72506721 (number)

72506721 is an odd 8-digits composite number following 72506720 and preceding 72506722. In scientific notation, it is written as 7.2506721 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors. There are 41432328 positive integers (up to 72506721) that are relatively prime to 72506721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2506721 × 10^7
Engineering notation 7.2506721 × 10^6

Prime Factorization of 72506721

Prime Factorization 3 × 7 × 7 × 493243

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10358103
Product of the distinct prime numbers

The prime factorization of 72506721 is 3 × 7 × 7 × 493243. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 65, 75, 403, 647, 2123, 3480, 51217, 81198, 202265, 662380, 5498912, 5939174, 28884141, 78801943, 9415341, 781716109, 6505195869, 9986323660

Basic calculations (n = 72506721)

Multiplication

n×y
n×2 145013442
n×3 217520163
n×4 290026884
n×5 362533605

Division

n÷y
n÷2 36253360.5
n÷3 24168907
n÷3 18126680.25
n÷5 14501344.2

Exponentiation

ny
n2 5257224590171841
n3 3.8118411659393E+23
n4 2.7638410391507E+31
n5 2.0039705111405E+39

Nth Root

y√n
2√n 8515.0878445263
3√n 416.99043045744
4√n 92.277233619817
5√n 37.331518274407

Divisors of 72506721

1, 3, 7, 21, 49, 147, 493243, 1479729, 3452701, 10358103, 24168907, 72506721

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72506720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72506721 can be divided by 12 positive divisors. The sum of these divisors (counting 72506721) is 1, the average is 0.083333333333333.

Base conversion 72506721

Base System Value
2 Binary 100010100100101110101100001
3 Ternary 12001102201112010
4 Quaternary 10110211311201
5 Quinary 122030203341
6 Senary 11110023133
8 Octal 424456541
10 Decimal 72506721
12 Duodecimal 20347aa9
16 Hexadecimal 4525d61
20 Vigesimal 12d36g1
36 Base36 1762jl

Cryptographic Hash Functions

md5 994f4faf47fef21fdfe0314016cabce4
sha1 0f505b00159f14072305145296a6bb379c482ee8
sha256 8a0aa90c0af1b8c89a180c064a0a8bc2c84ddc8da86d3ea061107a8262424038
sha512 169d691243557393969cbbcf470810bb8c8a1ce7909bd5174a9497175bafb56bc16ef171caf5bb2cbda4c4568c9d9904afba1ae21c6e8bf53436b85e9e4b7142
ripemd-160 e0ef0d27f0002089edabd7463723e60ff162bd4a

72506721 as geometric shapes

Circle

Radius = n
Diameter 145013442
Circumference 455573164.05897
Area 1.6516058150755E+16

Sphere

Radius = n
Volume 1.5967002938088E+24
Surface area 6.6064232603022E+16
Circumference 455573164.05897

Square

Length = n
Perimeter 290026884
Area 5257224590171841
Diagonal 102539988.2014

Cube

Length = n
Surface area 31543347541031046
Volume 3.8118411659393E+23
Space diagonal 125585324.66222

Equilateral Triangle

Length = n
Perimeter 217520163
Area 2.2764450242445E+15
Altitude 62792662.331111

Triangular Pyramid

Length = n
Surface area 2.2764450242445E+15
Volume 4.4922978954028E+22
Height 34179996.067134