81640277 (number)

81640277 is an odd 8-digits composite number following 81640276 and preceding 81640278. In scientific notation, it is written as 8.1640277 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 81597516 positive integers (up to 81640277) that are relatively prime to 81640277.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred forty thousand two hundred seventy-seven

Notation

Scientific notation 8.1640277 × 10^7
Engineering notation 8.1640277 × 10^6

Prime Factorization of 81640277

Prime Factorization 2003 × 40759

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81640277
Product of the distinct prime numbers

The prime factorization of 81640277 is 2003 × 40759. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81640277)

Multiplication

n×y
n×2 163280554
n×3 244920831
n×4 326561108
n×5 408201385

Division

n÷y
n÷2 40820138.5
n÷3 27213425.666667
n÷3 20410069.25
n÷5 16328055.4

Exponentiation

ny
n2 6665134828636729
n3 5.4414345365225E+23
n4 4.4424022283906E+31
n5 3.6267894847123E+39

Nth Root

y√n
2√n 9035.5009268994
3√n 433.81192874818
4√n 95.055251969049
5√n 38.22793984313

Divisors of 81640277

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 -81640276
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 81640277 can be divided by 4 positive divisors. The sum of these divisors (counting 81640277) is 1, the average is 0.25.

Base conversion 81640277

Base System Value
2 Binary 100110111011011101101010101
3 Ternary 12200121202101222
4 Quaternary 10313123231111
5 Quinary 131344442102
6 Senary 12033500125
8 Octal 467335525
10 Decimal 81640277
12 Duodecimal 23411645
16 Hexadecimal 4ddbb55
20 Vigesimal 15a50dh
36 Base36 1clu1h

Cryptographic Hash Functions

md5 78eb3b71ea3310a68636d1c09d7a9edc
sha1 cbdf2875c29667f2c7da932e79127d36a7462293
sha256 fd3d892b1a4f3b4f21c9cddc801600ad365653255716cca339bbf1d0d8dc2ae8
sha512 703dd8e691f673ea630aee26fac1db3bf85232124593003494af1b988d115e2f87dff1e1d676c0af975dc2ab00cb1cbf8a387fc2d79be3de2158ead7475b53e3
ripemd-160 abd5c75beda9ad40572f4dca04c5ff5bf5a8a97a

81640277 as geometric shapes

Circle

Radius = n
Diameter 163280554
Circumference 512960988.92047
Area 2.0939138612831E+16

Sphere

Radius = n
Volume 2.2793027686572E+24
Surface area 8.3756554451322E+16
Circumference 512960988.92047

Square

Length = n
Perimeter 326561108
Area 6665134828636729
Diagonal 115456786.9693

Cube

Length = n
Surface area 39990808971820374
Volume 5.4414345365225E+23
Space diagonal 141405107.708

Equilateral Triangle

Length = n
Perimeter 244920831
Area 2.8860880406239E+15
Altitude 70702553.853998

Triangular Pyramid

Length = n
Surface area 2.8860880406239E+15
Volume 6.4127921002629E+22
Height 38485595.656432