21236421 (number)

21236421 is an odd 8-digits composite number following 21236420 and preceding 21236422. In scientific notation, it is written as 2.1236421 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 14126112 positive integers (up to 21236421) that are relatively prime to 21236421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1236421 × 10^7
Engineering notation 2.1236421 × 10^6

Prime Factorization of 21236421

Prime Factorization 3 × 463 × 15289

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21236421
Product of the distinct prime numbers

The prime factorization of 21236421 is 3 × 463 × 15289. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21236421)

Multiplication

n×y
n×2 42472842
n×3 63709263
n×4 84945684
n×5 106182105

Division

n÷y
n÷2 10618210.5
n÷3 7078807
n÷3 5309105.25
n÷5 4247284.2

Exponentiation

ny
n2 450985576889241
n3 9.5773195757478E+21
n4 2.0338799056212E+29
n5 4.3192329939212E+36

Nth Root

y√n
2√n 4608.2991439359
3√n 276.92390181972
4√n 67.884454361333
5√n 29.202246681538

Divisors of 21236421

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 -21236420
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 21236421 can be divided by 8 positive divisors. The sum of these divisors (counting 21236421) is 1, the average is 0.125.

Base conversion 21236421

Base System Value
2 Binary 1010001000000101011000101
3 Ternary 1110221220220010
4 Quaternary 1101000223011
5 Quinary 20414031141
6 Senary 2035100433
8 Octal 121005305
10 Decimal 21236421
12 Duodecimal 7141719
16 Hexadecimal 1440ac5
20 Vigesimal 6ceb11
36 Base36 cn64l

Cryptographic Hash Functions

md5 0e7d6c949fabdb4d2e155ea26ac65543
sha1 96b471f26c320fe7b0e68fc5617a3eb28760f209
sha256 f39234c066da16f79ea179ab7b48bd3c4f567ce8eb590ab3645829e73af89221
sha512 299794191c84fc918e154b03daba4d41b87381d0c2c5115752b57c6103995e8ed41c62e55db423235485bcd76b3d234c41cc94557a9f570bdd9de6213fb79592
ripemd-160 a8426142a79b93998eb36dbf6c333c736eb2ec98

21236421 as geometric shapes

Circle

Radius = n
Diameter 42472842
Circumference 133432368.40428
Area 1.4168129752302E+15

Sphere

Radius = n
Volume 4.0117382427001E+22
Surface area 5.6672519009208E+15
Circumference 133432368.40428

Square

Length = n
Perimeter 84945684
Area 450985576889241
Diagonal 30032834.594465

Cube

Length = n
Surface area 2705913461335446
Volume 9.5773195757478E+21
Space diagonal 36782560.142923

Equilateral Triangle

Length = n
Perimeter 63709263
Area 1.9528248316323E+14
Altitude 18391280.071461

Triangular Pyramid

Length = n
Surface area 1.9528248316323E+14
Volume 1.128697936267E+21
Height 10010944.864822