72742421 (number)

72742421 is an odd 8-digits composite number following 72742420 and preceding 72742422. In scientific notation, it is written as 7.2742421 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 72691500 positive integers (up to 72742421) that are relatively prime to 72742421.

Interesting facts

Basic properties

Name

Name seventy-two million seven hundred forty-two thousand four hundred twenty-one

Notation

Scientific notation 7.2742421 × 10^7
Engineering notation 7.2742421 × 10^6

Prime Factorization of 72742421

Prime Factorization 1471 × 49451

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 72742421
Product of the distinct prime numbers

The prime factorization of 72742421 is 1471 × 49451. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72742421)

Multiplication

n×y
n×2 145484842
n×3 218227263
n×4 290969684
n×5 363712105

Division

n÷y
n÷2 36371210.5
n÷3 24247473.666667
n÷3 18185605.25
n÷5 14548484.2

Exponentiation

ny
n2 5291459812941241
n3 3.8491359741755E+23
n4 2.7999546951972E+31
n5 2.0367548321896E+39

Nth Root

y√n
2√n 8528.9167541957
3√n 417.44178326985
4√n 92.352134540549
5√n 37.355757737095

Divisors of 72742421

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 -72742420
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 72742421 can be divided by 4 positive divisors. The sum of these divisors (counting 72742421) is 1, the average is 0.25.

Base conversion 72742421

Base System Value
2 Binary 100010101011111011000010101
3 Ternary 12001212200211202
4 Quaternary 10111133120111
5 Quinary 122110224141
6 Senary 11115042245
8 Octal 425373025
10 Decimal 72742421
12 Duodecimal 20440385
16 Hexadecimal 455f615
20 Vigesimal 12ecg11
36 Base36 17b4et

Cryptographic Hash Functions

md5 97308a8b7905b6084dc48af4c7b5b0ca
sha1 9688580c5db7d99dcfc2f8c6418eef9dee120a0e
sha256 91b6c29ba135e5bcbd76985a532c84d96733a6e760e5c38784cc0ade0972ab85
sha512 81d81c71b88088cdde8b695600f4135faec84ceac345e696478924e8eceb85435631ff1c5918e78dff67480a9af1bf04d21625da8d1b311b57f9ef6a9509a5ce
ripemd-160 71435b7276bd60551c37b63880fdab673efec66b

72742421 as geometric shapes

Circle

Radius = n
Diameter 145484842
Circumference 457054110.83587
Area 1.6623611275102E+16

Sphere

Radius = n
Volume 1.6123223065517E+24
Surface area 6.6494445100407E+16
Circumference 457054110.83587

Square

Length = n
Perimeter 290969684
Area 5291459812941241
Diagonal 102873318.33805

Cube

Length = n
Surface area 31748758877647446
Volume 3.8491359741755E+23
Space diagonal 125993569.03757

Equilateral Triangle

Length = n
Perimeter 218227263
Area 2.2912693105558E+15
Altitude 62996784.518783

Triangular Pyramid

Length = n
Surface area 2.2912693105558E+15
Volume 4.5362502484143E+22
Height 34291106.112684