21031409 (number)

21031409 is an odd 8-digits composite number following 21031408 and preceding 21031410. In scientific notation, it is written as 2.1031409 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 17297280 positive integers (up to 21031409) that are relatively prime to 21031409.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand four hundred nine

Notation

Scientific notation 2.1031409 × 10^7
Engineering notation 2.1031409 × 10^6

Prime Factorization of 21031409

Prime Factorization 7 × 29 × 331 × 313

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031409
Product of the distinct prime numbers

The prime factorization of 21031409 is 7 × 29 × 331 × 313. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 7, 69, 33, 765, 432, 4361, 6785, 92904, 15791, 551177, 602700, 416998, 2603336, 60224676, 58127184, 611146536, 492940712, 1541634058, 864316589

Basic calculations (n = 21031409)

Multiplication

n×y
n×2 42062818
n×3 63094227
n×4 84125636
n×5 105157045

Division

n÷y
n÷2 10515704.5
n÷3 7010469.6666667
n÷3 5257852.25
n÷5 4206281.8

Exponentiation

ny
n2 442320164525281
n3 9.3026162890785E+21
n4 1.9564712794567E+29
n5 4.1147347675007E+36

Nth Root

y√n
2√n 4586.001417357
3√n 276.02989681742
4√n 67.720022278178
5√n 29.145645204413

Divisors of 21031409

1, 7, 29, 203, 313, 331, 2191, 2317, 9077, 9599, 63539, 67193, 103603, 725221, 3004487, 21031409

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 -21031408
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 21031409 can be divided by 16 positive divisors. The sum of these divisors (counting 21031409) is 1, the average is 0.0625.

Base conversion 21031409

Base System Value
2 Binary 1010000001110100111110001
3 Ternary 1110120111200002
4 Quaternary 1100032213301
5 Quinary 20341001114
6 Senary 2030435345
8 Octal 120164761
10 Decimal 21031409
12 Duodecimal 7062b55
16 Hexadecimal 140e9f1
20 Vigesimal 6b8ia9
36 Base36 cirxt

Cryptographic Hash Functions

md5 b7d620957518e91abd4044fd06cf47c5
sha1 9b8e209f8931983232627f5b9eb5305cf17a881c
sha256 019f96948bc9ac39bdd819f9e4e1650b3c30685317cbfd89593370af8b19f796
sha512 6d7123ab954ec7bf252a6f5ceb33fc2969e5a3a34a89bc3916aba988d86743cba98a45ad32aa7f4327c2a9c3564aec34cec8930738e3d5fac0a09a71c606eb45
ripemd-160 ec0a7062b67bb828efb7029bc8db00cdcae79f7a

21031409 as geometric shapes

Circle

Radius = n
Diameter 42062818
Circumference 132144240.01808
Area 1.3895897794073E+15

Sphere

Radius = n
Volume 3.8966707990578E+22
Surface area 5.558359117629E+15
Circumference 132144240.01808

Square

Length = n
Perimeter 84125636
Area 442320164525281
Diagonal 29742903.843616

Cube

Length = n
Surface area 2653920987151686
Volume 9.3026162890785E+21
Space diagonal 36427468.942761

Equilateral Triangle

Length = n
Perimeter 63094227
Area 1.915302495425E+14
Altitude 18213734.471381

Triangular Pyramid

Length = n
Surface area 1.915302495425E+14
Volume 1.096323843464E+21
Height 9914301.2812052