21421207 (number)

21421207 is an odd 8-digits composite number following 21421206 and preceding 21421208. In scientific notation, it is written as 2.1421207 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 20078592 positive integers (up to 21421207) that are relatively prime to 21421207.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1421207 × 10^7
Engineering notation 2.1421207 × 10^6

Prime Factorization of 21421207

Prime Factorization 17 × 257 × 4903

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21421207
Product of the distinct prime numbers

The prime factorization of 21421207 is 17 × 257 × 4903. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21421207)

Multiplication

n×y
n×2 42842414
n×3 64263621
n×4 85684828
n×5 107106035

Division

n÷y
n÷2 10710603.5
n÷3 7140402.3333333
n÷3 5355301.75
n÷5 4284241.4

Exponentiation

ny
n2 458868109336849
n3 9.8295087558033E+21
n4 2.1055994176637E+29
n5 4.5104480984855E+36

Nth Root

y√n
2√n 4628.304981308
3√n 277.72478931783
4√n 68.031646910155
5√n 29.252890640773

Divisors of 21421207

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 -21421206
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 21421207 can be divided by 8 positive divisors. The sum of these divisors (counting 21421207) is 1, the average is 0.125.

Base conversion 21421207

Base System Value
2 Binary 1010001101101110010010111
3 Ternary 1111022022101001
4 Quaternary 1101231302113
5 Quinary 20440434312
6 Senary 2043044131
8 Octal 121556227
10 Decimal 21421207
12 Duodecimal 7210647
16 Hexadecimal 146dc97
20 Vigesimal 6dhd07
36 Base36 cr4pj

Cryptographic Hash Functions

md5 853413d8a52af0763319ff30a330aa65
sha1 a84702f3025c863b6391fb57e61a8bc9ce80dd17
sha256 2173d1c5fe545a45d25eb99888cab270af6b0af1e7bbbbcf59710dbfb83cd01a
sha512 54e7085cb43d52e94b0373fd08291958a07208ab136a971cfcc9a85834adbe18da2af720a053baf1ad6fba3d75d2056ebf52b42eeeffa278787c79f53b105825
ripemd-160 b7b8acea31e21b204c85d0159f6fc259a5bdd88b

21421207 as geometric shapes

Circle

Radius = n
Diameter 42842414
Circumference 134593413.08445
Area 1.4415766812593E+15

Sphere

Radius = n
Volume 4.1173749994171E+22
Surface area 5.7663067250371E+15
Circumference 134593413.08445

Square

Length = n
Perimeter 85684828
Area 458868109336849
Diagonal 30294161.461801

Cube

Length = n
Surface area 2753208656021094
Volume 9.8295087558033E+21
Space diagonal 37102618.88345

Equilateral Triangle

Length = n
Perimeter 64263621
Area 1.9869571983612E+14
Altitude 18551309.441725

Triangular Pyramid

Length = n
Surface area 1.9869571983612E+14
Volume 1.1584187161602E+21
Height 10098053.8206