21001839 (number)

21001839 is an odd 8-digits composite number following 21001838 and preceding 21001840. In scientific notation, it is written as 2.1001839 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13862400 positive integers (up to 21001839) that are relatively prime to 21001839.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1001839 × 10^7
Engineering notation 2.1001839 × 10^6

Prime Factorization of 21001839

Prime Factorization 3 × 101 × 69313

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21001839
Product of the distinct prime numbers

The prime factorization of 21001839 is 3 × 101 × 69313. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21001839)

Multiplication

n×y
n×2 42003678
n×3 63005517
n×4 84007356
n×5 105009195

Division

n÷y
n÷2 10500919.5
n÷3 7000613
n÷3 5250459.75
n÷5 4200367.8

Exponentiation

ny
n2 441077241381921
n3 9.2634332100672E+21
n4 1.9454913286509E+29
n5 4.0858895660221E+36

Nth Root

y√n
2√n 4582.7763419133
3√n 275.90047083409
4√n 67.696206259386
5√n 29.137444880485

Divisors of 21001839

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21001838
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21001839 can be divided by 8 positive divisors. The sum of these divisors (counting 21001839) is 1, the average is 0.125.

Base conversion 21001839

Base System Value
2 Binary 1010000000111011001101111
3 Ternary 1110112000002220
4 Quaternary 1100013121233
5 Quinary 20334024324
6 Senary 2030050423
8 Octal 120073157
10 Decimal 21001839
12 Duodecimal 7049a13
16 Hexadecimal 140766f
20 Vigesimal 6b54bj
36 Base36 ci54f

Cryptographic Hash Functions

md5 b260d87bdc251daa102cf849d7314f42
sha1 0e15571d933c7c754501cd20319cc5f18b2ee3cd
sha256 258aa989b296079c8e20138abb20f80351f8088faae81b93ad20729afcb12e70
sha512 94a5a29bf2831dbfe8009f759ba6add2a1a2cd1c1a22539a8411cd370dcd914ae8a0ef4c22e9cbe878c15287c6d157007099080622bfc9be7187ee2672ea1896
ripemd-160 3fe8ffaf992747b0f4a95b9ef7608d64f27dba5c

21001839 as geometric shapes

Circle

Radius = n
Diameter 42003678
Circumference 131958446.22855
Area 1.3856850211911E+15

Sphere

Radius = n
Volume 3.8802578293023E+22
Surface area 5.5427400847644E+15
Circumference 131958446.22855

Square

Length = n
Perimeter 84007356
Area 441077241381921
Diagonal 29701085.548576

Cube

Length = n
Surface area 2646463448291526
Volume 9.2634332100672E+21
Space diagonal 36376252.200382

Equilateral Triangle

Length = n
Perimeter 63005517
Area 1.9099204803395E+14
Altitude 18188126.100191

Triangular Pyramid

Length = n
Surface area 1.9099204803395E+14
Volume 1.0917060733179E+21
Height 9900361.8495254