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

21139971 (number)

21139971 is an odd 8-digits composite number following 21139970 and preceding 21139972. In scientific notation, it is written as 2.1139971 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 13998432 positive integers (up to 21139971) that are relatively prime to 21139971.

Interesting facts

21139971 has 8 divisors, whose sum is 28376400
The reverse of 21139971 is 17993112
Previous prime number is 149

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

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

Notation

Scientific notation	2.1139971 × 10^7
Engineering notation	2.1139971 × 10^6

Prime Factorization of 21139971

Prime Factorization 3 × 149 × 47293

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21139971	Product of the distinct prime numbers

The prime factorization of 21139971 is 3 × 149 × 47293. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 55, 72, 941, 520, 5743, 4013, 12973, 43685, 526759, 755314, 2938977, 7209177, 26069535, 8709705, 374184090, 368518739, 4399391789, 9801565151

Basic calculations (n = 21139971)

Multiplication

n×y

n×2	42279942
n×3	63419913
n×4	84559884
n×5	105699855

Division

n÷y

n÷2	10569985.5
n÷3	7046657
n÷3	5284992.75
n÷5	4227994.2

Exponentiation

n^y

n²	446898373880841
n³	9.4474186637881E+21
n⁴	1.9971815657734E+29
n⁵	4.2220360382184E+36

Nth Root

^y√n

²√n	4597.8224193633
³√n	276.50402805473
⁴√n	67.807244593504
⁵√n	29.17567264167

Divisors of 21139971

1, 3, 149, 447, 47293, 141879, 7046657, 21139971

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	-21139970	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 21139971 can be divided by 8 positive divisors. The sum of these divisors (counting 21139971) is 1, the average is 0.125.

Base conversion 21139971

Base	System	Value
2	Binary	1010000101001001000000011
3	Ternary	1110210000120220
4	Quaternary	1100221020003
5	Quinary	20402434341
6	Senary	2033034123
8	Octal	120511003
10	Decimal	21139971
12	Duodecimal	70b5943
16	Hexadecimal	1429203
20	Vigesimal	6c29ib
36	Base36	cl3pf

Cryptographic Hash Functions

md5	ab7123bbff60c36618cdf93fee95c0ad
sha1	be5b01d8f73efbaac43f8edad43404e98b51f056
sha256	28d5f41bcf1c0257c567b3378057dc8aab9fa2527fd3846e1d83614de319ddeb
sha512	e9850afb30be9969a8ea165cca2740d227b751779ea63cedc11fbd4353a57258b9d56e1ac87d5aa59d3b8e424b05a32851b32ea5285277024ea48666fc3396a5
ripemd-160	7f3782759475b66f193987f6cb6bca6a4149a82f

21139971 as geometric shapes

Circle

Radius = n

Diameter	42279942
Circumference	132826355.1814
Area	1.4039726482853E+15

Sphere

Radius = n

Volume	3.9573254759392E+22
Surface area	5.6158905931411E+15
Circumference	132826355.1814

Square

Length = n

Perimeter	84559884
Area	446898373880841
Diagonal	29896433.696374

Cube

Length = n

Surface area	2681390243285046
Volume	9.4474186637881E+21
Space diagonal	36615503.842533

Equilateral Triangle

Length = n

Perimeter	63419913
Area	1.9351267234538E+14
Altitude	18307751.921266

Triangular Pyramid

Length = n

Surface area	1.9351267234538E+14
Volume	1.1133889669788E+21
Height	9965477.8987913