21000437 (number)

21000437 is an odd 8-digits composite number following 21000436 and preceding 21000438. In scientific notation, it is written as 2.1000437 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 20276256 positive integers (up to 21000437) that are relatively prime to 21000437.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-seven

Notation

Scientific notation 2.1000437 × 10^7
Engineering notation 2.1000437 × 10^6

Prime Factorization of 21000437

Prime Factorization 29 × 724153

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21000437
Product of the distinct prime numbers

The prime factorization of 21000437 is 29 × 724153. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000437)

Multiplication

n×y
n×2 42000874
n×3 63001311
n×4 84001748
n×5 105002185

Division

n÷y
n÷2 10500218.5
n÷3 7000145.6666667
n÷3 5250109.25
n÷5 4200087.4

Exponentiation

ny
n2 441018354190969
n3 9.2615781630311E+21
n4 1.9449718873331E+29
n5 4.084525958671E+36

Nth Root

y√n
2√n 4582.6233753168
3√n 275.89433135478
4√n 67.69507644812
5√n 29.137055849899

Divisors of 21000437

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 -21000436
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 21000437 can be divided by 4 positive divisors. The sum of these divisors (counting 21000437) is 1, the average is 0.25.

Base conversion 21000437

Base System Value
2 Binary 1010000000111000011110101
3 Ternary 1110111221011222
4 Quaternary 1100013003311
5 Quinary 20334003222
6 Senary 2030040125
8 Octal 120070365
10 Decimal 21000437
12 Duodecimal 7049045
16 Hexadecimal 14070f5
20 Vigesimal 6b511h
36 Base36 ci41h

Cryptographic Hash Functions

md5 7a39dda57c5686a81bce1dc713dcd349
sha1 b6c6e069cf22bc196077166e3173ed539200071d
sha256 41469a3bc99bf3a5309c2adb3af56754edb41fdb9af56d66986aa11b5bc552a2
sha512 416bc28cf3f92fe4248e6ac25ef898bb241794d41f8af30ebe8b8c1988a0780a63c662fecb6f0ef5c5172d861cc0326c2cf5feda648833ab57dc965baf688093
ripemd-160 db575966cad6e3e7cc6a2a149baf2963074417fd

21000437 as geometric shapes

Circle

Radius = n
Diameter 42000874
Circumference 131949637.20275
Area 1.3855000216246E+15

Sphere

Radius = n
Volume 3.8794807890168E+22
Surface area 5.5420000864984E+15
Circumference 131949637.20275

Square

Length = n
Perimeter 84001748
Area 441018354190969
Diagonal 29699102.821162

Cube

Length = n
Surface area 2646110125145814
Volume 9.2615781630311E+21
Space diagonal 36373823.865149

Equilateral Triangle

Length = n
Perimeter 63001311
Area 1.9096654913229E+14
Altitude 18186911.932575

Triangular Pyramid

Length = n
Surface area 1.9096654913229E+14
Volume 1.0914874539281E+21
Height 9899700.9403873