21093821 (number)

21093821 is an odd 8-digits composite number following 21093820 and preceding 21093822. In scientific notation, it is written as 2.1093821 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 17015232 positive integers (up to 21093821) that are relatively prime to 21093821.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-three thousand eight hundred twenty-one

Notation

Scientific notation 2.1093821 × 10^7
Engineering notation 2.1093821 × 10^6

Prime Factorization of 21093821

Prime Factorization 7 × 17 × 17 × 10427

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1240813
Product of the distinct prime numbers

The prime factorization of 21093821 is 7 × 17 × 17 × 10427. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 28, 50, 962, 969, 6050, 4839, 27654, 14437, 202448, 782898, 9738497, 3573298, 95476319, 50480800, 739547932, 310331173, 5392157812, 2168536903

Basic calculations (n = 21093821)

Multiplication

n×y
n×2 42187642
n×3 63281463
n×4 84375284
n×5 105469105

Division

n÷y
n÷2 10546910.5
n÷3 7031273.6666667
n÷3 5273455.25
n÷5 4218764.2

Exponentiation

ny
n2 444949284380041
n3 9.3856805587907E+21
n4 1.9797986567031E+29
n5 4.1761518480536E+36

Nth Root

y√n
2√n 4592.8009972129
3√n 276.30267240211
4√n 67.770207297993
5√n 29.162923006411

Divisors of 21093821

1, 7, 17, 119, 289, 2023, 10427, 72989, 177259, 1240813, 3013403, 21093821

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21093820
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21093821 can be divided by 12 positive divisors. The sum of these divisors (counting 21093821) is 1, the average is 0.083333333333333.

Base conversion 21093821

Base System Value
2 Binary 1010000011101110110111101
3 Ternary 1110200200021122
4 Quaternary 1100131312331
5 Quinary 20400000241
6 Senary 2032040325
8 Octal 120356675
10 Decimal 21093821
12 Duodecimal 70930a5
16 Hexadecimal 141ddbd
20 Vigesimal 6bgeb1
36 Base36 ck43h

Cryptographic Hash Functions

md5 c15cc72aa199d4a0c59115bec1856272
sha1 4514714a541cd1bcecc0173614999b988a466754
sha256 c09ec881cbd2c27e155e68bdffc5177310d1c54b3068251777cccd44e2721033
sha512 684fbd43f3546d4f897905bc5734665daf2aecc9a745887cb70a67ba54694805880e8f6eca1b13bd9381d394a700f7d48707a22d5aefcbf1ebb32348c1d2ae19
ripemd-160 b1126700b7530353e64328b515f01af69dccd331

21093821 as geometric shapes

Circle

Radius = n
Diameter 42187642
Circumference 132536386.17948
Area 1.3978494030284E+15

Sphere

Radius = n
Volume 3.9314646789916E+22
Surface area 5.5913976121135E+15
Circumference 132536386.17948

Square

Length = n
Perimeter 84375284
Area 444949284380041
Diagonal 29831167.74047

Cube

Length = n
Surface area 2669695706280246
Volume 9.3856805587907E+21
Space diagonal 36535569.697763

Equilateral Triangle

Length = n
Perimeter 63281463
Area 1.9266869183441E+14
Altitude 18267784.848882

Triangular Pyramid

Length = n
Surface area 1.9266869183441E+14
Volume 1.1061130615286E+21
Height 9943722.5801568