21031278 (number)

21031278 is an even 8-digits composite number following 21031277 and preceding 21031279. In scientific notation, it is written as 2.1031278 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 64 positive divisors. There are 6241280 positive integers (up to 21031278) that are relatively prime to 21031278.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand two hundred seventy-eight

Notation

Scientific notation 2.1031278 × 10^7
Engineering notation 2.1031278 × 10^6

Prime Factorization of 21031278

Prime Factorization 2 × 3 × 17 × 41 × 107 × 47

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 21031278
Product of the distinct prime numbers

The prime factorization of 21031278 is 2 × 3 × 17 × 41 × 107 × 47. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031278)

Multiplication

n×y
n×2 42062556
n×3 63093834
n×4 84125112
n×5 105156390

Division

n÷y
n÷2 10515639
n÷3 7010426
n÷3 5257819.5
n÷5 4206255.6

Exponentiation

ny
n2 442314654313284
n3 9.3024424583366E+21
n4 1.9564225342028E+29
n5 4.1146066202284E+36

Nth Root

y√n
2√n 4585.9871347399
3√n 276.02932370648
4√n 67.719916824668
5√n 29.145608895965

Divisors of 21031278

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031277
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031278 can be divided by 64 positive divisors. The sum of these divisors (counting 21031278) is 1, the average is 0.015625.

Base conversion 21031278

Base System Value
2 Binary 1010000001110100101101110
3 Ternary 1110120111111020
4 Quaternary 1100032211232
5 Quinary 20341000103
6 Senary 2030435010
8 Octal 120164556
10 Decimal 21031278
12 Duodecimal 7062a66
16 Hexadecimal 140e96e
20 Vigesimal 6b8i3i
36 Base36 ciru6

Cryptographic Hash Functions

md5 cb41ec1b3dd7ef31d3960330b722816b
sha1 caf30d4a49cf96ab1f6e3bbb4d29be4f4a79a708
sha256 665a75f37a3385d57e03774d959e74568e80ea6d2c99728bc35a4bdefcc516fa
sha512 e31f23203074202ffbf64667e6c1a6248b4938c52bea70f5af09928457b6fab26a77bb32e7e72fc4f645b93d4d13350feefbaf3198f92a74d670c4cf02890a62
ripemd-160 2a6a99d08298b92877abf98c331591c26fe21988

21031278 as geometric shapes

Circle

Radius = n
Diameter 42062556
Circumference 132143416.92081
Area 1.3895724685657E+15

Sphere

Radius = n
Volume 3.8965979850069E+22
Surface area 5.5582898742629E+15
Circumference 132143416.92081

Square

Length = n
Perimeter 84125112
Area 442314654313284
Diagonal 29742718.581639

Cube

Length = n
Surface area 2653887925879704
Volume 9.3024424583366E+21
Space diagonal 36427242.044106

Equilateral Triangle

Length = n
Perimeter 63093834
Area 1.9152786355072E+14
Altitude 18213621.022053

Triangular Pyramid

Length = n
Surface area 1.9152786355072E+14
Volume 1.0963033573146E+21
Height 9914239.527213