21031211 (number)

21031211 is an odd 8-digits composite number following 21031210 and preceding 21031212. In scientific notation, it is written as 2.1031211 × 10^7. The sum of its digits is 11. It has a total of 2 prime factors and 4 positive divisors. There are 21021000 positive integers (up to 21031211) that are relatively prime to 21031211.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand two hundred eleven

Notation

Scientific notation 2.1031211 × 10^7
Engineering notation 2.1031211 × 10^6

Prime Factorization of 21031211

Prime Factorization 2861 × 7351

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21031211
Product of the distinct prime numbers

The prime factorization of 21031211 is 2861 × 7351. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 4, 76, 89, 878, 868, 8917, 2231, 48522, 93539, 46138, 827915, 6203668, 253902, 98224319, 37414117, 200904292, 158743242, 1910863228, 8292469498

Basic calculations (n = 21031211)

Multiplication

n×y
n×2 42062422
n×3 63093633
n×4 84124844
n×5 105156055

Division

n÷y
n÷2 10515605.5
n÷3 7010403.6666667
n÷3 5257802.75
n÷5 4206242.2

Exponentiation

ny
n2 442311836126521
n3 9.3023535533743E+21
n4 1.9563976037761E+29
n5 4.114541080491E+36

Nth Root

y√n
2√n 4585.9798298728
3√n 276.02903058775
4√n 67.719862890239
5√n 29.145590325926

Divisors of 21031211

1, 2861, 7351, 21031211

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 -21031210
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 21031211 can be divided by 4 positive divisors. The sum of these divisors (counting 21031211) is 1, the average is 0.25.

Base conversion 21031211

Base System Value
2 Binary 1010000001110100100101011
3 Ternary 1110120111101202
4 Quaternary 1100032210223
5 Quinary 20340444321
6 Senary 2030434415
8 Octal 120164453
10 Decimal 21031211
12 Duodecimal 7062a0b
16 Hexadecimal 140e92b
20 Vigesimal 6b8i0b
36 Base36 cirsb

Cryptographic Hash Functions

md5 d1248b7a2fc251468d1943ffb998c2c6
sha1 4282b876d17dcf92607c10f1b8f05e47a13a5cdb
sha256 413345f18abbc379e6b95b1b273d01d470baa3e1180c4451dc78e5bab3586044
sha512 2d8f6c98fc176e65ead65e2d6d38fb2c536ee1c6bbea3a488aa7b6a6dce412fde4f61ca773e6bf1fba96eccbbd5146c7671903514da8b3aff1d5b26acbfe4f60
ripemd-160 e774227462934a55cf670d6046acf0e48fc90085

21031211 as geometric shapes

Circle

Radius = n
Diameter 42062422
Circumference 132142995.94739
Area 1.3895636149709E+15

Sphere

Radius = n
Volume 3.8965607445834E+22
Surface area 5.5582544598836E+15
Circumference 132142995.94739

Square

Length = n
Perimeter 84124844
Area 442311836126521
Diagonal 29742623.82933

Cube

Length = n
Surface area 2653871016759126
Volume 9.3023535533743E+21
Space diagonal 36427125.996701

Equilateral Triangle

Length = n
Perimeter 63093633
Area 1.9152664324005E+14
Altitude 18213562.998351

Triangular Pyramid

Length = n
Surface area 1.9152664324005E+14
Volume 1.0962928797643E+21
Height 9914207.9431101