21909474 (number)

21909474 is an even 8-digits composite number following 21909473 and preceding 21909475. In scientific notation, it is written as 2.1909474 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 7303140 positive integers (up to 21909474) that are relatively prime to 21909474.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1909474 × 10^7
Engineering notation 2.1909474 × 10^6

Prime Factorization of 21909474

Prime Factorization 2 × 3 × 9 × 405731

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21909474
Product of the distinct prime numbers

The prime factorization of 21909474 is 2 × 3 × 9 × 405731. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 62, 66, 829, 184, 9084, 4692, 50983, 7656, 287286, 393946, 5900965, 9864515, 6292069, 34815979, 26981978, 924445972, 3909975378, 3593250095

Basic calculations (n = 21909474)

Multiplication

n×y
n×2 43818948
n×3 65728422
n×4 87637896
n×5 109547370

Division

n÷y
n÷2 10954737
n÷3 7303158
n÷3 5477368.5
n÷5 4381894.8

Exponentiation

ny
n2 480025050956676
n3 1.0517096373284E+22
n4 2.3042404954596E+29
n5 5.0484697225019E+36

Nth Root

y√n
2√n 4680.7557082164
3√n 279.81907529581
4√n 68.416048615923
5√n 29.385047037535

Divisors of 21909474

1, 2, 3, 6, 9, 18, 27, 54, 405731, 811462, 1217193, 2434386, 3651579, 7303158, 10954737, 21909474

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 -21909473
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 21909474 can be divided by 16 positive divisors. The sum of these divisors (counting 21909474) is 1, the average is 0.0625.

Base conversion 21909474

Base System Value
2 Binary 1010011100100111111100010
3 Ternary 1112020010011000
4 Quaternary 1103210333202
5 Quinary 21102100344
6 Senary 2101332430
8 Octal 123447742
10 Decimal 21909474
12 Duodecimal 7407116
16 Hexadecimal 14e4fe2
20 Vigesimal 6gidde
36 Base36 d1lgi

Cryptographic Hash Functions

md5 04df19f969a90b0b8097ed3c04a91790
sha1 a3ce5da2aa2411ad9db06f7934fffc075195fcc1
sha256 c0f6d8be35013040ea5b99b811165cd36c07cdb07b29fbfc8b181019f630004b
sha512 0d1718ed53c23e7c8d0f3055ade61a6137d4bf877c24648f8192604020e43889eafe83e663de8f8aebcb615a736909aa3f6d30ea3ad33ca01373789e316fd462
ripemd-160 31534508a8d51a564bb8a6f94527ecd32d8edea5

21909474 as geometric shapes

Circle

Radius = n
Diameter 43818948
Circumference 137661285.12483
Area 1.5080431736246E+15

Sphere

Radius = n
Volume 4.4053910271206E+22
Surface area 6.0321726944982E+15
Circumference 137661285.12483

Square

Length = n
Perimeter 87637896
Area 480025050956676
Diagonal 30984675.275261

Cube

Length = n
Surface area 2880150305740056
Volume 1.0517096373284E+22
Space diagonal 37948322.135109

Equilateral Triangle

Length = n
Perimeter 65728422
Area 2.078569442907E+14
Altitude 18974161.067555

Triangular Pyramid

Length = n
Surface area 2.078569442907E+14
Volume 1.2394516939903E+21
Height 10328225.091754