21031408 (number)

21031408 is an even 8-digits composite number following 21031407 and preceding 21031409. In scientific notation, it is written as 2.1031408 × 10^7. The sum of its digits is 19. It has a total of 5 prime factors and 10 positive divisors. There are 10515696 positive integers (up to 21031408) that are relatively prime to 21031408.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031408 × 10^7
Engineering notation 2.1031408 × 10^6

Prime Factorization of 21031408

Prime Factorization 2 × 2 × 2 × 2 × 1314463

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2628926
Product of the distinct prime numbers

The prime factorization of 21031408 is 2 × 2 × 2 × 2 × 1314463. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031408)

Multiplication

n×y
n×2 42062816
n×3 63094224
n×4 84125632
n×5 105157040

Division

n÷y
n÷2 10515704
n÷3 7010469.3333333
n÷3 5257852
n÷5 4206281.6

Exponentiation

ny
n2 442320122462464
n3 9.302614962118E+21
n4 1.9564709073521E+29
n5 4.1147337892652E+36

Nth Root

y√n
2√n 4586.0013083295
3√n 276.02989244253
4√n 67.720021473191
5√n 29.14564492725

Divisors of 21031408

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031407
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031408 can be divided by 10 positive divisors. The sum of these divisors (counting 21031408) is 1, the average is 0.1.

Base conversion 21031408

Base System Value
2 Binary 1010000001110100111110000
3 Ternary 1110120111200001
4 Quaternary 1100032213300
5 Quinary 20341001113
6 Senary 2030435344
8 Octal 120164760
10 Decimal 21031408
12 Duodecimal 7062b54
16 Hexadecimal 140e9f0
20 Vigesimal 6b8ia8
36 Base36 cirxs

Cryptographic Hash Functions

md5 a3912aded03c38ad226689822bfa1168
sha1 ca6ca148be812ef93d3c29c048a380c42cbceee3
sha256 566a0abccff4c92d897af623e530461a8d9cd7067ef4a304d060bf890622a6c8
sha512 75803ab662decd72e2da8306f19455064a519c44d584953bd1bcc0a0b85528e160a295f363cdf62643bf75f8c5198c1186c1a3450a7110507fee80dc52bb55ff
ripemd-160 c0fcbcecda0f8542c157ae60796670c898318226

21031408 as geometric shapes

Circle

Radius = n
Diameter 42062816
Circumference 132144233.7349
Area 1.389589647263E+15

Sphere

Radius = n
Volume 3.8966702432219E+22
Surface area 5.5583585890521E+15
Circumference 132144233.7349

Square

Length = n
Perimeter 84125632
Area 442320122462464
Diagonal 29742902.429402

Cube

Length = n
Surface area 2653920734774784
Volume 9.302614962118E+21
Space diagonal 36427467.210711

Equilateral Triangle

Length = n
Perimeter 63094224
Area 1.9153023132877E+14
Altitude 18213733.605355

Triangular Pyramid

Length = n
Surface area 1.9153023132877E+14
Volume 1.0963236870802E+21
Height 9914300.8098007