81271641 (number)

81271641 is an odd 8-digits composite number following 81271640 and preceding 81271642. In scientific notation, it is written as 8.1271641 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 48560400 positive integers (up to 81271641) that are relatively prime to 81271641.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1271641 × 10^7
Engineering notation 8.1271641 × 10^6

Prime Factorization of 81271641

Prime Factorization 33 × 71 × 34687

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81271641
Product of the distinct prime numbers

The prime factorization of 81271641 is 33 × 71 × 34687. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81271641)

Multiplication

n×y
n×2 162543282
n×3 243814923
n×4 325086564
n×5 406358205

Division

n÷y
n÷2 40635820.5
n÷3 27090547
n÷3 20317910.25
n÷5 16254328.2

Exponentiation

ny
n2 6605079630832881
n3 5.3680566053346E+23
n4 4.3627076929643E+31
n5 3.5456441341054E+39

Nth Root

y√n
2√n 9015.0785354316
3√n 433.15800316555
4√n 94.947767406251
5√n 38.193354667499

Divisors of 81271641

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81271640
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81271641 can be divided by 8 positive divisors. The sum of these divisors (counting 81271641) is 1, the average is 0.125.

Base conversion 81271641

Base System Value
2 Binary 100110110000001101101011001
3 Ternary 12122221000201210
4 Quaternary 10312001231121
5 Quinary 131301143031
6 Senary 12021533333
8 Octal 466015531
10 Decimal 81271641
12 Duodecimal 23274249
16 Hexadecimal 4d81b59
20 Vigesimal 157ij21
36 Base36 1cdxll

Cryptographic Hash Functions

md5 ddd8680c07ac7fcbe2c7497329eeb656
sha1 c064af37c1a20c5f5b01ab5c174e68e1e90fcd1a
sha256 29ee8d8f3884f642427cf42b9f01d6a623ad6cbb4e8e89c8a6ecf749416db929
sha512 9615032fbf83596137cbd1a7699afbba2c6f57d3ac38ffd3b79ce50e402e01b2b4c7ea76748196dbfa1c83bc2c905505ce64232b85837a674237c0f6aaaa352f
ripemd-160 feaa0d69c91dad201c7fe59d7bbd3bb129af7b50

81271641 as geometric shapes

Circle

Radius = n
Diameter 162543282
Circumference 510644780.62157
Area 2.07504696446E+16

Sphere

Radius = n
Volume 2.2485662927165E+24
Surface area 8.3001878578401E+16
Circumference 510644780.62157

Square

Length = n
Perimeter 325086564
Area 6605079630832881
Diagonal 114935456.93852

Cube

Length = n
Surface area 39630477784997286
Volume 5.3680566053346E+23
Space diagonal 140766611.4265

Equilateral Triangle

Length = n
Perimeter 243814923
Area 2.8600833771602E+15
Altitude 70383305.713249

Triangular Pyramid

Length = n
Surface area 2.8600833771602E+15
Volume 6.3263153790423E+22
Height 38311818.979506