21039940 (number)

21039940 is an even 8-digits composite number following 21039939 and preceding 21039941. In scientific notation, it is written as 2.1039940 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 7889024 positive integers (up to 21039940) that are relatively prime to 21039940.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1039940 × 10^7
Engineering notation 2.1039940 × 10^6

Prime Factorization of 21039940

Prime Factorization 2 × 2 × 6095 × 863

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10519970
Product of the distinct prime numbers

The prime factorization of 21039940 is 2 × 2 × 6095 × 863. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 3, 93, 79, 108, 35, 7945, 7774, 24740, 95083, 61718, 724737, 414538, 5472714, 80505817, 81448528, 30685104, 119397907, 8850653747, 3380050579

Basic calculations (n = 21039940)

Multiplication

n×y
n×2 42079880
n×3 63119820
n×4 84159760
n×5 105199700

Division

n÷y
n÷2 10519970
n÷3 7013313.3333333
n÷3 5259985
n÷5 4207988

Exponentiation

ny
n2 442679075203600
n3 9.3139411815392E+21
n4 1.9596476362311E+29
n5 4.1230868687445E+36

Nth Root

y√n
2√n 4586.9314361564
3√n 276.06721390391
4√n 67.726888575782
5√n 29.148009298671

Divisors of 21039940

1, 2, 4, 863, 1726, 3452, 6095, 12190, 24380, 5259985, 10519970, 21039940

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 -21039939
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 21039940 can be divided by 12 positive divisors. The sum of these divisors (counting 21039940) is 1, the average is 0.083333333333333.

Base conversion 21039940

Base System Value
2 Binary 1010000010000101101000100
3 Ternary 1110120221101001
4 Quaternary 1100100231010
5 Quinary 20341234230
6 Senary 2030543044
8 Octal 120205504
10 Decimal 21039940
12 Duodecimal 7067a84
16 Hexadecimal 1410b44
20 Vigesimal 6b9jh0
36 Base36 ciyis

Cryptographic Hash Functions

md5 34adb5acb921366bc7471e26f6fcfa50
sha1 11c355995b14b463af46c783cc6544865b7a3e8e
sha256 5e726a9e84c3399b19f104eac9c55a092b5726e0e93a72bd0dbd9cb4351a5a3b
sha512 e124d79e1237bd720be5b8b4a45773ff47a1b15c9c8e8aaf60ebb60f732b16b8607cf76fdedf95b5042f63e4613babb8790dd25ab4ef7da116fab5081cf3e2b6
ripemd-160 2f5ba4c4a2d49f0c324b75858638a489fd2b48d0

21039940 as geometric shapes

Circle

Radius = n
Diameter 42079880
Circumference 132197841.87194
Area 1.3907173305576E+15

Sphere

Radius = n
Volume 3.9014145589188E+22
Surface area 5.5628693222302E+15
Circumference 132197841.87194

Square

Length = n
Perimeter 84159760
Area 442679075203600
Diagonal 29754968.499516

Cube

Length = n
Surface area 2656074451221600
Volume 9.3139411815392E+21
Space diagonal 36442245.068201

Equilateral Triangle

Length = n
Perimeter 63119820
Area 1.9168566242506E+14
Altitude 18221122.5341

Triangular Pyramid

Length = n
Surface area 1.9168566242506E+14
Volume 1.0976584948398E+21
Height 9918322.8331721