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

21008906 (number)

21008906 is an even 8-digits composite number following 21008905 and preceding 21008907. In scientific notation, it is written as 2.1008906 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 9675456 positive integers (up to 21008906) that are relatively prime to 21008906.

Interesting facts

21008906 has 8 divisors, whose sum is 31555200
The reverse of 21008906 is 60980012
Previous prime number is 799

Basic properties

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

Name

Name	twenty-one million eight thousand nine hundred six

Notation

Scientific notation	2.1008906 × 10^7
Engineering notation	2.1008906 × 10^6

Prime Factorization of 21008906

Prime Factorization 2 × 799 × 13147

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21008906	Product of the distinct prime numbers

The prime factorization of 21008906 is 2 × 799 × 13147. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 1, 26, 98, 476, 296, 3788, 7230, 66824, 65519, 857762, 15152, 1927766, 7362473, 23599927, 93645254, 500466220, 91106898, 6781126836, 943606556

Basic calculations (n = 21008906)

Multiplication

n×y

n×2	42017812
n×3	63026718
n×4	84035624
n×5	105044530

Division

n÷y

n÷2	10504453
n÷3	7002968.6666667
n÷3	5252226.5
n÷5	4201781.2

Exponentiation

n^y

n²	441374131316836
n³	9.2727876356671E+21
n⁴	1.9481112379569E+29
n⁵	4.092768587578E+36

Nth Root

^y√n

²√n	4583.547316217
³√n	275.93141367947
⁴√n	67.701900388519
⁵√n	29.139405533673

Divisors of 21008906

1, 2, 799, 1598, 13147, 26294, 10504453, 21008906

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	-21008905	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 21008906 can be divided by 8 positive divisors. The sum of these divisors (counting 21008906) is 1, the average is 0.125.

Base conversion 21008906

Base	System	Value
2	Binary	1010000001001001000001010
3	Ternary	1110112100210122
4	Quaternary	1100021020022
5	Quinary	20334241111
6	Senary	2030143242
8	Octal	120111012
10	Decimal	21008906
12	Duodecimal	7051b22
16	Hexadecimal	140920a
20	Vigesimal	6b6256
36	Base36	ciakq

Cryptographic Hash Functions

md5	40acddd338d10e62560c3bed8dcc893f
sha1	778d7270e185cca60d2e324a53a27d4cde30f986
sha256	e19d079992ab578d4b17a211a570df0fbe1f909d64a294add5031ecd06e6ad5f
sha512	6a43d8b3b8f6bc156de9036cde688b460a3b95120d59a15159ab2f4586b71a7cef4f4edebb0f20af49814fa95187369d534e125c90aa6d439b6fba08f6e83138
ripemd-160	b73ef17113a7dd196c3e9442c5f105cef14abb1c

21008906 as geometric shapes

Circle

Radius = n

Diameter	42017812
Circumference	132002849.49912
Area	1.3866177284295E+15

Sphere

Radius = n

Volume	3.8841762019347E+22
Surface area	5.5464709137182E+15
Circumference	132002849.49912

Square

Length = n

Perimeter	84035624
Area	441374131316836
Diagonal	29711079.795821

Cube

Length = n

Surface area	2648244787901016
Volume	9.2727876356671E+21
Space diagonal	36388492.603439

Equilateral Triangle

Length = n

Perimeter	63026718
Area	1.9112060514683E+14
Altitude	18194246.301719

Triangular Pyramid

Length = n

Surface area	1.9112060514683E+14
Volume	1.0928085029472E+21
Height	9903693.2652738