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

20687621 (number)

20687621 is an odd 8-digits composite number following 20687620 and preceding 20687622. In scientific notation, it is written as 2.0687621 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 20677644 positive integers (up to 20687621) that are relatively prime to 20687621.

Interesting facts

20687621 has 4 divisors, whose sum is 20697600
The reverse of 20687621 is 12678602
Previous prime number is 2939

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twenty million six hundred eighty-seven thousand six hundred twenty-one

Notation

Scientific notation	2.0687621 × 10^7
Engineering notation	2.0687621 × 10^6

Prime Factorization of 20687621

Prime Factorization 2939 × 7039

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20687621	Product of the distinct prime numbers

The prime factorization of 20687621 is 2939 × 7039. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 6, 45, 12, 778, 343, 3211, 6653, 67043, 46688, 803298, 368208, 7244526, 6412545, 98759036, 82113381, 93817460, 56534509, 2016174237, 8226429545

Basic calculations (n = 20687621)

Multiplication

n×y

n×2	41375242
n×3	62062863
n×4	82750484
n×5	103438105

Division

n÷y

n÷2	10343810.5
n÷3	6895873.6666667
n÷3	5171905.25
n÷5	4137524.2

Exponentiation

n^y

n²	427977662639641
n³	8.8538396811548E+21
n⁴	1.8316487971849E+29
n⁵	3.7892456121267E+36

Nth Root

^y√n

²√n	4548.3646511686
³√n	274.51759392563
⁴√n	67.441564714711
⁵√n	29.049730670201

Divisors of 20687621

1, 2939, 7039, 20687621

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20687620	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20687621 can be divided by 4 positive divisors. The sum of these divisors (counting 20687621) is 1, the average is 0.25.

Base conversion 20687621

Base	System	Value
2	Binary	1001110111010101100000101
3	Ternary	1102221001002012
4	Quaternary	1032322230011
5	Quinary	20244000441
6	Senary	2015224005
8	Octal	116725405
10	Decimal	20687621
12	Duodecimal	6b18005
16	Hexadecimal	13bab05
20	Vigesimal	695j11
36	Base36	cbeo5

Cryptographic Hash Functions

md5	2f858e5a6ebdb440bd2ddca74821eab0
sha1	74553a82b11fc2193a1269289d0317068e1c2a02
sha256	cb87c1c05064983e85d478d6f70daffaf8c2e705a0c95ec3f0440aff14370d3b
sha512	551e93860246f667e2aee3fac7888bc2033b2519f2a2a5976e9e4577f619f9d1346fdee50fbf2eecb48e6b4069d8ef0732966b4f723a791432f395767519e83a
ripemd-160	8b519805b6d51793517150d562551545874aae17

20687621 as geometric shapes

Circle

Radius = n

Diameter	41375242
Circumference	129984156.3077
Area	1.3445314808492E+15

Sphere

Radius = n

Volume	3.708687693117E+22
Surface area	5.3781259233969E+15
Circumference	129984156.3077

Square

Length = n

Perimeter	82750484
Area	427977662639641
Diagonal	29256714.191434

Cube

Length = n

Surface area	2567865975837846
Volume	8.8538396811548E+21
Space diagonal	35832010.659729

Equilateral Triangle

Length = n

Perimeter	62062863
Area	1.8531976404911E+14
Altitude	17916005.329864

Triangular Pyramid

Length = n

Surface area	1.8531976404911E+14
Volume	1.0434350130138E+21
Height	9752238.0638115