Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

21000638 (number)

21000638 is an even 8-digits composite number following 21000637 and preceding 21000639. In scientific notation, it is written as 2.1000638 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 10441480 positive integers (up to 21000638) that are relatively prime to 21000638.

Interesting facts

21000638 has 8 divisors, whose sum is 31677480
The reverse of 21000638 is 83600012
Previous prime number is 179

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty-one million six hundred thirty-eight

Notation

Scientific notation	2.1000638 × 10^7
Engineering notation	2.1000638 × 10^6

Prime Factorization of 21000638

Prime Factorization 2 × 179 × 58661

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21000638	Product of the distinct prime numbers

The prime factorization of 21000638 is 2 × 179 × 58661. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 2, 36, 43, 221, 382, 1864, 4123, 81564, 82506, 401561, 724574, 1450922, 8323418, 28606672, 60950044, 287884852, 545335316, 7353397202, 3532865301

Basic calculations (n = 21000638)

Multiplication

n×y

n×2	42001276
n×3	63001914
n×4	84002552
n×5	105003190

Division

n÷y

n÷2	10500319
n÷3	7000212.6666667
n÷3	5250159.5
n÷5	4200127.6

Exponentiation

n^y

n²	441026796407044
n³	9.261844099644E+21
n⁴	1.9450463514906E+29
n⁵	4.0847214320875E+36

Nth Root

^y√n

²√n	4582.6453059341
³√n	275.89521156795
⁴√n	67.695238428815
⁵√n	29.137111625175

Divisors of 21000638

1, 2, 179, 358, 58661, 117322, 10500319, 21000638

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	-21000637	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 21000638 can be divided by 8 positive divisors. The sum of these divisors (counting 21000638) is 1, the average is 0.125.

Base conversion 21000638

Base	System	Value
2	Binary	1010000000111000110111110
3	Ternary	1110111221110102
4	Quaternary	1100013012332
5	Quinary	20334010023
6	Senary	2030041102
8	Octal	120070676
10	Decimal	21000638
12	Duodecimal	7049192
16	Hexadecimal	14071be
20	Vigesimal	6b51bi
36	Base36	ci472

Cryptographic Hash Functions

md5	e6cfa5c3a93f0881d613fa522ffea7d5
sha1	9883868ef0e3c1317e652e2511688c9b304201e2
sha256	8f3d017bf6f3206ac181bc859995d8ac6338c185a29339171a1144ee9d9d20ef
sha512	e19d2bbbd079e7c9b373c0d8305614d91be8b4a16adb72245653abc218bbb9888dcdd35408b0c80894937d2b5a8a86b4a9d61b62eb660366c9692e859f84424a
ripemd-160	fc7d506e5a6f3cf2f55c232ade4cb8f2ff9a89b1

21000638 as geometric shapes

Circle

Radius = n

Diameter	42001276
Circumference	131950900.123
Area	1.3855265436286E+15

Sphere

Radius = n

Volume	3.8795921842848E+22
Surface area	5.5421061745144E+15
Circumference	131950900.123

Square

Length = n

Perimeter	84002552
Area	441026796407044
Diagonal	29699387.078088

Cube

Length = n

Surface area	2646160778442264
Volume	9.261844099644E+21
Space diagonal	36374172.007362

Equilateral Triangle

Length = n

Perimeter	63001914
Area	1.9097020471908E+14
Altitude	18187086.003681

Triangular Pyramid

Length = n

Surface area	1.9097020471908E+14
Volume	1.0915187948585E+21
Height	9899795.6926959