21085512 (number)

21085512 is an even 8-digits composite number following 21085511 and preceding 21085513. In scientific notation, it is written as 2.1085512 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 16 positive divisors. There are 6024384 positive integers (up to 21085512) that are relatively prime to 21085512.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1085512 × 10^7
Engineering notation 2.1085512 × 10^6

Prime Factorization of 21085512

Prime Factorization 2 × 2 × 2 × 21 × 125509

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5271378
Product of the distinct prime numbers

The prime factorization of 21085512 is 2 × 2 × 2 × 21 × 125509. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 4, 75, 57, 235, 698, 229, 5435, 92518, 47724, 565031, 178535, 5809406, 6995920, 39327832, 46853080, 409578393, 681468994, 1583377734, 4746476757

Basic calculations (n = 21085512)

Multiplication

n×y
n×2 42171024
n×3 63256536
n×4 84342048
n×5 105427560

Division

n÷y
n÷2 10542756
n÷3 7028504
n÷3 5271378
n÷5 4217102.4

Exponentiation

ny
n2 444598816302144
n3 9.3745936763247E+21
n4 1.9766810745727E+29
n5 4.1679332518075E+36

Nth Root

y√n
2√n 4591.8963402934
3√n 276.2663884683
4√n 67.763532525197
5√n 29.16062514946

Divisors of 21085512

1, 2, 4, 8, 21, 42, 84, 168, 125509, 251018, 502036, 1004072, 2635689, 5271378, 10542756, 21085512

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 -21085511
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 21085512 can be divided by 16 positive divisors. The sum of these divisors (counting 21085512) is 1, the average is 0.0625.

Base conversion 21085512

Base System Value
2 Binary 1010000011011110101001000
3 Ternary 1110200020212220
4 Quaternary 1100123311020
5 Quinary 20344214022
6 Senary 2031534040
8 Octal 120336510
10 Decimal 21085512
12 Duodecimal 708a320
16 Hexadecimal 141bd48
20 Vigesimal 6bfdfc
36 Base36 cjxoo

Cryptographic Hash Functions

md5 e5996454b4431f2977e6d82e0924501b
sha1 161f377d0401306e219713ddeaffbbc24472f213
sha256 59a8e1c2ea5635adc64eb643c8b7d2c86852263da499c7906fc58e3b34bc91ca
sha512 c51ba79e28c42c7e089e1d1bdb6cb4ed311738cddccc94edce6807938bfca89c1b3b19a736d53cf74e7238ab846be2f7e6b479b1d9991d63d57994dbcfcc9b46
ripemd-160 016eaf80aaf24a3523ef689e9398f1a569ccccb3

21085512 as geometric shapes

Circle

Radius = n
Diameter 42171024
Circumference 132484179.19276
Area 1.3967483750895E+15

Sphere

Radius = n
Volume 3.9268206165241E+22
Surface area 5.5869935003581E+15
Circumference 132484179.19276

Square

Length = n
Perimeter 84342048
Area 444598816302144
Diagonal 29819417.039981

Cube

Length = n
Surface area 2667592897812864
Volume 9.3745936763247E+21
Space diagonal 36521178.087603

Equilateral Triangle

Length = n
Perimeter 63256536
Area 1.9251693470507E+14
Altitude 18260589.043802

Triangular Pyramid

Length = n
Surface area 1.9251693470507E+14
Volume 1.1048064598996E+21
Height 9939805.6799935