21001885 (number)

21001885 is an odd 8-digits composite number following 21001884 and preceding 21001886. In scientific notation, it is written as 2.1001885 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 15724800 positive integers (up to 21001885) that are relatively prime to 21001885.

Interesting facts

Basic properties

Name

Name twenty-one million one thousand eight hundred eighty-five

Notation

Scientific notation 2.1001885 × 10^7
Engineering notation 2.1001885 × 10^6

Prime Factorization of 21001885

Prime Factorization 85 × 1171 × 211

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21001885
Product of the distinct prime numbers

The prime factorization of 21001885 is 85 × 1171 × 211. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21001885)

Multiplication

n×y
n×2 42003770
n×3 63005655
n×4 84007540
n×5 105009425

Division

n÷y
n÷2 10500942.5
n÷3 7000628.3333333
n÷3 5250471.25
n÷5 4200377

Exponentiation

ny
n2 441079173553225
n3 9.2634940788599E+21
n4 1.945508373424E+29
n5 4.0859343125187E+36

Nth Root

y√n
2√n 4582.7813607023
3√n 275.90067226744
4√n 67.696243327841
5√n 29.137457644331

Divisors of 21001885

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 -21001884
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 21001885 can be divided by 8 positive divisors. The sum of these divisors (counting 21001885) is 1, the average is 0.125.

Base conversion 21001885

Base System Value
2 Binary 1010000000111011010011101
3 Ternary 1110112000011121
4 Quaternary 1100013122131
5 Quinary 20334030020
6 Senary 2030050541
8 Octal 120073235
10 Decimal 21001885
12 Duodecimal 7049a51
16 Hexadecimal 140769d
20 Vigesimal 6b54e5
36 Base36 ci55p

Cryptographic Hash Functions

md5 7578a5690489faf4237ec46fc996d883
sha1 12b03649498387eb4fc5140c3d6ee27902a2e80f
sha256 8c23cc5d609bcc0032bbe079793711f8b0babf060933114295b30311005639f3
sha512 a0412db1e7e3a7c07e8269a6e99bbf4e16f052ec729f679ca8474c66286e9681b1192387ad90129c3752b12d49d80010290b6c64a5ffc65a07b537b27232cdcf
ripemd-160 364ee2bd07c7281a35addb2e6b11f2ecbae13392

21001885 as geometric shapes

Circle

Radius = n
Diameter 42003770
Circumference 131958735.25508
Area 1.3856910912863E+15

Sphere

Radius = n
Volume 3.8802833259625E+22
Surface area 5.5427643651451E+15
Circumference 131958735.25508

Square

Length = n
Perimeter 84007540
Area 441079173553225
Diagonal 29701150.6024

Cube

Length = n
Surface area 2646475041319350
Volume 9.2634940788599E+21
Space diagonal 36376331.874719

Equilateral Triangle

Length = n
Perimeter 63005655
Area 1.9099288468867E+14
Altitude 18188165.937359

Triangular Pyramid

Length = n
Surface area 1.9099288468867E+14
Volume 1.0917132467739E+21
Height 9900383.5341334