72131421 (number)

72131421 is an odd 8-digits composite number following 72131420 and preceding 72131422. In scientific notation, it is written as 7.2131421 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 48087612 positive integers (up to 72131421) that are relatively prime to 72131421.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred thirty-one thousand four hundred twenty-one

Notation

Scientific notation 7.2131421 × 10^7
Engineering notation 7.2131421 × 10^6

Prime Factorization of 72131421

Prime Factorization 3 × 24043807

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 72131421
Product of the distinct prime numbers

The prime factorization of 72131421 is 3 × 24043807. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72131421)

Multiplication

n×y
n×2 144262842
n×3 216394263
n×4 288525684
n×5 360657105

Division

n÷y
n÷2 36065710.5
n÷3 24043807
n÷3 18032855.25
n÷5 14426284.2

Exponentiation

ny
n2 5202941895479241
n3 3.7529559230135E+23
n4 2.7070604367733E+31
n5 1.9526411603734E+39

Nth Root

y√n
2√n 8493.0219003603
3√n 416.26972807327
4√n 92.157592743953
5√n 37.292791886532

Divisors of 72131421

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 -72131420
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 72131421 can be divided by 4 positive divisors. The sum of these divisors (counting 72131421) is 1, the average is 0.25.

Base conversion 72131421

Base System Value
2 Binary 100010011001010001101011101
3 Ternary 12000201122201010
4 Quaternary 10103022031131
5 Quinary 121431201141
6 Senary 11054005433
8 Octal 423121535
10 Decimal 72131421
12 Duodecimal 201a6879
16 Hexadecimal 44ca35d
20 Vigesimal 12ag8b1
36 Base36 16y0yl

Cryptographic Hash Functions

md5 2ef6b19033a53617254f414e766f47b0
sha1 bc1ac2fdf0e73914542cbd20037ad9eb8792fd5e
sha256 ebed6cfa5b9d1e3eb330dd8fec585b89f8fdcda93075fe15ec97fb0e12fb734b
sha512 a3dcf4009564e658f384fc38d9d0dd14a1caa9d71cdbd44b3b75c105e878731c9dc7bde043c355506ead1ce5ae1a38a7b9ad8f20b48a9dfa570b4e8cfa722fb6
ripemd-160 b88e36cfe1048feb915d03aa56b983859ddb6a5a

72131421 as geometric shapes

Circle

Radius = n
Diameter 144262842
Circumference 453215084.61319
Area 1.6345524035892E+16

Sphere

Radius = n
Volume 1.5720345009314E+24
Surface area 6.5382096143569E+16
Circumference 453215084.61319

Square

Length = n
Perimeter 288525684
Area 5202941895479241
Diagonal 102009233.85144

Cube

Length = n
Surface area 31217651372875446
Volume 3.7529559230135E+23
Space diagonal 124935285.99414

Equilateral Triangle

Length = n
Perimeter 216394263
Area 2.2529399279497E+15
Altitude 62467642.99707

Triangular Pyramid

Length = n
Surface area 2.2529399279497E+15
Volume 4.4229009710951E+22
Height 34003077.950481