21871844 (number)

21871844 is an even 8-digits composite number following 21871843 and preceding 21871845. In scientific notation, it is written as 2.1871844 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 10829544 positive integers (up to 21871844) that are relatively prime to 21871844.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred seventy-one thousand eight hundred forty-four

Notation

Scientific notation 2.1871844 × 10^7
Engineering notation 2.1871844 × 10^6

Prime Factorization of 21871844

Prime Factorization 2 × 2 × 103 × 53087

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10935922
Product of the distinct prime numbers

The prime factorization of 21871844 is 2 × 2 × 103 × 53087. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 9, 20, 15, 119, 193, 828, 1127, 18148, 21704, 250399, 449152, 4158911, 2441902, 4655707, 48018963, 43083420, 784798851, 6397954268, 1823906696

Basic calculations (n = 21871844)

Multiplication

n×y
n×2 43743688
n×3 65615532
n×4 87487376
n×5 109359220

Division

n÷y
n÷2 10935922
n÷3 7290614.6666667
n÷3 5467961
n÷5 4374368.8

Exponentiation

ny
n2 478377559960336
n3 1.0462999364553E+22
n4 2.288450898736E+29
n5 5.0052641058815E+36

Nth Root

y√n
2√n 4676.7343307056
3√n 279.65878503614
4√n 68.386653162043
5√n 29.374946203803

Divisors of 21871844

1, 2, 4, 103, 206, 412, 53087, 106174, 212348, 5467961, 10935922, 21871844

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21871843
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21871844 can be divided by 12 positive divisors. The sum of these divisors (counting 21871844) is 1, the average is 0.083333333333333.

Base conversion 21871844

Base System Value
2 Binary 1010011011011110011100100
3 Ternary 1112011012112022
4 Quaternary 1103123303210
5 Quinary 21044344334
6 Senary 2100442312
8 Octal 123336344
10 Decimal 21871844
12 Duodecimal 73a9398
16 Hexadecimal 14dbce4
20 Vigesimal 6gdjc4
36 Base36 d0sf8

Cryptographic Hash Functions

md5 2f4775a5599c8a71ed5baf89b4176287
sha1 55d4162f0bf13010188f03b2ffd91611e149f11b
sha256 23dbdb040e52a4581045843317aa9d7dca1ebb101a3dc4b705dda0ed423f4543
sha512 a191882eedea4fb48d777f1bef54a1065b290979f57722d569b444d25794a690d25afc32dc7570035f07dcdf7e42df1de00e6e5623d0d1288f53afb46b3e73f2
ripemd-160 5f99181e703cb026c5a140d7c30ac0d4b3a572e7

21871844 as geometric shapes

Circle

Radius = n
Diameter 43743688
Circumference 137424848.86172
Area 1.5028674280136E+15

Sphere

Radius = n
Volume 4.3827309250926E+22
Surface area 6.0114697120544E+15
Circumference 137424848.86172

Square

Length = n
Perimeter 87487376
Area 478377559960336
Diagonal 30931458.418909

Cube

Length = n
Surface area 2870265359762016
Volume 1.0462999364553E+22
Space diagonal 37883145.063221

Equilateral Triangle

Length = n
Perimeter 65615532
Area 2.0714355976303E+14
Altitude 18941572.53161

Triangular Pyramid

Length = n
Surface area 2.0714355976303E+14
Volume 1.233076300371E+21
Height 10310486.139636