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

21139949 (number)

21139949 is an odd 8-digits composite number following 21139948 and preceding 21139950. In scientific notation, it is written as 2.1139949 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 21122400 positive integers (up to 21139949) that are relatively prime to 21139949.

Interesting facts

21139949 has 4 divisors, whose sum is 21157500
The reverse of 21139949 is 94993112
Previous prime number is 1301

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty-one million one hundred thirty-nine thousand nine hundred forty-nine

Notation

Scientific notation	2.1139949 × 10^7
Engineering notation	2.1139949 × 10^6

Prime Factorization of 21139949

Prime Factorization 1301 × 16249

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21139949	Product of the distinct prime numbers

The prime factorization of 21139949 is 1301 × 16249. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 7, 30, 65, 721, 968, 1748, 6883, 78549, 87501, 432447, 752041, 2722285, 6752048, 8349619, 44068783, 924937556, 896941913, 1185065023, 4848093391

Basic calculations (n = 21139949)

Multiplication

n×y

n×2	42279898
n×3	63419847
n×4	84559796
n×5	105699745

Division

n÷y

n÷2	10569974.5
n÷3	7046649.6666667
n÷3	5284987.25
n÷5	4227989.8

Exponentiation

n^y

n²	446897443722601
n³	9.4473891685262E+21
n⁴	1.997173252058E+29
n⁵	4.2220140692669E+36

Nth Root

^y√n

²√n	4597.8200269258
³√n	276.50393213705
⁴√n	67.807226952043
⁵√n	29.175666569144

Divisors of 21139949

1, 1301, 16249, 21139949

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	-21139948	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 21139949 can be divided by 4 positive divisors. The sum of these divisors (counting 21139949) is 1, the average is 0.25.

Base conversion 21139949

Base	System	Value
2	Binary	1010000101001000111101101
3	Ternary	1110210000120002
4	Quaternary	1100221013231
5	Quinary	20402434244
6	Senary	2033034045
8	Octal	120510755
10	Decimal	21139949
12	Duodecimal	70b5925
16	Hexadecimal	14291ed
20	Vigesimal	6c29h9
36	Base36	cl3ot

Cryptographic Hash Functions

md5	c8147f65cf80b26a9165cb601d4f2e80
sha1	48d40aefa59cfe3952b6ec30326ad2560fc0a650
sha256	2cea62f91245ea439c655fabcee65698514027e7639d50834d2fb9b1e97caeda
sha512	2125e30fc7322d4e6bafd20425740ab10b1d7f8245669403754440c7c8832dadd0d2d51b4a55f19b081a1672032c87b1b274ca2b00acb6cf9d071e8b9287fd47
ripemd-160	fb9ad3a8570f813674a3949d3298596de35eddc3

21139949 as geometric shapes

Circle

Radius = n

Diameter	42279898
Circumference	132826216.95133
Area	1.403969726107E+15

Sphere

Radius = n

Volume	3.9573131209927E+22
Surface area	5.6158789044279E+15
Circumference	132826216.95133

Square

Length = n

Perimeter	84559796
Area	446897443722601
Diagonal	29896402.583676

Cube

Length = n

Surface area	2681384662335606
Volume	9.4473891685262E+21
Space diagonal	36615465.737415

Equilateral Triangle

Length = n

Perimeter	63419847
Area	1.9351226957505E+14
Altitude	18307732.868707

Triangular Pyramid

Length = n

Surface area	1.9351226957505E+14
Volume	1.1133854909289E+21
Height	9965467.5278919