72521 (number)

72521 is an odd 5-digits composite number following 72520 and preceding 72522. In scientific notation, it is written as 7.2521 × 10^4. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 70932 positive integers (up to 72521) that are relatively prime to 72521.

Interesting facts

Basic properties

Name

Name seventy-two thousand five hundred twenty-one

Notation

Scientific notation 7.2521 × 10^4
Engineering notation 7.2521 × 10^3

Prime Factorization of 72521

Prime Factorization 47 × 1543

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 72521
Product of the distinct prime numbers

The prime factorization of 72521 is 47 × 1543. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 1, 75, 33, 910, 999, 814, 1085, 51653, 235, 248614, 157350, 3321306, 7202379, 62297054, 51810672, 76231707, 233118855, 9586147115, 5310684713

Basic calculations (n = 72521)

Multiplication

n×y
n×2 145042
n×3 217563
n×4 290084
n×5 362605

Division

n÷y
n÷2 36260.5
n÷3 24173.666666667
n÷3 18130.25
n÷5 14504.2

Exponentiation

ny
n2 5259295441
n3 381409364676761
n4 2.7660188535723E+19
n5 2.0059445327992E+24

Nth Root

y√n
2√n 269.2972335543
3√n 41.701780178456
4√n 16.410278289971
5√n 9.3776227320297

Divisors of 72521

1, 47, 1543, 72521

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 -72520
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 72521 can be divided by 4 positive divisors. The sum of these divisors (counting 72521) is 1, the average is 0.25.

Base conversion 72521

Base System Value
2 Binary 10001101101001001
3 Ternary 10200110222
4 Quaternary 101231021
5 Quinary 4310041
6 Senary 1315425
8 Octal 215511
10 Decimal 72521
12 Duodecimal 35b75
16 Hexadecimal 11b49
20 Vigesimal 9161
36 Base36 1jyh

Cryptographic Hash Functions

md5 df123e3aa5be65998f7836101c222cba
sha1 5ab78abd2944218c4f281143bfa90617b6d213e5
sha256 60887592ab96602959fe0c2fbcc73e7590efc08aa9e60dad7cdd7a230d0e51ad
sha512 d2fbac30b1e56cd7166e6dad16a60f0244627ab2b70e864ffd363cf38c48168bc46944ad358b760bade7f66a1ad4f0c981758f5f104a190b5aa70a3e40811a54
ripemd-160 10e4f4277f6f8a99d455559de9df1ae4ca21efb9

72521 as geometric shapes

Circle

Radius = n
Diameter 145042
Circumference 455662.88166197
Area 16522563920.504

Sphere

Radius = n
Volume 1.5976438107718E+15
Surface area 66090255682.016
Circumference 455662.88166197

Square

Length = n
Perimeter 290084
Area 5259295441
Diagonal 102560.18175686

Cube

Length = n
Surface area 31555772646
Volume 381409364676761
Space diagonal 125610.0566157

Equilateral Triangle

Length = n
Perimeter 217563
Area 2277341728.9568
Altitude 62805.028307851

Triangular Pyramid

Length = n
Surface area 2277341728.9568
Volume 44949524695165
Height 34186.727252286