21142816 (number)

21142816 is an even 8-digits composite number following 21142815 and preceding 21142817. In scientific notation, it is written as 2.1142816 × 10^7. The sum of its digits is 25. It has a total of 7 prime factors and 24 positive divisors. There are 10545408 positive integers (up to 21142816) that are relatively prime to 21142816.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred forty-two thousand eight hundred sixteen

Notation

Scientific notation 2.1142816 × 10^7
Engineering notation 2.1142816 × 10^6

Prime Factorization of 21142816

Prime Factorization 2 × 2 × 2 × 2 × 2 × 829 × 797

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1321426
Product of the distinct prime numbers

The prime factorization of 21142816 is 2 × 2 × 2 × 2 × 2 × 829 × 797. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21142816)

Multiplication

n×y
n×2 42285632
n×3 63428448
n×4 84571264
n×5 105714080

Division

n÷y
n÷2 10571408
n÷3 7047605.3333333
n÷3 5285704
n÷5 4228563.2

Exponentiation

ny
n2 447018668409856
n3 9.4512334547546E+21
n4 1.9982568990692E+29
n5 4.2248777937751E+36

Nth Root

y√n
2√n 4598.1317945444
3√n 276.51643139362
4√n 67.809525839254
5√n 29.17645788703

Divisors of 21142816

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 -21142815
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 21142816 can be divided by 24 positive divisors. The sum of these divisors (counting 21142816) is 1, the average is 0.041666666666667.

Base conversion 21142816

Base System Value
2 Binary 1010000101001110100100000
3 Ternary 1110210011111021
4 Quaternary 1100221310200
5 Quinary 20403032231
6 Senary 2033055224
8 Octal 120516440
10 Decimal 21142816
12 Duodecimal 70b7514
16 Hexadecimal 1429d20
20 Vigesimal 6c2h0g
36 Base36 cl5wg

Cryptographic Hash Functions

md5 ea4a26d65dce5bb1b0851a8d25fc14d3
sha1 c2cef04320f8b667562c4eeee4a27fbd627c606f
sha256 aa18dacba69df2c17cb1777ff9239df2320feca7cf2e6b96ec9e7a26d189e592
sha512 9b7bd08b92736b0d6d034b70dafb4562dfd5535766272ba299ed48f911a7655ac058bf0018cc877aef6776630a4795efde564c09685ee59f766d9062ebfd08c8
ripemd-160 a00bdfc2b544f24211ca6dd7b3c0ef57fd5b5079

21142816 as geometric shapes

Circle

Radius = n
Diameter 42285632
Circumference 132844230.8436
Area 1.4043505646939E+15

Sphere

Radius = n
Volume 3.9589234118425E+22
Surface area 5.6174022587756E+15
Circumference 132844230.8436

Square

Length = n
Perimeter 84571264
Area 447018668409856
Diagonal 29900457.133959

Cube

Length = n
Surface area 2682112010459136
Volume 9.4512334547546E+21
Space diagonal 36620431.52708

Equilateral Triangle

Length = n
Perimeter 63428448
Area 1.9356476140441E+14
Altitude 18310215.76354

Triangular Pyramid

Length = n
Surface area 1.9356476140441E+14
Volume 1.1138385444057E+21
Height 9966819.044653