21978412 (number)

21978412 is an even 8-digits composite number following 21978411 and preceding 21978413. In scientific notation, it is written as 2.1978412 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 10825056 positive integers (up to 21978412) that are relatively prime to 21978412.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred seventy-eight thousand four hundred twelve

Notation

Scientific notation 2.1978412 × 10^7
Engineering notation 2.1978412 × 10^6

Prime Factorization of 21978412

Prime Factorization 2 × 2 × 67 × 82009

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10989206
Product of the distinct prime numbers

The prime factorization of 21978412 is 2 × 2 × 67 × 82009. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 8, 43, 61, 426, 895, 24, 4293, 24428, 36490, 297737, 400541, 9674027, 2140476, 78757705, 27327130, 525733418, 375244751, 1569069900, 2838143840

Basic calculations (n = 21978412)

Multiplication

n×y
n×2 43956824
n×3 65935236
n×4 87913648
n×5 109892060

Division

n÷y
n÷2 10989206
n÷3 7326137.3333333
n÷3 5494603
n÷5 4395682.4

Exponentiation

ny
n2 483050594041744
n3 1.0616684972694E+22
n4 2.3333787640408E+29
n5 5.128395982814E+36

Nth Root

y√n
2√n 4688.113906466
3√n 280.1122509114
4√n 68.469802880292
5√n 29.403515774639

Divisors of 21978412

1, 2, 4, 67, 134, 268, 82009, 164018, 328036, 5494603, 10989206, 21978412

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 -21978411
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 21978412 can be divided by 12 positive divisors. The sum of these divisors (counting 21978412) is 1, the average is 0.083333333333333.

Base conversion 21978412

Base System Value
2 Binary 1010011110101110100101100
3 Ternary 1112100121201021
4 Quaternary 1103311310230
5 Quinary 21111302122
6 Senary 2103023524
8 Octal 123656454
10 Decimal 21978412
12 Duodecimal 743aba4
16 Hexadecimal 14f5d2c
20 Vigesimal 6h760c
36 Base36 d32ng

Cryptographic Hash Functions

md5 90716a6a41f1010e17801db0478769a5
sha1 04cc577c96f489b156f3ab7eb52fcb3e353af200
sha256 3e86fecfd1fce78e02f2c414843b317b14d12048b17358cf6a8f63ab8cde4671
sha512 b3b24049d206967fa736f3ffd09593f5ad34bd5add6b76ae4aa5385dec3c332f78906c4ea8a8a72113e67cdfa1692c3271df810bfea4936cc421dd24595105ee
ripemd-160 a8f92cedecb4b81b06d11cb75ed19743bf2b9bc0

21978412 as geometric shapes

Circle

Radius = n
Diameter 43956824
Circumference 138094435.35354
Area 1.5175481975537E+15

Sphere

Radius = n
Volume 4.4471066020924E+22
Surface area 6.0701927902149E+15
Circumference 138094435.35354

Square

Length = n
Perimeter 87913648
Area 483050594041744
Diagonal 31082168.329824

Cube

Length = n
Surface area 2898303564250464
Volume 1.0616684972694E+22
Space diagonal 38067726.253682

Equilateral Triangle

Length = n
Perimeter 65935236
Area 2.0916704287666E+14
Altitude 19033863.126841

Triangular Pyramid

Length = n
Surface area 2.0916704287666E+14
Volume 1.2511883229856E+21
Height 10360722.776608