21479986 (number)

21479986 is an even 8-digits composite number following 21479985 and preceding 21479987. In scientific notation, it is written as 2.1479986 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 9743200 positive integers (up to 21479986) that are relatively prime to 21479986.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred seventy-nine thousand nine hundred eighty-six

Notation

Scientific notation 2.1479986 × 10^7
Engineering notation 2.1479986 × 10^6

Prime Factorization of 21479986

Prime Factorization 2 × 11 × 761 × 1283

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21479986
Product of the distinct prime numbers

The prime factorization of 21479986 is 2 × 11 × 761 × 1283. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 84, 95, 925, 2, 4008, 5819, 48433, 26273, 207515, 132862, 2553919, 5376375, 59573195, 25101120, 46349518, 478388709, 3366539465, 8786736287

Basic calculations (n = 21479986)

Multiplication

n×y
n×2 42959972
n×3 64439958
n×4 85919944
n×5 107399930

Division

n÷y
n÷2 10739993
n÷3 7159995.3333333
n÷3 5369996.5
n÷5 4295997.2

Exponentiation

ny
n2 461389798560196
n3 9.9106464136158E+21
n4 2.1288054621542E+29
n5 4.5726711523795E+36

Nth Root

y√n
2√n 4634.6505801409
3√n 277.97857951339
4√n 68.078268045984
5√n 29.268926819416

Divisors of 21479986

1, 2, 11, 22, 761, 1283, 1522, 2566, 8371, 14113, 16742, 28226, 976363, 1952726, 10739993, 21479986

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21479985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21479986 can be divided by 16 positive divisors. The sum of these divisors (counting 21479986) is 1, the average is 0.0625.

Base conversion 21479986

Base System Value
2 Binary 1010001111100001000110010
3 Ternary 1111102022000001
4 Quaternary 1101330020302
5 Quinary 20444324421
6 Senary 2044220214
8 Octal 121741062
10 Decimal 21479986
12 Duodecimal 723a66a
16 Hexadecimal 147c232
20 Vigesimal 6e4jj6
36 Base36 cse2a

Cryptographic Hash Functions

md5 6bc5355ad81f61ceda65d6bf442fb0ff
sha1 174490322221b85c2b8771e85592a8d26a64af8f
sha256 8056db0d6e8e3f0c2fa81d8620e9009f7e1d77181d87a1102413138c5b0b369e
sha512 df82c42c2c7b3e9146b6ead62a3fccf3fa42994daffcbb9f73d6928fe625ce6dfe703343de164e777808e9c48aa388a26f66977c2e302a43904ff1649c1225fc
ripemd-160 34b9fab641ba06ec46e83f4cf71be85c4e1e5f22

21479986 as geometric shapes

Circle

Radius = n
Diameter 42959972
Circumference 134962732.43362
Area 1.449498801598E+15

Sphere

Radius = n
Volume 4.1513618620455E+22
Surface area 5.7979952063919E+15
Circumference 134962732.43362

Square

Length = n
Perimeter 85919944
Area 461389798560196
Diagonal 30377287.520784

Cube

Length = n
Surface area 2768338791361176
Volume 9.9106464136158E+21
Space diagonal 37204427.097868

Equilateral Triangle

Length = n
Perimeter 64439958
Area 1.9978764330006E+14
Altitude 18602213.548934

Triangular Pyramid

Length = n
Surface area 1.9978764330006E+14
Volume 1.167980880835E+21
Height 10125762.506928