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

21139921 (number)

21139921 is an odd 8-digits composite number following 21139920 and preceding 21139922. In scientific notation, it is written as 2.1139921 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 18382320 positive integers (up to 21139921) that are relatively prime to 21139921.

Interesting facts

21139921 has 8 divisors, whose sum is 24064704
The reverse of 21139921 is 12993112
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.1139921 × 10^7
Engineering notation	2.1139921 × 10^6

Prime Factorization of 21139921

Prime Factorization 23 × 11 × 83557

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21139921	Product of the distinct prime numbers

The prime factorization of 21139921 is 23 × 11 × 83557. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 5, 22, 47, 950, 626, 1103, 2474, 26868, 73612, 930610, 150433, 9428970, 7369717, 68664171, 6579532, 823663446, 938995863, 712913101, 3507601215

Basic calculations (n = 21139921)

Multiplication

n×y

n×2	42279842
n×3	63419763
n×4	84559684
n×5	105699605

Division

n÷y

n÷2	10569960.5
n÷3	7046640.3333333
n÷3	5284980.25
n÷5	4227984.2

Exponentiation

n^y

n²	446896259886241
n³	9.4473516291906E+21
n⁴	1.9971626710031E+29
n⁵	4.2219861089155E+36

Nth Root

^y√n

²√n	4597.8169820035
³√n	276.50381005991
⁴√n	67.807204499253
⁵√n	29.175658840468

Divisors of 21139921

1, 11, 23, 253, 83557, 919127, 1921811, 21139921

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	-21139920	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 21139921 can be divided by 8 positive divisors. The sum of these divisors (counting 21139921) is 1, the average is 0.125.

Base conversion 21139921

Base	System	Value
2	Binary	1010000101001000111010001
3	Ternary	1110210000112001
4	Quaternary	1100221013101
5	Quinary	20402434141
6	Senary	2033034001
8	Octal	120510721
10	Decimal	21139921
12	Duodecimal	70b5901
16	Hexadecimal	14291d1
20	Vigesimal	6c29g1
36	Base36	cl3o1

Cryptographic Hash Functions

md5	09e09a1d5655e549bffafab94b406e2e
sha1	9effcbeb76421d2101f49be812ed483b19d7b0d6
sha256	e0ed476adcb89bed0e7fbba01a80e46e55afd69746b2b448b8b1c2bb3bf456d7
sha512	4c152a7ecb8642bb05bd7160b63414ed67fd75f33d0a8d1f76756663d54f708ac0cabbbb52e159020e134dcf78121d79d104417d764e83536d2aada6f9c7715b
ripemd-160	b758ab7d1e3e257441d921b0608069723b7a0387

21139921 as geometric shapes

Circle

Radius = n

Diameter	42279842
Circumference	132826041.02214
Area	1.4039660069754E+15

Sphere

Radius = n

Volume	3.9572973965526E+22
Surface area	5.6158640279015E+15
Circumference	132826041.02214

Square

Length = n

Perimeter	84559684
Area	446896259886241
Diagonal	29896362.985696

Cube

Length = n

Surface area	2681377559317446
Volume	9.4473516291906E+21
Space diagonal	36615417.239992

Equilateral Triangle

Length = n

Perimeter	63419763
Area	1.9351175695887E+14
Altitude	18307708.619996

Triangular Pyramid

Length = n

Surface area	1.9351175695887E+14
Volume	1.1133810668757E+21
Height	9965454.3285653