21001838 (number)

21001838 is an even 8-digits composite number following 21001837 and preceding 21001839. In scientific notation, it is written as 2.1001838 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 8811840 positive integers (up to 21001838) that are relatively prime to 21001838.

Interesting facts

Basic properties

Name

Name twenty-one million one thousand eight hundred thirty-eight

Notation

Scientific notation 2.1001838 × 10^7
Engineering notation 2.1001838 × 10^6

Prime Factorization of 21001838

Prime Factorization 2 × 11 × 13 × 73433

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21001838
Product of the distinct prime numbers

The prime factorization of 21001838 is 2 × 11 × 13 × 73433. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 5, 65, 81, 926, 149, 309, 944, 29629, 49837, 618310, 288314, 9716184, 8186877, 21569347, 8680884, 64239150, 717262711, 3487377240, 8454066247

Basic calculations (n = 21001838)

Multiplication

n×y
n×2 42003676
n×3 63005514
n×4 84007352
n×5 105009190

Division

n÷y
n÷2 10500919
n÷3 7000612.6666667
n÷3 5250459.5
n÷5 4200367.6

Exponentiation

ny
n2 441077199378244
n3 9.2634318868356E+21
n4 1.9454909581136E+29
n5 4.0858885932766E+36

Nth Root

y√n
2√n 4582.7762328091
3√n 275.9004664551
4√n 67.696205453549
5√n 29.137444603009

Divisors of 21001838

1, 2, 11, 13, 22, 26, 143, 286, 73433, 146866, 807763, 954629, 1615526, 1909258, 10500919, 21001838

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 -21001837
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 21001838 can be divided by 16 positive divisors. The sum of these divisors (counting 21001838) is 1, the average is 0.0625.

Base conversion 21001838

Base System Value
2 Binary 1010000000111011001101110
3 Ternary 1110112000002212
4 Quaternary 1100013121232
5 Quinary 20334024323
6 Senary 2030050422
8 Octal 120073156
10 Decimal 21001838
12 Duodecimal 7049a12
16 Hexadecimal 140766e
20 Vigesimal 6b54bi
36 Base36 ci54e

Cryptographic Hash Functions

md5 177aa69b3700c5b7f6a4ecbcac0702d0
sha1 5fbccdd48fcb10e15cafe8c7bf48329ad4652772
sha256 0e36e06d7aa66b5853b52521d3ed30ece07254dbb4210ee63c186f86aabf7cbd
sha512 601f1d61217759c4f16f83928d22c3fe7bd9cf7eeac27ea8d6dce1cd5198bcbd09380c9b9f8118d19241dc12546727d2d65bb66e4e1b47f5e76e93a0bf6522a5
ripemd-160 b55963d7bbd937b65c03899198a670decaaf0f11

21001838 as geometric shapes

Circle

Radius = n
Diameter 42003676
Circumference 131958439.94537
Area 1.3856848892327E+15

Sphere

Radius = n
Volume 3.8802572750283E+22
Surface area 5.5427395569306E+15
Circumference 131958439.94537

Square

Length = n
Perimeter 84007352
Area 441077199378244
Diagonal 29701084.134363

Cube

Length = n
Surface area 2646463196269464
Volume 9.2634318868356E+21
Space diagonal 36376250.468331

Equilateral Triangle

Length = n
Perimeter 63005514
Area 1.9099202984583E+14
Altitude 18188125.234165

Triangular Pyramid

Length = n
Surface area 1.9099202984583E+14
Volume 1.0917059173735E+21
Height 9900361.3781209