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

21139931 (number)

21139931 is an odd 8-digits prime number following 21139930 and preceding 21139932. In scientific notation, it is written as 2.1139931 × 10^7. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 21139930 positive integers (up to 21139931) that are relatively prime to 21139931.

Interesting facts

21139931 has 2 divisors, whose sum is 21139932
The reverse of 21139931 is 13993112
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.1139931 × 10^7
Engineering notation	2.1139931 × 10^6

Prime Factorization of 21139931

Prime Factorization 21139931

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21139931	Product of the distinct prime numbers

The prime factorization of 21139931 is 21139931. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 4, 87, 14, 429, 595, 8015, 7520, 83708, 21848, 722223, 411011, 3323763, 8339720, 42343879, 33817166, 230007106, 209183477, 2700325309, 7202520096

Basic calculations (n = 21139931)

Multiplication

n×y

n×2	42279862
n×3	63419793
n×4	84559724
n×5	105699655

Division

n÷y

n÷2	10569965.5
n÷3	7046643.6666667
n÷3	5284982.75
n÷5	4227986.2

Exponentiation

n^y

n²	446896682684761
n³	9.4473650360847E+21
n⁴	1.9971664499464E+29
n⁵	4.2219960947383E+36

Nth Root

^y√n

²√n	4597.818069476
³√n	276.5038536589
⁴√n	67.807212518109
⁵√n	29.17566160071

Divisors of 21139931

1, 21139931

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21139932	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10569966	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4597.8181782232	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999053923	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21139931 can be divided by 2 positive divisors. The sum of these divisors (counting 21139931) is 21139932, the average is 10569966.

Base conversion 21139931

Base	System	Value
2	Binary	1010000101001000111011011
3	Ternary	1110210000112102
4	Quaternary	1100221013123
5	Quinary	20402434211
6	Senary	2033034015
8	Octal	120510733
10	Decimal	21139931
12	Duodecimal	70b590b
16	Hexadecimal	14291db
20	Vigesimal	6c29gb
36	Base36	cl3ob

Cryptographic Hash Functions

md5	bb95afb1d34a2e2499df8aff8873182b
sha1	b3daff1cd9de8f212e3e1231221ff693de935700
sha256	53419b851d75b1c2ea37145c3f2770ff03db896fcd062631f424f460782e4358
sha512	bd408167e06965ac1c511ad10a519861f8591c2c21db42fd395ee48be3a63df1c0e057f2a99be75b5ac72a7e2b257642338c71b56edd83800077ab1821c082c3
ripemd-160	cda23ee482641d2c6041016b5e70334c11205670

21139931 as geometric shapes

Circle

Radius = n

Diameter	42279862
Circumference	132826103.85399
Area	1.4039673352361E+15

Sphere

Radius = n

Volume	3.9573030124193E+22
Surface area	5.6158693409444E+15
Circumference	132826103.85399

Square

Length = n

Perimeter	84559724
Area	446896682684761
Diagonal	29896377.127831

Cube

Length = n

Surface area	2681380096108566
Volume	9.4473650360847E+21
Space diagonal	36615434.5605

Equilateral Triangle

Length = n

Perimeter	63419793
Area	1.93511940036E+14
Altitude	18307717.28025

Triangular Pyramid

Length = n

Surface area	1.93511940036E+14
Volume	1.1133826468934E+21
Height	9965459.0426105