5 Quinary 131411221212
6 Senary 12040003241
8 Octal 467644351
10 Decimal 81742057
12 Duodecimal 23460521
16 Hexadecimal 4df48e9
20 Vigesimal 15ahf2h
36 Base36 1co0kp

Cryptographic Hash Functions

md5 b1adaf970be4c1a2ba3ccc216d720856
sha1 525e5b80bdd47bd453ae379ebf5664cf9c9b455e
sha256 38ada675c16a357e04ca405b90a9e3da7a74efa46e4de18f3b0bc6df20939e5a
sha512 62fc78baed0f019c54f3e91e751c5ac0f574e8a6bfdcf4a027a62b4485c3ed7c3af75ddbb48202e02b7def80607d2d75d0f9f98ed3a93f902fe1ec78c9ecfa0c
ripemd-160 6cf730e426fd28cfb334112d01355900b56bfff6

81742057 as geometric shapes

Circle

Radius = n
Diameter 163484114
Circumference 513600491.52104
Area 2.099138032657E+16

Sphere

Radius = n
Volume 2.2878381428842E+24
Surface area 8.3965521306281E+16
Circumference 513600491.52104

Square

Length = n
Perimeter 326968228
Area 6681763882591249
Diagonal 115600725.62567

Cube

Length = n
Surface area 40090583295547494
Volume 5.4618112415132E+23
Space diagonal 141581395.83919

Equilateral Triangle

Length = n
Perimeter 245226171
Area 2.8932886322067E+15
Altitude 70790697.919596

Triangular Pyramid

Length = n
Surface area 2.8932886322067E+15
Volume 6.4368062773914E+22
Height 38533575.208558