21478811 (number)

21478811 is an odd 8-digits composite number following 21478810 and preceding 21478812. In scientific notation, it is written as 2.1478811 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 21459000 positive integers (up to 21478811) that are relatively prime to 21478811.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred seventy-eight thousand eight hundred eleven

Notation

Scientific notation 2.1478811 × 10^7
Engineering notation 2.1478811 × 10^6

Prime Factorization of 21478811

Prime Factorization 1151 × 18661

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21478811
Product of the distinct prime numbers

The prime factorization of 21478811 is 1151 × 18661. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 6, 11, 13, 714, 779, 7505, 5996, 17133, 20302, 490273, 431935, 6711773, 7440049, 69769388, 5715783, 524615683, 138143586, 9657396166, 4631054471

Basic calculations (n = 21478811)

Multiplication

n×y
n×2 42957622
n×3 64436433
n×4 85915244
n×5 107394055

Division

n÷y
n÷2 10739405.5
n÷3 7159603.6666667
n÷3 5369702.75
n÷5 4295762.2

Exponentiation

ny
n2 461339321973721
n3 9.9090201035417E+21
n4 2.1283396999917E+29
n5 4.5714206159919E+36

Nth Root

y√n
2√n 4634.5238158844
3√n 277.97351075176
4√n 68.0773370211
5√n 29.26860659815

Divisors of 21478811

1, 1151, 18661, 21478811

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 -21478810
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 21478811 can be divided by 4 positive divisors. The sum of these divisors (counting 21478811) is 1, the average is 0.25.

Base conversion 21478811

Base System Value
2 Binary 1010001111011110110011011
3 Ternary 1111102020101112
4 Quaternary 1101323312123
5 Quinary 20444310221
6 Senary 2044210535
8 Octal 121736633
10 Decimal 21478811
12 Duodecimal 7239a4b
16 Hexadecimal 147bd9b
20 Vigesimal 6e4h0b
36 Base36 csd5n

Cryptographic Hash Functions

md5 fd3acc04afee1e8c4db134e89b256d6c
sha1 1c2e3e5eb8d784fc926b82271d36b41ce2fe1398
sha256 0f1a969504e9bd730daeda853a3196c1772bc92e3cebfea9939b300da8b01ec6
sha512 9041a133186100201aaf2b5e14fad3cc63c891bfdca048528d67a6d4d22abf79d9cb5d3b54fa7ac2f25813628c78ad43026194f5bac5d71ce9e615ec9cd88fc5
ripemd-160 efeae2225d97316bb0d7ec36b072ebfe930d322f

21478811 as geometric shapes

Circle

Radius = n
Diameter 42957622
Circumference 134955349.69089
Area 1.4493402247247E+15

Sphere

Radius = n
Volume 4.1506806348747E+22
Surface area 5.797360898899E+15
Circumference 134955349.69089

Square

Length = n
Perimeter 85915244
Area 461339321973721
Diagonal 30375625.819848

Cube

Length = n
Surface area 2768035931842326
Volume 9.9090201035417E+21
Space diagonal 37202391.938169

Equilateral Triangle

Length = n
Perimeter 64436433
Area 1.9976578629697E+14
Altitude 18601195.969085

Triangular Pyramid

Length = n
Surface area 1.9976578629697E+14
Volume 1.1677892183547E+21
Height 10125208.606616