21402685 (number)

21402685 is an odd 8-digits composite number following 21402684 and preceding 21402686. In scientific notation, it is written as 2.1402685 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 17122144 positive integers (up to 21402685) that are relatively prime to 21402685.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred two thousand six hundred eighty-five

Notation

Scientific notation 2.1402685 × 10^7
Engineering notation 2.1402685 × 10^6

Prime Factorization of 21402685

Prime Factorization 5 × 4280537

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21402685
Product of the distinct prime numbers

The prime factorization of 21402685 is 5 × 4280537. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21402685)

Multiplication

n×y
n×2 42805370
n×3 64208055
n×4 85610740
n×5 107013425

Division

n÷y
n÷2 10701342.5
n÷3 7134228.3333333
n÷3 5350671.25
n÷5 4280537

Exponentiation

ny
n2 458074925209225
n3 9.8040333306516E+21
n4 2.0983263710544E+29
n5 4.490981834687E+36

Nth Root

y√n
2√n 4626.3036000678
3√n 277.64472066025
4√n 68.016936126731
5√n 29.247830145967

Divisors of 21402685

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 -21402684
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 21402685 can be divided by 4 positive divisors. The sum of these divisors (counting 21402685) is 1, the average is 0.25.

Base conversion 21402685

Base System Value
2 Binary 1010001101001010000111101
3 Ternary 1111021100222001
4 Quaternary 1101221100331
5 Quinary 20434341220
6 Senary 2042422301
8 Octal 121512075
10 Decimal 21402685
12 Duodecimal 7201991
16 Hexadecimal 146943d
20 Vigesimal 6df6e5
36 Base36 cqqf1

Cryptographic Hash Functions

md5 5cf587a6c7024ce8221aa53d2322868f
sha1 4dd15064d3a4add324fbf2c0c161b1377c13e27b
sha256 8070cf892de98802033f2d0d426404ea2953f6ccdbc09177a804879fb99d42dc
sha512 34a31aa5cdb8a526edc2a2eb768401c315780f06d08f718d78b0688e2b6f209a48755d1248a9a3f0236d8ed46811beb1d955cc94bc2de9a00997c93a0652923d
ripemd-160 04eceb18cad721ee37dd58e9e6b2427a8523fec8

21402685 as geometric shapes

Circle

Radius = n
Diameter 42805370
Circumference 134477035.92619
Area 1.439084819831E+15

Sphere

Radius = n
Volume 4.1067038782833E+22
Surface area 5.756339279324E+15
Circumference 134477035.92619

Square

Length = n
Perimeter 85610740
Area 458074925209225
Diagonal 30267967.398199

Cube

Length = n
Surface area 2748449551255350
Volume 9.8040333306516E+21
Space diagonal 37070537.838392

Equilateral Triangle

Length = n
Perimeter 64208055
Area 1.9835226103392E+14
Altitude 18535268.919196

Triangular Pyramid

Length = n
Surface area 1.9835226103392E+14
Volume 1.1554164085138E+21
Height 10089322.466066