212921 (number)

212921 is an odd 6-digits composite number following 212920 and preceding 212922. In scientific notation, it is written as 2.12921 × 10^5. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 211344 positive integers (up to 212921) that are relatively prime to 212921.

Interesting facts

Basic properties

Name

Name two hundred twelve thousand nine hundred twenty-one

Notation

Scientific notation 2.12921 × 10^5
Engineering notation 2.12921 × 10^3

Prime Factorization of 212921

Prime Factorization 149 × 1429

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 212921
Product of the distinct prime numbers

The prime factorization of 212921 is 149 × 1429. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 212921)

Multiplication

n×y
n×2 425842
n×3 638763
n×4 851684
n×5 1064605

Division

n÷y
n÷2 106460.5
n÷3 70973.666666667
n÷3 53230.25
n÷5 42584.2

Exponentiation

ny
n2 45335352241
n3 9652848534505961
n4 2.0552941628155E+21
n5 4.3761528844085E+26

Nth Root

y√n
2√n 461.4336355317
3√n 59.713541946975
4√n 21.481006390104
5√n 11.631713576971

Divisors of 212921

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 -212920
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 212921 can be divided by 4 positive divisors. The sum of these divisors (counting 212921) is 1, the average is 0.25.

Base conversion 212921

Base System Value
2 Binary 110011111110111001
3 Ternary 101211001222
4 Quaternary 303332321
5 Quinary 23303141
6 Senary 4321425
8 Octal 637671
10 Decimal 212921
12 Duodecimal a3275
16 Hexadecimal 33fb9
20 Vigesimal 16c61
36 Base36 4kah

Cryptographic Hash Functions

md5 16fa85a495d977acedc944e02907e92c
sha1 159117c91108cc66b267db4b7d83fded652b3081
sha256 77fc59e96a8781ba1d9be24f5b7552f36a5a1f0c886a60379a53602342ac3e63
sha512 88dab2fb2e4b69ccd33e09534d31b007d2aed7c3c3e2a673f065a3549ae44470812d153630521b6aaf1c2d4edb4ef6cbc48f7a28052413f4227c167292bf7889
ripemd-160 48337b7d4edabefd29b25a2925359216ccda971f

212921 as geometric shapes

Circle

Radius = n
Diameter 425842
Circumference 1337822.09879
Area 142425209548.23

Sphere

Radius = n
Volume 4.0433757389625E+16
Surface area 569700838192.92
Circumference 1337822.09879

Square

Length = n
Perimeter 851684
Area 45335352241
Diagonal 301115.76591404

Cube

Length = n
Surface area 272012113446
Volume 9652848534505961
Space diagonal 368789.98999837

Equilateral Triangle

Length = n
Perimeter 638763
Area 19630783365.111
Altitude 184394.99499919

Triangular Pyramid

Length = n
Surface area 19630783365.111
Volume 1.1375991094193E+15
Height 100371.92197135