81072550 (number)

81072550 is an even 8-digits composite number following 81072549 and preceding 81072551. In scientific notation, it is written as 8.1072550 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 29116800 positive integers (up to 81072550) that are relatively prime to 81072550.

Interesting facts

Basic properties

Name

Name eighty-one million seventy-two thousand five hundred fifty

Notation

Scientific notation 8.1072550 × 10^7
Engineering notation 8.1072550 × 10^6

Prime Factorization of 81072550

Prime Factorization 2 × 25 × 481 × 3371

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81072550
Product of the distinct prime numbers

The prime factorization of 81072550 is 2 × 25 × 481 × 3371. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 2, 52, 95, 775, 288, 6181, 4304, 41943, 92947, 722382, 391247, 4817519, 5323365, 12344300, 21993489, 941936311, 981182355, 2391303877, 5045563820

Basic calculations (n = 81072550)

Multiplication

n×y
n×2 162145100
n×3 243217650
n×4 324290200
n×5 405362750

Division

n÷y
n÷2 40536275
n÷3 27024183.333333
n÷3 20268137.5
n÷5 16214510

Exponentiation

ny
n2 6572758363502500
n3 5.3287028106297E+23
n4 4.3201152504992E+31
n5 3.5024275965186E+39

Nth Root

y√n
2√n 9004.0296534385
3√n 432.80401181075
4√n 94.889565566708
5√n 38.174623865445

Divisors of 81072550

1, 2, 25, 50, 481, 962, 3371, 6742, 12025, 24050, 84275, 168550, 1621451, 3242902, 40536275, 81072550

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81072549
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81072550 can be divided by 16 positive divisors. The sum of these divisors (counting 81072550) is 1, the average is 0.0625.

Base conversion 81072550

Base System Value
2 Binary 100110101010001000110100110
3 Ternary 12122112220122001
4 Quaternary 10311101012212
5 Quinary 131223310200
6 Senary 12013355514
8 Octal 465210646
10 Decimal 81072550
12 Duodecimal 23198b9a
16 Hexadecimal 4d511a6
20 Vigesimal 156e17a
36 Base36 1c9nza

Cryptographic Hash Functions

md5 0463f0a0710404c8dcae9c498fb81a14
sha1 16bcdc06000bfb9f7d0cc88511ee6e69ae0631cc
sha256 d117c95d54a4c3efe7c5364af37f41a1db1f3dd212795e7da59df4c195ddc86d
sha512 5118948aa99c23700e5a35764c783459b537bb192f73d63f9d70079db52430f4c641557c5857882f623693c46416c7e7c36ddd118ce9c8bbbbdc77b007ddf57e
ripemd-160 d84468831f99677de257771681199f2babb958c8

81072550 as geometric shapes

Circle

Radius = n
Diameter 162145100
Circumference 509393854.97558
Area 2.06489293886E+16

Sphere

Radius = n
Volume 2.2320818137384E+24
Surface area 8.2595717554401E+16
Circumference 509393854.97558

Square

Length = n
Perimeter 324290200
Area 6572758363502500
Diagonal 114653899.74617

Cube

Length = n
Surface area 39436550181015000
Volume 5.3287028106297E+23
Space diagonal 140421775.69917

Equilateral Triangle

Length = n
Perimeter 243217650
Area 2.8460878578649E+15
Altitude 70210887.849584

Triangular Pyramid

Length = n
Surface area 2.8460878578649E+15
Volume 6.2799364872068E+22
Height 38217966.582057