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

21481907 (number)

21481907 is an odd 8-digits composite number following 21481906 and preceding 21481908. In scientific notation, it is written as 2.1481907 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 21003840 positive integers (up to 21481907) that are relatively prime to 21481907.

Interesting facts

21481907 has 8 divisors, whose sum is 21962880
The reverse of 21481907 is 70918412
Previous prime number is 409

Basic properties

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

Name

Name	twenty-one million four hundred eighty-one thousand nine hundred seven

Notation

Scientific notation	2.1481907 × 10^7
Engineering notation	2.1481907 × 10^6

Prime Factorization of 21481907

Prime Factorization 53 × 409 × 991

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21481907	Product of the distinct prime numbers

The prime factorization of 21481907 is 53 × 409 × 991. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 4, 36, 16, 447, 759, 8591, 4683, 39826, 47989, 468531, 81629, 4743518, 3563775, 15618497, 94807300, 259095834, 795429091, 1336107074, 619382089

Basic calculations (n = 21481907)

Multiplication

n×y

n×2	42963814
n×3	64445721
n×4	85927628
n×5	107409535

Division

n÷y

n÷2	10740953.5
n÷3	7160635.6666667
n÷3	5370476.75
n÷5	4296381.4

Exponentiation

n^y

n²	461472328356649
n³	9.913305640831E+21
n⁴	2.1295670983891E+29
n⁵	4.5747162357854E+36

Nth Root

^y√n

²√n	4634.857818747
³√n	277.98686600131
⁴√n	68.079790090356
⁵√n	29.269450316938

Divisors of 21481907

1, 53, 409, 991, 21677, 52523, 405319, 21481907

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	-21481906	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 21481907 can be divided by 8 positive divisors. The sum of these divisors (counting 21481907) is 1, the average is 0.125.

Base conversion 21481907

Base	System	Value
2	Binary	1010001111100100110110011
3	Ternary	1111102101122012
4	Quaternary	1101330212303
5	Quinary	20444410112
6	Senary	2044233135
8	Octal	121744663
10	Decimal	21481907
12	Duodecimal	723b7ab
16	Hexadecimal	147c9b3
20	Vigesimal	6e54f7
36	Base36	csfjn

Cryptographic Hash Functions

md5	1fb3410574ceadc4504b7a77d43d4db0
sha1	8d95f43322df153902ac0cb4ff4a101d93d691dd
sha256	a7832e09d53d33acfcdd80771838ccca1c901665291f7687820b97e512ecad88
sha512	c702462da692730717c3475b4fd4d2332a83f0b746e6d8022bb088774d347ad5305e2ce734643bd90b411d3bef5163c5f0ea09a224306ffa514703c1fdb58a70
ripemd-160	b13dae079cca48032db868ccc13e0440b7add3b5

21481907 as geometric shapes

Circle

Radius = n

Diameter	42963814
Circumference	134974802.4326
Area	1.4497580766002E+15

Sphere

Radius = n

Volume	4.1524757565367E+22
Surface area	5.7990323064009E+15
Circumference	134974802.4326

Square

Length = n

Perimeter	85927628
Area	461472328356649
Diagonal	30380004.225038

Cube

Length = n

Surface area	2768833970139894
Volume	9.913305640831E+21
Space diagonal	37207754.36747

Equilateral Triangle

Length = n

Perimeter	64445721
Area	1.9982337975021E+14
Altitude	18603877.183735

Triangular Pyramid

Length = n

Surface area	1.9982337975021E+14
Volume	1.1682942737677E+21
Height	10126668.075013