81707040 (number)

81707040 is an even 8-digits composite number following 81707039 and preceding 81707041. In scientific notation, it is written as 8.1707040 × 10^7. The sum of its digits is 27. It has a total of 8 prime factors and 48 positive divisors. There are 20832768 positive integers (up to 81707040) that are relatively prime to 81707040.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred seven thousand forty

Notation

Scientific notation 8.1707040 × 10^7
Engineering notation 8.1707040 × 10^6

Prime Factorization of 81707040

Prime Factorization 2 × 2 × 2 × 2 × 2 × 45 × 23 × 2467

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 5106690
Product of the distinct prime numbers

The prime factorization of 81707040 is 2 × 2 × 2 × 2 × 2 × 45 × 23 × 2467. Since it has a total of 8 prime factors.

Most popular turbo-numbers

4, 1, 1, 71, 7, 336, 6806, 8727, 37259, 82730, 981565, 571417, 2154558, 8241958, 73883034, 26647711, 746815308, 206262838, 1261439303, 3524539807

Basic calculations (n = 81707040)

Multiplication

n×y
n×2 163414080
n×3 245121120
n×4 326828160
n×5 408535200

Division

n÷y
n÷2 40853520
n÷3 27235680
n÷3 20426760
n÷5 16341408

Exponentiation

ny
n2 6676040385561600
n3 5.454794988247E+23
n4 4.4569515229649E+31
n5 3.6416431636496E+39

Nth Root

y√n
2√n 9039.1946543926
3√n 433.93014937625
4√n 95.074679354666
5√n 38.234190134289

Divisors of 81707040

1, 2, 4, 8, 16, 23, 32, 45, 46, 90, 92, 180, 184, 360, 368, 720, 736, 1035, 1440, 2070, 2467, 4140, 4934, 8280, 9868, 16560, 19736, 33120, 39472, 56741, 78944, 111015, 113482, 222030, 226964, 444060, 453928, 888120, 907856, 1776240, 1815712, 2553345, 3552480, 5106690, 10213380, 20426760, 40853520, 81707040

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81707039
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81707040 can be divided by 48 positive divisors. The sum of these divisors (counting 81707040) is 1, the average is 0.020833333333333.

Base conversion 81707040

Base System Value
2 Binary 100110111101100000000100000
3 Ternary 12200202010222200
4 Quaternary 10313230000200
5 Quinary 131404111130
6 Senary 12035133200
8 Octal 467540040
10 Decimal 81707040
12 Duodecimal 23444200
16 Hexadecimal 4dec020
20 Vigesimal 15ad7c0
36 Base36 1cn9k0

Cryptographic Hash Functions

md5 e41bdc1f106c0e9c2c123d5e6aca2990
sha1 1b69400eceda053012b08272f0674b09d98cf80e
sha256 f7fe70aac17062c98afbff4de38c30a615ac2088159ed7fc8a3cfd45992c4774
sha512 46fbda55e9c1c27e02c6d0eab050923c660e04157f22e8f645253984e4450e05bf076c194595baa909f019b58f89aa32dcbb59f1673669d4eed0622962bd4e6b
ripemd-160 ba4015edc69d4a93ad5cd8a65efa3b708c84018f

81707040 as geometric shapes

Circle

Radius = n
Diameter 163414080
Circumference 513380473.22113
Area 2.0973399430349E+16

Sphere

Radius = n
Volume 2.2848991815887E+24
Surface area 8.3893597721396E+16
Circumference 513380473.22113

Square

Length = n
Perimeter 326828160
Area 6676040385561600
Diagonal 115551204.10936

Cube

Length = n
Surface area 40056242313369600
Volume 5.454794988247E+23
Space diagonal 141520744.61606

Equilateral Triangle

Length = n
Perimeter 245121120
Area 2.8908102852936E+15
Altitude 70760372.308031

Triangular Pyramid

Length = n
Surface area 2.8908102852936E+15
Volume 6.4285375436197E+22
Height 38517068.036454