81573040 (number)

81573040 is an even 8-digits composite number following 81573039 and preceding 81573041. In scientific notation, it is written as 8.1573040 × 10^7. The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors. There are 32629184 positive integers (up to 81573040) that are relatively prime to 81573040.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred seventy-three thousand forty

Notation

Scientific notation 8.1573040 × 10^7
Engineering notation 8.1573040 × 10^6

Prime Factorization of 81573040

Prime Factorization 2 × 2 × 2 × 2 × 5 × 1019663

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10196630
Product of the distinct prime numbers

The prime factorization of 81573040 is 2 × 2 × 2 × 2 × 5 × 1019663. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 5, 62, 47, 975, 603, 2563, 8769, 94391, 23135, 655348, 706859, 9829693, 4685742, 13869543, 70736542, 804920466, 347831836, 1718277001, 3584332446

Basic calculations (n = 81573040)

Multiplication

n×y
n×2 163146080
n×3 244719120
n×4 326292160
n×5 407865200

Division

n÷y
n÷2 40786520
n÷3 27191013.333333
n÷3 20393260
n÷5 16314608

Exponentiation

ny
n2 6654160854841600
n3 5.4280012957843E+23
n4 4.4277856682106E+31
n5 3.6118793742437E+39

Nth Root

y√n
2√n 9031.7794481486
3√n 433.69280362674
4√n 95.035674607742
5√n 38.221641042463

Divisors of 81573040

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1019663, 2039326, 4078652, 5098315, 8157304, 10196630, 16314608, 20393260, 40786520, 81573040

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81573039
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81573040 can be divided by 20 positive divisors. The sum of these divisors (counting 81573040) is 1, the average is 0.05.

Base conversion 81573040

Base System Value
2 Binary 100110111001011010010110000
3 Ternary 12200111100011201
4 Quaternary 10313023102300
5 Quinary 131340314130
6 Senary 12032220544
8 Octal 467132260
10 Decimal 81573040
12 Duodecimal 2339a754
16 Hexadecimal 4dcb4b0
20 Vigesimal 159gcc0
36 Base36 1cke5s

Cryptographic Hash Functions

md5 51a955a431a45ebe5724e3123401d3d5
sha1 d634b9e513a346744debf285fad1325c8af5bcc3
sha256 190962f7fb10c4f8e8643734e85066ea39c276d247194509a5e577e96bb38881
sha512 0da5f6f1723a269eaf501ea22de5fb3362b2d7681b826bcf1fc22ac70e306de2304e7172466d8f0dc6740af8613bf5bb5ae2fd04b806e1e39ab24eeb2d8db58d
ripemd-160 73ac3aaa74b8b3e132c7f0e7036622ef90d7373a

81573040 as geometric shapes

Circle

Radius = n
Diameter 163146080
Circumference 512538526.38997
Area 2.0904662857375E+16

Sphere

Radius = n
Volume 2.2736758659349E+24
Surface area 8.3618651429501E+16
Circumference 512538526.38997

Square

Length = n
Perimeter 326292160
Area 6654160854841600
Diagonal 115361699.492

Cube

Length = n
Surface area 39924965129049600
Volume 5.4280012957843E+23
Space diagonal 141288649.80785

Equilateral Triangle

Length = n
Perimeter 244719120
Area 2.8813361705804E+15
Altitude 70644324.903924

Triangular Pyramid

Length = n
Surface area 2.8813361705804E+15
Volume 6.3969608742307E+22
Height 38453899.830668