81708049 (number)

81708049 is an odd 8-digits composite number following 81708048 and preceding 81708050. In scientific notation, it is written as 8.1708049 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 81598500 positive integers (up to 81708049) that are relatively prime to 81708049.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred eight thousand forty-nine

Notation

Scientific notation 8.1708049 × 10^7
Engineering notation 8.1708049 × 10^6

Prime Factorization of 81708049

Prime Factorization 751 × 108799

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81708049
Product of the distinct prime numbers

The prime factorization of 81708049 is 751 × 108799. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81708049)

Multiplication

n×y
n×2 163416098
n×3 245124147
n×4 326832196
n×5 408540245

Division

n÷y
n÷2 40854024.5
n÷3 27236016.333333
n÷3 20427012.25
n÷5 16341609.8

Exponentiation

ny
n2 6676205271386401
n3 5.454997074485E+23
n4 4.4571716825688E+31
n5 3.6418680224074E+39

Nth Root

y√n
2√n 9039.2504667146
3√n 433.93193556962
4√n 95.074972872542
5√n 38.234284564603

Divisors of 81708049

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 -81708048
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 81708049 can be divided by 4 positive divisors. The sum of these divisors (counting 81708049) is 1, the average is 0.25.

Base conversion 81708049

Base System Value
2 Binary 100110111101100010000010001
3 Ternary 12200202012101001
4 Quaternary 10313230100101
5 Quinary 131404124144
6 Senary 12035142001
8 Octal 467542021
10 Decimal 81708049
12 Duodecimal 23444901
16 Hexadecimal 4dec411
20 Vigesimal 15ada29
36 Base36 1cnac1

Cryptographic Hash Functions

md5 e84c80560410d2b1abd3e88fab41c027
sha1 fbc0cb09296271211c0058ecbc07bed9f97ac40b
sha256 60d8059a33987b3f59a7779e8fceba31b2948c3570e24685bbcc06128cf31ba3
sha512 c59c14b70b23f7153f64d8a8bab53990c1242531b724622dd7476d74a048ebca8433cc1660e24ea9e1c9c8b93efcbd4bc26a8f8428247fbeb97d98b872179fe9
ripemd-160 4bbb1ce5f5bc36e6db48a5339cd25781eedb1d33

81708049 as geometric shapes

Circle

Radius = n
Diameter 163416098
Circumference 513386812.95511
Area 2.0973917434445E+16

Sphere

Radius = n
Volume 2.2849838312741E+24
Surface area 8.389566973778E+16
Circumference 513386812.95511

Square

Length = n
Perimeter 326832196
Area 6676205271386401
Diagonal 115552631.05085

Cube

Length = n
Surface area 40057231628318406
Volume 5.454997074485E+23
Space diagonal 141522492.25533

Equilateral Triangle

Length = n
Perimeter 245124147
Area 2.8908816829501E+15
Altitude 70761246.127664

Triangular Pyramid

Length = n
Surface area 2.8908816829501E+15
Volume 6.4287757045352E+22
Height 38517543.683615