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

21008907 (number)

21008907 is an odd 8-digits composite number following 21008906 and preceding 21008908. In scientific notation, it is written as 2.1008907 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 13919040 positive integers (up to 21008907) that are relatively prime to 21008907.

Interesting facts

21008907 has 12 divisors, whose sum is 30534504
The reverse of 21008907 is 70980012
Previous prime number is 163

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	twenty-one million eight thousand nine hundred seven

Notation

Scientific notation	2.1008907 × 10^7
Engineering notation	2.1008907 × 10^6

Prime Factorization of 21008907

Prime Factorization 3 × 3 × 163 × 14321

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	7002969	Product of the distinct prime numbers

The prime factorization of 21008907 is 3 × 3 × 163 × 14321. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 55, 29, 66, 324, 7341, 2259, 31967, 46443, 31137, 382001, 4287154, 9287307, 58063056, 60036050, 385359283, 676539905, 9197607553, 9136934866

Basic calculations (n = 21008907)

Multiplication

n×y

n×2	42017814
n×3	63026721
n×4	84035628
n×5	105044535

Division

n÷y

n÷2	10504453.5
n÷3	7002969
n÷3	5252226.75
n÷5	4201781.4

Exponentiation

n^y

n²	441374173334649
n³	9.2727889597895E+21
n⁴	1.9481116088684E+29
n⁵	4.0927695616338E+36

Nth Root

^y√n

²√n	4583.5474253028
³√n	275.93141805748
⁴√n	67.701901194153
⁵√n	29.139405811073

Divisors of 21008907

1, 3, 9, 163, 489, 1467, 14321, 42963, 128889, 2334323, 7002969, 21008907

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	-21008906	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 21008907 can be divided by 12 positive divisors. The sum of these divisors (counting 21008907) is 1, the average is 0.083333333333333.

Base conversion 21008907

Base	System	Value
2	Binary	1010000001001001000001011
3	Ternary	1110112100210200
4	Quaternary	1100021020023
5	Quinary	20334241112
6	Senary	2030143243
8	Octal	120111013
10	Decimal	21008907
12	Duodecimal	7051b23
16	Hexadecimal	140920b
20	Vigesimal	6b6257
36	Base36	ciakr

Cryptographic Hash Functions

md5	04b12801e7fead8561de24cbf8f1bfae
sha1	7f3455cb2552dbb322d69712854caf677043164d
sha256	20f734cd668ac444a7d86526fe482292ecaf6b2a3b47bb5ac05a67e83e21fbd9
sha512	c5eaad3744e7e574a57cc3b240dc5ed3c041441deebc008d66092302b0a215ff6281362bff734fe41d4778632c593bf2959647dc751202b1df0aa1c74710b155
ripemd-160	59f2d571ff572b2a716c4efef6c529026034b273

21008907 as geometric shapes

Circle

Radius = n

Diameter	42017814
Circumference	132002855.7823
Area	1.3866178604324E+15

Sphere

Radius = n

Volume	3.8841767565818E+22
Surface area	5.5464714417296E+15
Circumference	132002855.7823

Square

Length = n

Perimeter	84035628
Area	441374173334649
Diagonal	29711081.210035

Cube

Length = n

Surface area	2648245040007894
Volume	9.2727889597895E+21
Space diagonal	36388494.335489

Equilateral Triangle

Length = n

Perimeter	63026721
Area	1.9112062334108E+14
Altitude	18194247.167745

Triangular Pyramid

Length = n

Surface area	1.9112062334108E+14
Volume	1.0928086589965E+21
Height	9903693.7366784