21642015 (number)

21642015 is an odd 8-digits composite number following 21642014 and preceding 21642016. In scientific notation, it is written as 2.1642015 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 11509632 positive integers (up to 21642015) that are relatively prime to 21642015.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred forty-two thousand fifteen

Notation

Scientific notation 2.1642015 × 10^7
Engineering notation 2.1642015 × 10^6

Prime Factorization of 21642015

Prime Factorization 3 × 5 × 389 × 3709

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21642015
Product of the distinct prime numbers

The prime factorization of 21642015 is 3 × 5 × 389 × 3709. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 10, 87, 11, 180, 177, 2380, 1077, 88543, 75848, 79919, 150258, 2073235, 4940766, 54098049, 7091552, 534156960, 673571064, 5681559961, 6122128938

Basic calculations (n = 21642015)

Multiplication

n×y
n×2 43284030
n×3 64926045
n×4 86568060
n×5 108210075

Division

n÷y
n÷2 10821007.5
n÷3 7214005
n÷3 5410503.75
n÷5 4328403

Exponentiation

ny
n2 468376813260225
n3 1.013661801823E+22
n4 2.193768391998E+29
n5 4.7477568446147E+36

Nth Root

y√n
2√n 4652.0979138449
3√n 278.67578376369
4√n 68.206289400941
5√n 29.312950777996

Divisors of 21642015

1, 3, 5, 15, 389, 1167, 1945, 3709, 5835, 11127, 18545, 55635, 1442801, 4328403, 7214005, 21642015

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 -21642014
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 21642015 can be divided by 16 positive divisors. The sum of these divisors (counting 21642015) is 1, the average is 0.0625.

Base conversion 21642015

Base System Value
2 Binary 1010010100011101100011111
3 Ternary 1111201112021010
4 Quaternary 1102203230133
5 Quinary 21020021030
6 Senary 2051510303
8 Octal 122435437
10 Decimal 21642015
12 Duodecimal 72b8393
16 Hexadecimal 14a3b1f
20 Vigesimal 6f550f
36 Base36 cvv33

Cryptographic Hash Functions

md5 9b2f902bd6b5d7a26cc7e9d082a3ef92
sha1 56b49064df75da2fe695ee0cc71b26c0447a6ec3
sha256 79476a6d005d7e4599c1ed8a2fdadea7dd865a41bbed78ddbe285c6e971e87e5
sha512 450684906307fba055a1d0f5cd0f9f84dca92ced58dd3bc964f26737fac484de3d98b908909c565057048dff742b55e53d763aee47599a1dc32a29a082810609
ripemd-160 eccc0af013f06f567e3c9a81a65ccffae8bb8ef4

21642015 as geometric shapes

Circle

Radius = n
Diameter 43284030
Circumference 135980790.66576
Area 1.4714491556501E+15

Sphere

Radius = n
Volume 4.2460166264423E+22
Surface area 5.8857966226005E+15
Circumference 135980790.66576

Square

Length = n
Perimeter 86568060
Area 468376813260225
Diagonal 30606431.130082

Cube

Length = n
Surface area 2810260879561350
Volume 1.013661801823E+22
Space diagonal 37485069.558168

Equilateral Triangle

Length = n
Perimeter 64926045
Area 2.0281310941348E+14
Altitude 18742534.779084

Triangular Pyramid

Length = n
Surface area 2.0281310941348E+14
Volume 1.1946118898314E+21
Height 10202143.710027