21000885 (number)

21000885 is an odd 8-digits composite number following 21000884 and preceding 21000886. In scientific notation, it is written as 2.1000885 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 11073920 positive integers (up to 21000885) that are relatively prime to 21000885.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred eighty-five

Notation

Scientific notation 2.1000885 × 10^7
Engineering notation 2.1000885 × 10^6

Prime Factorization of 21000885

Prime Factorization 3 × 5 × 89 × 15731

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21000885
Product of the distinct prime numbers

The prime factorization of 21000885 is 3 × 5 × 89 × 15731. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 2, 54, 89, 886, 806, 7444, 4591, 49824, 60671, 868769, 743973, 3220032, 7741432, 21042485, 61985825, 620670719, 836304273, 280891841, 7339925715

Basic calculations (n = 21000885)

Multiplication

n×y
n×2 42001770
n×3 63002655
n×4 84003540
n×5 105004425

Division

n÷y
n÷2 10500442.5
n÷3 7000295
n÷3 5250221.25
n÷5 4200177

Exponentiation

ny
n2 441037170783225
n3 9.2621709043439E+21
n4 1.9451378601247E+29
n5 4.0849616509625E+36

Nth Root

y√n
2√n 4582.6722553549
3√n 275.89629321525
4√n 67.695437478127
5√n 29.137180164357

Divisors of 21000885

1, 3, 5, 15, 89, 267, 445, 1335, 15731, 47193, 78655, 235965, 1400059, 4200177, 7000295, 21000885

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000884
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000885 can be divided by 16 positive divisors. The sum of these divisors (counting 21000885) is 1, the average is 0.0625.

Base conversion 21000885

Base System Value
2 Binary 1010000000111001010110101
3 Ternary 1110111221210120
4 Quaternary 1100013022311
5 Quinary 20334012020
6 Senary 2030042153
8 Octal 120071265
10 Decimal 21000885
12 Duodecimal 7049359
16 Hexadecimal 14072b5
20 Vigesimal 6b5245
36 Base36 ci4dx

Cryptographic Hash Functions

md5 b660277743dd65c0f657d44f0aa04c2e
sha1 8ce52bbb149b6feef1c3eac27e37e9884fd292fe
sha256 46411d95ae097e394ec2617a0ea052bf1e2814724ea31a9c3e85b909b6af91dd
sha512 85615cc7c5d7dc54fa6b20ab3a7f972d40a0b8e9fce93ca3537fd1f5bac083e53a8764bdb3b33f7ea032c0228e218aeff66a5e3597bd8f75aa023a87af58033c
ripemd-160 d58a74e490f356f839d92be39c6502841a78dbb2

21000885 as geometric shapes

Circle

Radius = n
Diameter 42001770
Circumference 131952452.06977
Area 1.3855591356926E+15

Sphere

Radius = n
Volume 3.8797290759173E+22
Surface area 5.5422365427704E+15
Circumference 131952452.06977

Square

Length = n
Perimeter 84003540
Area 441037170783225
Diagonal 29699736.388838

Cube

Length = n
Surface area 2646223024699350
Volume 9.2621709043439E+21
Space diagonal 36374599.823911

Equilateral Triangle

Length = n
Perimeter 63002655
Area 1.9097469695574E+14
Altitude 18187299.911956

Triangular Pyramid

Length = n
Surface area 1.9097469695574E+14
Volume 1.0915573091617E+21
Height 9899912.1296126