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

21489939 (number)

21489939 is an odd 8-digits composite number following 21489938 and preceding 21489940. In scientific notation, it is written as 2.1489939 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 14293152 positive integers (up to 21489939) that are relatively prime to 21489939.

Interesting facts

21489939 has 8 divisors, whose sum is 23933520
The reverse of 21489939 is 93998412
Previous prime number is 5113

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9

Name

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

Notation

Scientific notation	2.1489939 × 10^7
Engineering notation	2.1489939 × 10^6

Prime Factorization of 21489939

Prime Factorization 9 × 5113 × 467

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21489939	Product of the distinct prime numbers

The prime factorization of 21489939 is 9 × 5113 × 467. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 2, 36, 22, 960, 534, 9831, 4515, 46717, 61325, 786361, 318916, 2515464, 314301, 88715549, 23714787, 374403001, 601421354, 3429546770, 9092659771

Basic calculations (n = 21489939)

Multiplication

n×y

n×2	42979878
n×3	64469817
n×4	85959756
n×5	107449695

Division

n÷y

n÷2	10744969.5
n÷3	7163313
n÷3	5372484.75
n÷5	4297987.8

Exponentiation

n^y

n²	461817478223721
n³	9.9244294361616E+21
n⁴	2.1327538319292E+29
n⁵	4.5832749750174E+36

Nth Root

^y√n

²√n	4635.7242152656
³√n	278.02150774716
⁴√n	68.086152889304
⁵√n	29.27163873599

Divisors of 21489939

1, 9, 467, 4203, 5113, 46017, 2387771, 21489939

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	-21489938	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 21489939 can be divided by 8 positive divisors. The sum of these divisors (counting 21489939) is 1, the average is 0.125.

Base conversion 21489939

Base	System	Value
2	Binary	1010001111110100100010011
3	Ternary	1111102210122200
4	Quaternary	1101332210103
5	Quinary	21000134224
6	Senary	2044334243
8	Octal	121764423
10	Decimal	21489939
12	Duodecimal	7244383
16	Hexadecimal	147e913
20	Vigesimal	6e64gj
36	Base36	cslqr

Cryptographic Hash Functions

md5	bf41f410223e4acd2cd5efe0fcba945a
sha1	4474a93d23b5eb6d2beee070276d82e91178649a
sha256	484eb8be96419d0a67e87c1329401373d22ce635b6cec18cc9a1ea86cbf1d21b
sha512	994cf0ccbf48431bc5470abe8d80c75615ec1865713375a86adbf0864c7cbe4f65f0f4af27cabf0760e98176fcef85eb42c93dd3fd88b0f188e85267e4ec337e
ripemd-160	3e3b7cfbc7ae70aab0a045d81b01ceb880485079

21489939 as geometric shapes

Circle

Radius = n

Diameter	42979878
Circumference	135025268.97699
Area	1.450842396887E+15

Sphere

Radius = n

Volume	4.1571352810287E+22
Surface area	5.803369587548E+15
Circumference	135025268.97699

Square

Length = n

Perimeter	85959756
Area	461817478223721
Diagonal	30391363.188371

Cube

Length = n

Surface area	2770904869342326
Volume	9.9244294361616E+21
Space diagonal	37221666.199556

Equilateral Triangle

Length = n

Perimeter	64469817
Area	1.999728340267E+14
Altitude	18610833.099778

Triangular Pyramid

Length = n

Surface area	1.999728340267E+14
Volume	1.1696052256195E+21
Height	10130454.396124