21031421 (number)

21031421 is an odd 8-digits prime number following 21031420 and preceding 21031422. In scientific notation, it is written as 2.1031421 × 10^7. The sum of its digits is 14. It has a total of 1 prime factors and 2 positive divisors. There are 21031420 positive integers (up to 21031421) that are relatively prime to 21031421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031421 × 10^7
Engineering notation 2.1031421 × 10^6

Prime Factorization of 21031421

Prime Factorization 21031421

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21031421
Product of the distinct prime numbers

The prime factorization of 21031421 is 21031421. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031421)

Multiplication

n×y
n×2 42062842
n×3 63094263
n×4 84125684
n×5 105157105

Division

n÷y
n÷2 10515710.5
n÷3 7010473.6666667
n÷3 5257855.25
n÷5 4206284.2

Exponentiation

ny
n2 442320669279241
n3 9.3026322126135E+21
n4 1.9564757447164E+29
n5 4.1147465063418E+36

Nth Root

y√n
2√n 4586.0027256861
3√n 276.02994931601
4√n 67.720031938017
5√n 29.145648530368

Divisors of 21031421

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21031422
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10515711
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4586.0028347135
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999049042
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031421 can be divided by 2 positive divisors. The sum of these divisors (counting 21031421) is 21031422, the average is 10515711.

Base conversion 21031421

Base System Value
2 Binary 1010000001110100111111101
3 Ternary 1110120111200112
4 Quaternary 1100032213331
5 Quinary 20341001141
6 Senary 2030435405
8 Octal 120164775
10 Decimal 21031421
12 Duodecimal 7062b65
16 Hexadecimal 140e9fd
20 Vigesimal 6b8ib1
36 Base36 ciry5

Cryptographic Hash Functions

md5 997e8e4c205210f3f403b164fddffeb9
sha1 7750c9b3543c76627fb3df632a2a057d44e32dba
sha256 f717e98a0421a934e7044f87d551c6a87364e9d3306181ce0c3d29231a0273b8
sha512 a55c80316d77c9a71d8cc5eea6bb7dfa19f68d8990c9534c8f6f8bbc978e2a53ef8c68ef18179ed6c0662b9d52f4eba735ad2dc088964f450bb89a316d3198d5
ripemd-160 576c2fe880e29eed32023dcffa2377d1e0a130a5

21031421 as geometric shapes

Circle

Radius = n
Diameter 42062842
Circumference 132144315.41631
Area 1.3895913651386E+15

Sphere

Radius = n
Volume 3.8966774690926E+22
Surface area 5.5583654605543E+15
Circumference 132144315.41631

Square

Length = n
Perimeter 84125684
Area 442320669279241
Diagonal 29742920.814178

Cube

Length = n
Surface area 2653924015675446
Volume 9.3026322126135E+21
Space diagonal 36427489.727371

Equilateral Triangle

Length = n
Perimeter 63094263
Area 1.9153046810738E+14
Altitude 18213744.863686

Triangular Pyramid

Length = n
Surface area 1.9153046810738E+14
Volume 1.0963257200706E+21
Height 9914306.9380594