21105903 (number)

21105903 is an odd 8-digits composite number following 21105902 and preceding 21105904. In scientific notation, it is written as 2.1105903 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 48 positive divisors. There are 10513152 positive integers (up to 21105903) that are relatively prime to 21105903.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred five thousand nine hundred three

Notation

Scientific notation 2.1105903 × 10^7
Engineering notation 2.1105903 × 10^6

Prime Factorization of 21105903

Prime Factorization 7 × 3 × 13 × 13 × 19 × 313

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1623531
Product of the distinct prime numbers

The prime factorization of 21105903 is 7 × 3 × 13 × 13 × 19 × 313. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 2, 15, 68, 437, 214, 2285, 5912, 77823, 83105, 985363, 232107, 6231296, 7808672, 78926625, 999033, 4494526, 813399179, 4196637033, 9464511062

Basic calculations (n = 21105903)

Multiplication

n×y
n×2 42211806
n×3 63317709
n×4 84423612
n×5 105529515

Division

n÷y
n÷2 10552951.5
n÷3 7035301
n÷3 5276475.75
n÷5 4221180.6

Exponentiation

ny
n2 445459141445409
n3 9.4018174298101E+21
n4 1.9843384669728E+29
n5 4.1881255203097E+36

Nth Root

y√n
2√n 4594.1161282667
3√n 276.35541536301
4√n 67.779909473727
5√n 29.166262996236

Divisors of 21105903

1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 169, 247, 273, 313, 399, 507, 741, 939, 1183, 1729, 2191, 3211, 3549, 4069, 5187, 5947, 6573, 9633, 12207, 17841, 22477, 28483, 41629, 52897, 67431, 77311, 85449, 124887, 158691, 231933, 370279, 541177, 1005043, 1110837, 1623531, 3015129, 7035301, 21105903

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21105902
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21105903 can be divided by 48 positive divisors. The sum of these divisors (counting 21105903) is 1, the average is 0.020833333333333.

Base conversion 21105903

Base System Value
2 Binary 1010000100000110011101111
3 Ternary 1110201021212010
4 Quaternary 1100200303233
5 Quinary 20400342103
6 Senary 2032212303
8 Octal 120406357
10 Decimal 21105903
12 Duodecimal 709a093
16 Hexadecimal 1420cef
20 Vigesimal 6bi4f3
36 Base36 ckdf3

Cryptographic Hash Functions

md5 7ba1f5374a3e4a13cd5e2cb2e8808e72
sha1 2cbee3b1366bc92c702eecc93711122ae3c5420e
sha256 3264c3fd8dfa4156f7f4772325badc0ddab294ac3816544741a5a954319cbb7f
sha512 ee627fd6d640c5d2ea6672c234ffbbdc8e27db9a2a1ba850ed7d46a7f6773c006be933494892614583a29c9c399165ff1df5362b4e89553e4a46cc14c8fb6ace
ripemd-160 3e863aa599a2b0d38188b0311bd2c442c1f371ed

21105903 as geometric shapes

Circle

Radius = n
Diameter 42211806
Circumference 132612299.62436
Area 1.3994511662393E+15

Sphere

Radius = n
Volume 3.9382240757178E+22
Surface area 5.5978046649573E+15
Circumference 132612299.62436

Square

Length = n
Perimeter 84423612
Area 445459141445409
Diagonal 29848254.268731

Cube

Length = n
Surface area 2672754848672454
Volume 9.4018174298101E+21
Space diagonal 36556496.33562

Equilateral Triangle

Length = n
Perimeter 63317709
Area 1.9288946641986E+14
Altitude 18278248.16781

Triangular Pyramid

Length = n
Surface area 1.9288946641986E+14
Volume 1.1080148100161E+21
Height 9949418.089577