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

21494749 (number)

21494749 is an odd 8-digits composite number following 21494748 and preceding 21494750. In scientific notation, it is written as 2.1494749 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 19577280 positive integers (up to 21494749) that are relatively prime to 21494749.

Interesting facts

21494749 has 8 divisors, whose sum is 23493888
The reverse of 21494749 is 94749412
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

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

Notation

Scientific notation	2.1494749 × 10^7
Engineering notation	2.1494749 × 10^6

Prime Factorization of 21494749

Prime Factorization 31 × 17 × 40787

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21494749	Product of the distinct prime numbers

The prime factorization of 21494749 is 31 × 17 × 40787. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 6, 2, 63, 94, 219, 7254, 5643, 79501, 18279, 199934, 25580, 5003280, 9619036, 399059, 44429922, 392858054, 372074636, 2353889043, 4932066169

Basic calculations (n = 21494749)

Multiplication

n×y

n×2	42989498
n×3	64484247
n×4	85978996
n×5	107473745

Division

n÷y

n÷2	10747374.5
n÷3	7164916.3333333
n÷3	5373687.25
n÷5	4298949.8

Exponentiation

n^y

n²	462024234573001
n³	9.9310949540638E+21
n⁴	2.1346639333277E+29
n⁵	4.5884065446231E+36

Nth Root

^y√n

²√n	4636.2429832786
³√n	278.04224898321
⁴√n	68.089962426767
⁵√n	29.272948967522

Divisors of 21494749

1, 17, 31, 527, 40787, 693379, 1264397, 21494749

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	-21494748	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 21494749 can be divided by 8 positive divisors. The sum of these divisors (counting 21494749) is 1, the average is 0.125.

Base conversion 21494749

Base	System	Value
2	Binary	1010001111111101111011101
3	Ternary	1111110001020211
4	Quaternary	1101333233131
5	Quinary	21000312444
6	Senary	2044412421
8	Octal	121775735
10	Decimal	21494749
12	Duodecimal	7247111
16	Hexadecimal	147fbdd
20	Vigesimal	6e6gh9
36	Base36	cspgd

Cryptographic Hash Functions

md5	726b13e49c0e00ea9bbedfd862f94f74
sha1	c0b4c981020c85e63699eca51b6401d10c09351a
sha256	eef01ef13019626c7495f40c02977f48bec2b91ab7e107474281361020caffcd
sha512	08cee7f760dcf0dee33d3bcfd27c26b69cc9cb8b9b2d2f9e4da466cce44f7f2d7d7d33f52fa719f8be52c1ad5f6e3718d3396475181b1957ebac9def192ee13b
ripemd-160	97bda20f1fa4157090a23809cbd31884fa7aa435

21494749 as geometric shapes

Circle

Radius = n

Diameter	42989498
Circumference	135055491.09831
Area	1.451491941115E+15

Sphere

Radius = n

Volume	4.1599273266386E+22
Surface area	5.8059677644599E+15
Circumference	135055491.09831

Square

Length = n

Perimeter	85978996
Area	462024234573001
Diagonal	30398165.555606

Cube

Length = n

Surface area	2772145407438006
Volume	9.9310949540638E+21
Space diagonal	37229997.36394

Equilateral Triangle

Length = n

Perimeter	64484247
Area	2.0006236215214E+14
Altitude	18614998.68197

Triangular Pyramid

Length = n

Surface area	2.0006236215214E+14
Volume	1.1703907644377E+21
Height	10132721.851869