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

21493907 (number)

21493907 is an odd 8-digits composite number following 21493906 and preceding 21493908. In scientific notation, it is written as 2.1493907 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 21413736 positive integers (up to 21493907) that are relatively prime to 21493907.

Interesting facts

21493907 has 4 divisors, whose sum is 21574080
The reverse of 21493907 is 70939412
Previous prime number is 269

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty-one million four hundred ninety-three thousand nine hundred seven

Notation

Scientific notation	2.1493907 × 10^7
Engineering notation	2.1493907 × 10^6

Prime Factorization of 21493907

Prime Factorization 269 × 79903

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21493907	Product of the distinct prime numbers

The prime factorization of 21493907 is 269 × 79903. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 7, 65, 55, 268, 45, 3875, 568, 51634, 6849, 266766, 964900, 9781920, 6747420, 29666404, 70759280, 387527387, 964188924, 6631894069, 6949126776

Basic calculations (n = 21493907)

Multiplication

n×y

n×2	42987814
n×3	64481721
n×4	85975628
n×5	107469535

Division

n÷y

n÷2	10746953.5
n÷3	7164635.6666667
n÷3	5373476.75
n÷5	4298781.4

Exponentiation

n^y

n²	461988038124649
n³	9.9299279265637E+21
n⁴	2.1343294737026E+29
n⁵	4.5875079215123E+36

Nth Root

^y√n

²√n	4636.1521761047
³√n	278.03861841231
⁴√n	68.089295605878
⁵√n	29.272719625842

Divisors of 21493907

1, 269, 79903, 21493907

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	-21493906	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 21493907 can be divided by 4 positive divisors. The sum of these divisors (counting 21493907) is 1, the average is 0.25.

Base conversion 21493907

Base	System	Value
2	Binary	1010001111111100010010011
3	Ternary	1111110000002122
4	Quaternary	1101333202103
5	Quinary	21000301112
6	Senary	2044404455
8	Octal	121774223
10	Decimal	21493907
12	Duodecimal	724672b
16	Hexadecimal	147f893
20	Vigesimal	6e6ef7
36	Base36	csosz

Cryptographic Hash Functions

md5	8051cdb2bc653451628c06b96c9e84f0
sha1	8cb423fc64f7d0f2573d657f0e488bbb2af94be3
sha256	3138191dceb0f5404a155533886bb38a62d04c353f7e1dc3d73862c13a4d9829
sha512	25803e724a019122152c965afdb67f89f61ebea91bec5f08bf6be83c674c18d2d8a3a5c5ffb92c7824f52073ce5be51a1798afb46e2f771d0445ca5b83de860e
ripemd-160	baa501839ad50892eb567d5ff02c339b8c45ba20

21493907 as geometric shapes

Circle

Radius = n

Diameter	42987814
Circumference	135050200.65628
Area	1.4513782266188E+15

Sphere

Radius = n

Volume	4.1594384833025E+22
Surface area	5.805512906475E+15
Circumference	135050200.65628

Square

Length = n

Perimeter	85975628
Area	461988038124649
Diagonal	30396974.787786

Cube

Length = n

Surface area	2771928228747894
Volume	9.9299279265637E+21
Space diagonal	37228538.97716

Equilateral Triangle

Length = n

Perimeter	64481721
Area	2.0004668863024E+14
Altitude	18614269.48858

Triangular Pyramid

Length = n

Surface area	2.0004668863024E+14
Volume	1.1702532289278E+21
Height	10132324.929262