72505921 (number)

72505921 is an odd 8-digits composite number following 72505920 and preceding 72505922. In scientific notation, it is written as 7.2505921 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 72482500 positive integers (up to 72505921) that are relatively prime to 72505921.

Interesting facts

Basic properties

Name

Name seventy-two million five hundred five thousand nine hundred twenty-one

Notation

Scientific notation 7.2505921 × 10^7
Engineering notation 7.2505921 × 10^6

Prime Factorization of 72505921

Prime Factorization 3671 × 19751

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 72505921
Product of the distinct prime numbers

The prime factorization of 72505921 is 3671 × 19751. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72505921)

Multiplication

n×y
n×2 145011842
n×3 217517763
n×4 290023684
n×5 362529605

Division

n÷y
n÷2 36252960.5
n÷3 24168640.333333
n÷3 18126480.25
n÷5 14501184.2

Exponentiation

ny
n2 5257108580058241
n3 3.8117149939413E+23
n4 2.7637190622522E+31
n5 2.0038599599385E+39

Nth Root

y√n
2√n 8515.0408689565
3√n 416.98889683606
4√n 92.276979084474
5√n 37.331435894881

Divisors of 72505921

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 -72505920
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 72505921 can be divided by 4 positive divisors. The sum of these divisors (counting 72505921) is 1, the average is 0.25.

Base conversion 72505921

Base System Value
2 Binary 100010100100101101001000001
3 Ternary 12001102200102111
4 Quaternary 10110211221001
5 Quinary 122030142141
6 Senary 11110015321
8 Octal 424455101
10 Decimal 72505921
12 Duodecimal 20347541
16 Hexadecimal 4525a41
20 Vigesimal 12d34g1
36 Base36 1761xd

Cryptographic Hash Functions

md5 8c6fd0929d9a2cd8b4816b2dcb897be3
sha1 224c2a1cc8e901834514089932cc33d06c994f4c
sha256 5e540216ba24c6b12f8faaf6b87f81d8937def741b26461f5bc98794d6be2e43
sha512 fd53332a664990db7b149223748504722fea1025c6bef0c0234f7536226160133124a1c7873d85a82f9a5ba117fc5159ffce21e0138c8ceaf049e602d9ed2942
ripemd-160 7e737d80e2a8b14961dd3c7e5057c1729ddec816

72505921 as geometric shapes

Circle

Radius = n
Diameter 145011842
Circumference 455568137.51072
Area 1.6515693694235E+16

Sphere

Radius = n
Volume 1.5966474430059E+24
Surface area 6.6062774776939E+16
Circumference 455568137.51072

Square

Length = n
Perimeter 290023684
Area 5257108580058241
Diagonal 102538856.83055

Cube

Length = n
Surface area 31542651480349446
Volume 3.8117149939413E+23
Space diagonal 125583939.02158

Equilateral Triangle

Length = n
Perimeter 217517763
Area 2.2763947903918E+15
Altitude 62791969.510788

Triangular Pyramid

Length = n
Surface area 2.2763947903918E+15
Volume 4.4921492002772E+22
Height 34179618.943517