72667721 (number)

72667721 is an odd 8-digits composite number following 72667720 and preceding 72667722. In scientific notation, it is written as 7.2667721 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 60837840 positive integers (up to 72667721) that are relatively prime to 72667721.

Interesting facts

Basic properties

Name

Name seventy-two million six hundred sixty-seven thousand seven hundred twenty-one

Notation

Scientific notation 7.2667721 × 10^7
Engineering notation 7.2667721 × 10^6

Prime Factorization of 72667721

Prime Factorization 7 × 43 × 241421

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72667721
Product of the distinct prime numbers

The prime factorization of 72667721 is 7 × 43 × 241421. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72667721)

Multiplication

n×y
n×2 145335442
n×3 218003163
n×4 290670884
n×5 363338605

Division

n÷y
n÷2 36333860.5
n÷3 24222573.666667
n÷3 18166930.25
n÷5 14533544.2

Exponentiation

ny
n2 5280597675333841
n3 3.8372899858441E+23
n4 2.7884711808741E+31
n5 2.026318457883E+39

Nth Root

y√n
2√n 8524.5364096823
3√n 417.29884246173
4√n 92.328416046645
5√n 37.348082375183

Divisors of 72667721

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 -72667720
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 72667721 can be divided by 8 positive divisors. The sum of these divisors (counting 72667721) is 1, the average is 0.125.

Base conversion 72667721

Base System Value
2 Binary 100010101001101001001001001
3 Ternary 12001201220101002
4 Quaternary 10111031021021
5 Quinary 122100331341
6 Senary 11113304345
8 Octal 425151111
10 Decimal 72667721
12 Duodecimal 204050b5
16 Hexadecimal 454d249
20 Vigesimal 12e3961
36 Base36 179irt

Cryptographic Hash Functions

md5 b2bfcd66008e3aee6bb4bf2bc3a6c8e9
sha1 e3eb2acf2c424a1d83b403f85f94f344726bcce7
sha256 91d27ba3770e9fb3d958ea2ba7a0928babda58777dc3d83c4649f6d929442057
sha512 e6182836a346c4164281abfdf6534fa9a65a34bbb3677d3b05f213dfb1cde441f4368e1b0a76c7b2b99619916b4a1ef4981b8b692fa34d25d69cbd7ae418734e
ripemd-160 f58fff3bc4c52a458bb2b766d2cb035c98985ff8

72667721 as geometric shapes

Circle

Radius = n
Diameter 145335442
Circumference 456584756.89343
Area 1.6589486863392E+16

Sphere

Radius = n
Volume 1.6073602705629E+24
Surface area 6.6357947453569E+16
Circumference 456584756.89343

Square

Length = n
Perimeter 290670884
Area 5280597675333841
Diagonal 102767676.58494

Cube

Length = n
Surface area 31683586052003046
Volume 3.8372899858441E+23
Space diagonal 125864184.84224

Equilateral Triangle

Length = n
Perimeter 218003163
Area 2.2865658670021E+15
Altitude 62932092.42112

Triangular Pyramid

Length = n
Surface area 2.2865658670021E+15
Volume 4.5222896172826E+22
Height 34255892.194981