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

21006908 (number)

21006908 is an even 8-digits composite number following 21006907 and preceding 21006909. In scientific notation, it is written as 2.1006908 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 9695472 positive integers (up to 21006908) that are relatively prime to 21006908.

Interesting facts

21006908 has 12 divisors, whose sum is 39590040
The reverse of 21006908 is 80960012
Previous prime number is 13

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million six thousand nine hundred eight

Notation

Scientific notation	2.1006908 × 10^7
Engineering notation	2.1006908 × 10^6

Prime Factorization of 21006908

Prime Factorization 2 × 2 × 13 × 403979

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10503454	Product of the distinct prime numbers

The prime factorization of 21006908 is 2 × 2 × 13 × 403979. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 5, 53, 161, 559, 2441, 6379, 93313, 985, 805130, 863125, 9695611, 7296395, 68798498, 48087397, 153880945, 719593005, 610370568, 6787997601

Basic calculations (n = 21006908)

Multiplication

n×y

n×2	42013816
n×3	63020724
n×4	84027632
n×5	105034540

Division

n÷y

n÷2	10503454
n÷3	7002302.6666667
n÷3	5251727
n÷5	4201381.6

Exponentiation

n^y

n²	441290183720464
n³	9.2701422907189E+21
n⁴	1.9473702624804E+29
n⁵	4.0908227945862E+36

Nth Root

^y√n

²√n	4583.329357574
³√n	275.92266614414
⁴√n	67.700290675698
⁵√n	29.138851266381

Divisors of 21006908

1, 2, 4, 13, 26, 52, 403979, 807958, 1615916, 5251727, 10503454, 21006908

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	-21006907	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 21006908 can be divided by 12 positive divisors. The sum of these divisors (counting 21006908) is 1, the average is 0.083333333333333.

Base conversion 21006908

Base	System	Value
2	Binary	1010000001000101000111100
3	Ternary	1110112021001122
4	Quaternary	1100020220330
5	Quinary	20334210113
6	Senary	2030130112
8	Octal	120105074
10	Decimal	21006908
12	Duodecimal	7050938
16	Hexadecimal	1408a3c
20	Vigesimal	6b5h58
36	Base36	ci918

Cryptographic Hash Functions

md5	30b56872cdcf1f1da75cc0e0109c39d0
sha1	8101a2b2511954ceb277ce1cadda2e08f6d8886c
sha256	f892a7c976ddea22878c0329e0e920d44c3396f42a148d7fa23895f233e87785
sha512	15a7ea553fcd59a9c3f9a1e41a3bd12e5ef1500d8ba2672baa3438dbcaf33822dbc37e660702286637e31d8465bda78a38c794a44719904d5526c771578b6956
ripemd-160	c46eb102fa449c8f535143787c4e17af83adbf8e

21006908 as geometric shapes

Circle

Radius = n

Diameter	42013816
Circumference	131990295.69487
Area	1.3863539992775E+15

Sphere

Radius = n

Volume	3.8830681224339E+22
Surface area	5.54541599711E+15
Circumference	131990295.69487

Square

Length = n

Perimeter	84027632
Area	441290183720464
Diagonal	29708254.197124

Cube

Length = n

Surface area	2647741102322784
Volume	9.2701422907189E+21
Space diagonal	36385031.965925

Equilateral Triangle

Length = n

Perimeter	63020724
Area	1.9108425477131E+14
Altitude	18192515.982963

Triangular Pyramid

Length = n

Surface area	1.9108425477131E+14
Volume	1.0924967460553E+21
Height	9902751.3990413