21085212 (number)

21085212 is an even 8-digits composite number following 21085211 and preceding 21085213. In scientific notation, it is written as 2.1085212 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors. There are 6658416 positive integers (up to 21085212) that are relatively prime to 21085212.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1085212 × 10^7
Engineering notation 2.1085212 × 10^6

Prime Factorization of 21085212

Prime Factorization 2 × 2 × 3 × 19 × 92479

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10542606
Product of the distinct prime numbers

The prime factorization of 21085212 is 2 × 2 × 3 × 19 × 92479. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 10, 69, 67, 965, 161, 6463, 8626, 73175, 56489, 394864, 106519, 8558337, 5798504, 28344316, 25448437, 995587357, 559518162, 5651730155, 4132403618

Basic calculations (n = 21085212)

Multiplication

n×y
n×2 42170424
n×3 63255636
n×4 84340848
n×5 105426060

Division

n÷y
n÷2 10542606
n÷3 7028404
n÷3 5271303
n÷5 4217042.4

Exponentiation

ny
n2 444586165084944
n3 9.374193543083E+21
n4 1.9765685818494E+29
n5 4.1676367580833E+36

Nth Root

y√n
2√n 4591.8636739346
3√n 276.26507824307
4√n 67.763291492773
5√n 29.160542170803

Divisors of 21085212

1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 92479, 184958, 277437, 369916, 554874, 1109748, 1757101, 3514202, 5271303, 7028404, 10542606, 21085212

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21085211
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21085212 can be divided by 24 positive divisors. The sum of these divisors (counting 21085212) is 1, the average is 0.041666666666667.

Base conversion 21085212

Base System Value
2 Binary 1010000011011110000011100
3 Ternary 1110200020110210
4 Quaternary 1100123300130
5 Quinary 20344211322
6 Senary 2031532420
8 Octal 120336034
10 Decimal 21085212
12 Duodecimal 708a110
16 Hexadecimal 141bc1c
20 Vigesimal 6bfd0c
36 Base36 cjxgc

Cryptographic Hash Functions

md5 50e2aa58e1775c3be2344ba3f80d6677
sha1 e2ce089dc04fc3cb35008a30f7599e1719fc2e54
sha256 eda0cd5b342613c8fd215b2899e04e936063f6412881d96472ff25189a908174
sha512 f2fc7fb107e29ace89f5f54e95497fd0a813e37f8d2aba8c7fef8fdf0660f8a097e125a3b67153ee2e6e81728442caf3be63553c2f3b455d139fb2209741af52
ripemd-160 b97854afe04612491f6f8eac1f2835123c56d85d

21085212 as geometric shapes

Circle

Radius = n
Diameter 42170424
Circumference 132482294.23717
Area 1.3967086301185E+15

Sphere

Radius = n
Volume 3.9266530091038E+22
Surface area 5.5868345204741E+15
Circumference 132482294.23717

Square

Length = n
Perimeter 84340848
Area 444586165084944
Diagonal 29818992.775912

Cube

Length = n
Surface area 2667516990509664
Volume 9.374193543083E+21
Space diagonal 36520658.472361

Equilateral Triangle

Length = n
Perimeter 63255636
Area 1.9251145656733E+14
Altitude 18260329.23618

Triangular Pyramid

Length = n
Surface area 1.9251145656733E+14
Volume 1.1047593037449E+21
Height 9939664.2586373