21105740 (number)

21105740 is an even 8-digits composite number following 21105739 and preceding 21105741. In scientific notation, it is written as 2.1105740 × 10^7. The sum of its digits is 20. It has a total of 5 prime factors and 24 positive divisors. There are 8408768 positive integers (up to 21105740) that are relatively prime to 21105740.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred five thousand seven hundred forty

Notation

Scientific notation 2.1105740 × 10^7
Engineering notation 2.1105740 × 10^6

Prime Factorization of 21105740

Prime Factorization 2 × 2 × 5 × 269 × 3923

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10552870
Product of the distinct prime numbers

The prime factorization of 21105740 is 2 × 2 × 5 × 269 × 3923. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 7, 56, 65, 317, 623, 4580, 5366, 30777, 9736, 135541, 391035, 1744445, 865376, 91856561, 68205360, 988191277, 3691069, 5216633634, 8500335597

Basic calculations (n = 21105740)

Multiplication

n×y
n×2 42211480
n×3 63317220
n×4 84422960
n×5 105528700

Division

n÷y
n÷2 10552870
n÷3 7035246.6666667
n÷3 5276435
n÷5 4221148

Exponentiation

ny
n2 445452260947600
n3 9.4015996019722E+21
n4 1.9842771678333E+29
n5 4.1879637992226E+36

Nth Root

y√n
2√n 4594.0983881497
3√n 276.3547039341
4√n 67.779778608002
5√n 29.166217946132

Divisors of 21105740

1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 3923, 5380, 7846, 15692, 19615, 39230, 78460, 1055287, 2110574, 4221148, 5276435, 10552870, 21105740

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21105739
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21105740 can be divided by 24 positive divisors. The sum of these divisors (counting 21105740) is 1, the average is 0.041666666666667.

Base conversion 21105740

Base System Value
2 Binary 1010000100000110001001100
3 Ternary 1110201021122002
4 Quaternary 1100200301030
5 Quinary 20400340430
6 Senary 2032211432
8 Octal 120406114
10 Decimal 21105740
12 Duodecimal 7099b78
16 Hexadecimal 1420c4c
20 Vigesimal 6bi470
36 Base36 ckdak

Cryptographic Hash Functions

md5 023368860fc3ee4824857fc7016da485
sha1 c9b947d3a6db3d008e92d7187e4f3e9ff77a1c03
sha256 33d46811722e5e49b0468306e55942d646f8655056bf2e4867e3d1e557c68cf5
sha512 2ec18fcdfb39114eec5e50f60102764d6bd3f06300f100a7904f789f28d35c0c104a41cb5ae37641e6fd4e06d6d56ee143ce04353ae26807580e8872fd84bac2
ripemd-160 ad7dacb4557be66121c4017c26052d7b1b3677d4

21105740 as geometric shapes

Circle

Radius = n
Diameter 42211480
Circumference 132611275.46515
Area 1.3994295505179E+15

Sphere

Radius = n
Volume 3.9381328322065E+22
Surface area 5.5977182020718E+15
Circumference 132611275.46515

Square

Length = n
Perimeter 84422960
Area 445452260947600
Diagonal 29848023.75192

Cube

Length = n
Surface area 2672713565685600
Volume 9.4015996019722E+21
Space diagonal 36556214.011339

Equilateral Triangle

Length = n
Perimeter 63317220
Area 1.9288648707692E+14
Altitude 18278107.005669

Triangular Pyramid

Length = n
Surface area 1.9288648707692E+14
Volume 1.1079891387592E+21
Height 9949341.2506401