81277249 (number)

81277249 is an odd 8-digits composite number following 81277248 and preceding 81277250. In scientific notation, it is written as 8.1277249 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 79743664 positive integers (up to 81277249) that are relatively prime to 81277249.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1277249 × 10^7
Engineering notation 8.1277249 × 10^6

Prime Factorization of 81277249

Prime Factorization 53 × 1533533

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81277249
Product of the distinct prime numbers

The prime factorization of 81277249 is 53 × 1533533. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81277249)

Multiplication

n×y
n×2 162554498
n×3 243831747
n×4 325108996
n×5 406386245

Division

n÷y
n÷2 40638624.5
n÷3 27092416.333333
n÷3 20319312.25
n÷5 16255449.8

Exponentiation

ny
n2 6605991205008001
n3 5.3691679206125E+23
n4 4.3639119800643E+31
n5 3.5468676061777E+39

Nth Root

y√n
2√n 9015.3895645169
3√n 433.16796602665
4√n 94.949405287853
5√n 38.193881745379

Divisors of 81277249

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 -81277248
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 81277249 can be divided by 4 positive divisors. The sum of these divisors (counting 81277249) is 1, the average is 0.25.

Base conversion 81277249

Base System Value
2 Binary 100110110000011000101000001
3 Ternary 12122221022102111
4 Quaternary 10312003011001
5 Quinary 131301332444
6 Senary 12022015321
8 Octal 466030501
10 Decimal 81277249
12 Duodecimal 23277541
16 Hexadecimal 4d83141
20 Vigesimal 157jd29
36 Base36 1ce1xd

Cryptographic Hash Functions

md5 fc0595a914e3b03943bc97154d3a6032
sha1 477f87cea4c918f1bc5f58b0e705736482052687
sha256 c47667fed45389a02276f7ed5bd033f7bcdd2932a32094e8375c066c78d712d2
sha512 b84c59339b216be854c7b3ff9d20c95b19c57c6a781185c5405d3b496f7977ed354b3da70855c257e65eddc942aa8d6fb34c9b7cb149d5bee585ef7af0cd30a2
ripemd-160 4a419b2fab1c32e362e111ff8dc81acb6b711bc5

81277249 as geometric shapes

Circle

Radius = n
Diameter 162554498
Circumference 510680016.72478
Area 2.0753333439332E+16

Sphere

Radius = n
Volume 2.2490317993715E+24
Surface area 8.3013333757328E+16
Circumference 510680016.72478

Square

Length = n
Perimeter 325108996
Area 6605991205008001
Diagonal 114943387.84818

Cube

Length = n
Surface area 39635947230048006
Volume 5.3691679206125E+23
Space diagonal 140776324.76743

Equilateral Triangle

Length = n
Perimeter 243831747
Area 2.8604781003568E+15
Altitude 70388162.383713

Triangular Pyramid

Length = n
Surface area 2.8604781003568E+15
Volume 6.3276250766572E+22
Height 38314462.616058