21486906 (number)

21486906 is an even 8-digits composite number following 21486905 and preceding 21486907. In scientific notation, it is written as 2.1486906 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 5940000 positive integers (up to 21486906) that are relatively prime to 21486906.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1486906 × 10^7
Engineering notation 2.1486906 × 10^6

Prime Factorization of 21486906

Prime Factorization 2 × 9 × 7 × 31 × 5501

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21486906
Product of the distinct prime numbers

The prime factorization of 21486906 is 2 × 9 × 7 × 31 × 5501. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 7, 16, 39, 617, 928, 7396, 5222, 10108, 47361, 516629, 618337, 8648787, 7741696, 94429606, 13269601, 213699622, 641180920, 9412280392, 5533151708

Basic calculations (n = 21486906)

Multiplication

n×y
n×2 42973812
n×3 64460718
n×4 85947624
n×5 107434530

Division

n÷y
n÷2 10743453
n÷3 7162302
n÷3 5371726.5
n÷5 4297381.2

Exponentiation

ny
n2 461687129452836
n3 9.9202279519629E+21
n4 2.131550055024E+29
n5 4.5800415666595E+36

Nth Root

y√n
2√n 4635.3970703706
3√n 278.00842753466
4√n 68.083750413521
5√n 29.270812434038

Divisors of 21486906

1, 2, 7, 9, 14, 18, 31, 62, 63, 126, 217, 279, 434, 558, 1953, 3906, 5501, 11002, 38507, 49509, 77014, 99018, 170531, 341062, 346563, 693126, 1193717, 1534779, 2387434, 3069558, 10743453, 21486906

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21486905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21486906 can be divided by 32 positive divisors. The sum of these divisors (counting 21486906) is 1, the average is 0.03125.

Base conversion 21486906

Base System Value
2 Binary 1010001111101110100111010
3 Ternary 1111102122111100
4 Quaternary 1101331310322
5 Quinary 21000040111
6 Senary 2044312230
8 Octal 121756472
10 Decimal 21486906
12 Duodecimal 7242676
16 Hexadecimal 147dd3a
20 Vigesimal 6e5h56
36 Base36 csjei

Cryptographic Hash Functions

md5 8bcd4f1388f992114228b649cfaa7dcf
sha1 a3fa1c28cab77e299d8bdf02f6ce784c59ba35ed
sha256 3d41b4fde5840fff5b5b8132325a3feaf8d7e045c68cc5e7d878e2959333651c
sha512 3fa1169342211d4fa39ef504b8e86bc2b4a360913d771dca24558130bc07bfcbd8d4d295c9b8b0490663d5a9ded5b8a91c52432f480f5bfdf0da582458ea6913
ripemd-160 af284c712897bd5a398c5890bc9744de8745cabb

21486906 as geometric shapes

Circle

Radius = n
Diameter 42973812
Circumference 135006212.07595
Area 1.450432894146E+15

Sphere

Radius = n
Volume 4.155375367443E+22
Surface area 5.801731576584E+15
Circumference 135006212.07595

Square

Length = n
Perimeter 85947624
Area 461687129452836
Diagonal 30387073.878636

Cube

Length = n
Surface area 2770122776717016
Volume 9.9202279519629E+21
Space diagonal 37216412.889457

Equilateral Triangle

Length = n
Perimeter 64460718
Area 1.9991639135324E+14
Altitude 18608206.444728

Triangular Pyramid

Length = n
Surface area 1.9991639135324E+14
Volume 1.1691100759582E+21
Height 10129024.626212