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

21139946 (number)

21139946 is an even 8-digits composite number following 21139945 and preceding 21139947. In scientific notation, it is written as 2.1139946 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 10569972 positive integers (up to 21139946) that are relatively prime to 21139946.

Interesting facts

21139946 has 4 divisors, whose sum is 31709922
The reverse of 21139946 is 64993112
Previous prime number is 2

Basic properties

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

Name

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

Notation

Scientific notation	2.1139946 × 10^7
Engineering notation	2.1139946 × 10^6

Prime Factorization of 21139946

Prime Factorization 2 × 10569973

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21139946	Product of the distinct prime numbers

The prime factorization of 21139946 is 2 × 10569973. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 1, 32, 14, 169, 608, 1610, 4408, 16581, 3111, 844526, 580755, 7312884, 6890688, 63182528, 54355907, 78239707, 794814689, 3486491133, 4406165383

Basic calculations (n = 21139946)

Multiplication

n×y

n×2	42279892
n×3	63419838
n×4	84559784
n×5	105699730

Division

n÷y

n÷2	10569973
n÷3	7046648.6666667
n÷3	5284986.5
n÷5	4227989.2

Exponentiation

n^y

n²	446897316882916
n³	9.4473851464497E+21
n⁴	1.9971721183715E+29
n⁵	4.2220110735079E+36

Nth Root

^y√n

²√n	4597.8197006842
³√n	276.50391905736
⁴√n	67.807224546388
⁵√n	29.175665741072

Divisors of 21139946

1, 2, 10569973, 21139946

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	-21139945	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 21139946 can be divided by 4 positive divisors. The sum of these divisors (counting 21139946) is 1, the average is 0.25.

Base conversion 21139946

Base	System	Value
2	Binary	1010000101001000111101010
3	Ternary	1110210000112222
4	Quaternary	1100221013222
5	Quinary	20402434241
6	Senary	2033034042
8	Octal	120510752
10	Decimal	21139946
12	Duodecimal	70b5922
16	Hexadecimal	14291ea
20	Vigesimal	6c29h6
36	Base36	cl3oq

Cryptographic Hash Functions

md5	1fd7e8f7de50cd0124513ad0a1db20ca
sha1	743e78eaa93c9128a783af5ad674f767fa99a92b
sha256	9499661b92849c093b335239228c7ccaede6ea6a04669a127627350f0a10e98d
sha512	9133e07eaea8b8139dfd1cf84fc01c25fa2e5dba14a9c4784d5f6d457aea635e2bcecaa20c3225a041f2c7ac3debea47d89393df99fd0406b0b526c1cd66e840
ripemd-160	d920a230ffa09970f557d3e0cdff49c94419630d

21139946 as geometric shapes

Circle

Radius = n

Diameter	42279892
Circumference	132826198.10177
Area	1.4039693276284E+15

Sphere

Radius = n

Volume	3.9573114362293E+22
Surface area	5.6158773105134E+15
Circumference	132826198.10177

Square

Length = n

Perimeter	84559784
Area	446897316882916
Diagonal	29896398.341035

Cube

Length = n

Surface area	2681383901297496
Volume	9.4473851464497E+21
Space diagonal	36615460.541262

Equilateral Triangle

Length = n

Perimeter	63419838
Area	1.9351221465185E+14
Altitude	18307730.270631

Triangular Pyramid

Length = n

Surface area	1.9351221465185E+14
Volume	1.1133850169226E+21
Height	9965466.1136783