21490904 (number)

21490904 is an even 8-digits composite number following 21490903 and preceding 21490905. In scientific notation, it is written as 2.1490904 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors. There are 10732320 positive integers (up to 21490904) that are relatively prime to 21490904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490904 × 10^7
Engineering notation 2.1490904 × 10^6

Prime Factorization of 21490904

Prime Factorization 2 × 2 × 2 × 1741 × 1543

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5372726
Product of the distinct prime numbers

The prime factorization of 21490904 is 2 × 2 × 2 × 1741 × 1543. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 8, 70, 60, 586, 138, 712, 8779, 77898, 4074, 564636, 932214, 822448, 3495362, 58747484, 18143417, 700062188, 837962020, 825630905, 8400870827

Basic calculations (n = 21490904)

Multiplication

n×y
n×2 42981808
n×3 64472712
n×4 85963616
n×5 107454520

Division

n÷y
n÷2 10745452
n÷3 7163634.6666667
n÷3 5372726
n÷5 4298180.8

Exponentiation

ny
n2 461858954737216
n3 9.9257664577979E+21
n4 2.1331369407095E+29
n5 4.5843041211642E+36

Nth Root

y√n
2√n 4635.8282970792
3√n 278.02566917885
4√n 68.086917224083
5√n 29.2719016183

Divisors of 21490904

1, 2, 4, 8, 1543, 1741, 3086, 3482, 6172, 6964, 12344, 13928, 2686363, 5372726, 10745452, 21490904

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 -21490903
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 21490904 can be divided by 16 positive divisors. The sum of these divisors (counting 21490904) is 1, the average is 0.0625.

Base conversion 21490904

Base System Value
2 Binary 1010001111110110011011000
3 Ternary 1111102211222102
4 Quaternary 1101332303120
5 Quinary 21000202104
6 Senary 2044342532
8 Octal 121766330
10 Decimal 21490904
12 Duodecimal 7244a48
16 Hexadecimal 147ecd8
20 Vigesimal 6e6754
36 Base36 csmhk

Cryptographic Hash Functions

md5 55a514cf83b9831d5d122e2ed9acfd9a
sha1 cfeb8079021d6907139bda2738aae15a099912ec
sha256 41c0d0304947e965bbc55c66d3c7986639a2cc14a24b0502481dab09e8ebdaf1
sha512 7efe1536294fc1196d22a66f95d37a1674efa912d4720c9d1a31fc1a31f6ae03fd13b3d2d05827b2b56ee290329ff0ba584a20e9c9cd4262300a77262b8d780a
ripemd-160 dc9738eef802186edd6487d1aa587d1fc39c6ff3

21490904 as geometric shapes

Circle

Radius = n
Diameter 42981808
Circumference 135031332.25081
Area 1.4509726991971E+15

Sphere

Radius = n
Volume 4.1576953313421E+22
Surface area 5.8038907967884E+15
Circumference 135031332.25081

Square

Length = n
Perimeter 85963616
Area 461858954737216
Diagonal 30392727.904458

Cube

Length = n
Surface area 2771153728423296
Volume 9.9257664577979E+21
Space diagonal 37223337.628585

Equilateral Triangle

Length = n
Perimeter 64472712
Area 1.9999079388388E+14
Altitude 18611668.814293

Triangular Pyramid

Length = n
Surface area 1.9999079388388E+14
Volume 1.1697627951305E+21
Height 10130909.301486