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

21493908 (number)

21493908 is an even 8-digits composite number following 21493907 and preceding 21493909. In scientific notation, it is written as 2.1493908 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 7164624 positive integers (up to 21493908) that are relatively prime to 21493908.

Interesting facts

21493908 has 12 divisors, whose sum is 41793780
The reverse of 21493908 is 80939412
Previous prime number is 9

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9

Name

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

Notation

Scientific notation	2.1493908 × 10^7
Engineering notation	2.1493908 × 10^6

Prime Factorization of 21493908

Prime Factorization 2 × 2 × 9 × 597053

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10746954	Product of the distinct prime numbers

The prime factorization of 21493908 is 2 × 2 × 9 × 597053. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 5, 71, 37, 485, 966, 9591, 8060, 79003, 72985, 587669, 197546, 9853752, 589507, 93369934, 8092419, 560928932, 190263127, 6934708670, 405074699

Basic calculations (n = 21493908)

Multiplication

n×y

n×2	42987816
n×3	64481724
n×4	85975632
n×5	107469540

Division

n÷y

n÷2	10746954
n÷3	7164636
n÷3	5373477
n÷5	4298781.6

Exponentiation

n^y

n²	461988081112464
n³	9.9299293125278E+21
n⁴	2.1343298708998E+29
n⁵	4.5875089886771E+36

Nth Root

^y√n

²√n	4636.1522839527
³√n	278.0386227242
⁴√n	68.089296397839
⁵√n	29.272719898223

Divisors of 21493908

1, 2, 4, 9, 18, 36, 597053, 1194106, 2388212, 5373477, 10746954, 21493908

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	-21493907	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 21493908 can be divided by 12 positive divisors. The sum of these divisors (counting 21493908) is 1, the average is 0.083333333333333.

Base conversion 21493908

Base	System	Value
2	Binary	1010001111111100010010100
3	Ternary	1111110000002200
4	Quaternary	1101333202110
5	Quinary	21000301113
6	Senary	2044404500
8	Octal	121774224
10	Decimal	21493908
12	Duodecimal	7246730
16	Hexadecimal	147f894
20	Vigesimal	6e6ef8
36	Base36	csot0

Cryptographic Hash Functions

md5	28430ff0dddbe9b95c252d915a408371
sha1	de510c0f207068b12bd8af402ec9d17ae8965dc3
sha256	ed0797d67965c1e57dc1df4bb07d57dce5fd0629a1393710a06fce668d69be82
sha512	be6d6f46aed8fff421283d582dad513a6dad538a11ad0a3826480ef4b35004b8480905d1ebf798e34d3e4b29a1b41cc2517c074e3b34aed3d2bcbdd6b70f506b
ripemd-160	538e73793cd60fe2d2e8b7325d00a69a9725a101

21493908 as geometric shapes

Circle

Radius = n

Diameter	42987816
Circumference	135050206.93947
Area	1.451378361669E+15

Sphere

Radius = n

Volume	4.1594390638538E+22
Surface area	5.8055134466758E+15
Circumference	135050206.93947

Square

Length = n

Perimeter	85975632
Area	461988081112464
Diagonal	30396976.202

Cube

Length = n

Surface area	2771928486674784
Volume	9.9299293125278E+21
Space diagonal	37228540.709211

Equilateral Triangle

Length = n

Perimeter	64481724
Area	2.0004670724451E+14
Altitude	18614270.354606

Triangular Pyramid

Length = n

Surface area	2.0004670724451E+14
Volume	1.1702533922653E+21
Height	10132325.400667