21689906 (number)

21689906 is an even 8-digits composite number following 21689905 and preceding 21689907. In scientific notation, it is written as 2.1689906 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 32 positive divisors. There are 8678016 positive integers (up to 21689906) that are relatively prime to 21689906.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1689906 × 10^7
Engineering notation 2.1689906 × 10^6

Prime Factorization of 21689906

Prime Factorization 2 × 19 × 73 × 7 × 1117

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21689906
Product of the distinct prime numbers

The prime factorization of 21689906 is 2 × 19 × 73 × 7 × 1117. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 10, 71, 81, 290, 327, 409, 3398, 54818, 53157, 439499, 406242, 9003616, 4315850, 70967294, 15157703, 566005177, 600109999, 8982029200, 3502009654

Basic calculations (n = 21689906)

Multiplication

n×y
n×2 43379812
n×3 65069718
n×4 86759624
n×5 108449530

Division

n÷y
n÷2 10844953
n÷3 7229968.6666667
n÷3 5422476.5
n÷5 4337981.2

Exponentiation

ny
n2 470452022288836
n3 1.0204060140955E+22
n4 2.2132510527566E+29
n5 4.8005207288691E+36

Nth Root

y√n
2√n 4657.2423170799
3√n 278.88119023302
4√n 68.243991069397
5√n 29.325912469205

Divisors of 21689906

1, 2, 7, 14, 19, 38, 73, 133, 146, 266, 511, 1022, 1117, 1387, 2234, 2774, 7819, 9709, 15638, 19418, 21223, 42446, 81541, 148561, 163082, 297122, 570787, 1141574, 1549279, 3098558, 10844953, 21689906

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 -21689905
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 21689906 can be divided by 32 positive divisors. The sum of these divisors (counting 21689906) is 1, the average is 0.03125.

Base conversion 21689906

Base System Value
2 Binary 1010010101111011000110010
3 Ternary 1111210221221212
4 Quaternary 1102233120302
5 Quinary 21023034111
6 Senary 2052520122
8 Octal 122573062
10 Decimal 21689906
12 Duodecimal 7320042
16 Hexadecimal 14af632
20 Vigesimal 6fb4f6
36 Base36 cww1e

Cryptographic Hash Functions

md5 02c59b742935f4866c2d13ee513981ca
sha1 861fbc4100676c2aac9ac7a6383e7a3a4e95f13d
sha256 d91cfad9d62000e61e1e236b78755ef4e71c67e8dd45bddb4fb8aac2d76b944b
sha512 7f02a3d00265c554ca812823df4546985d9c73243ad3615b37175f7a5f050ef64ddb99918b9ee7f7501ebd9fb0acc9866744cb99786697a86c3d2f9004a26491
ripemd-160 afc5bca14211bb9345e984edbaf2fdc13ae84a84

21689906 as geometric shapes

Circle

Radius = n
Diameter 43379812
Circumference 136281698.69331
Area 1.4779686170891E+15

Sphere

Radius = n
Volume 4.2742667167483E+22
Surface area 5.9118744683563E+15
Circumference 136281698.69331

Square

Length = n
Perimeter 86759624
Area 470452022288836
Diagonal 30674159.231798

Cube

Length = n
Surface area 2822712133733016
Volume 1.0204060140955E+22
Space diagonal 37568019.203393

Equilateral Triangle

Length = n
Perimeter 65069718
Area 2.0371170128195E+14
Altitude 18784009.601697

Triangular Pyramid

Length = n
Surface area 2.0371170128195E+14
Volume 1.2025600202174E+21
Height 10224719.743933