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

21479989 (number)

21479989 is an odd 8-digits composite number following 21479988 and preceding 21479990. In scientific notation, it is written as 2.1479989 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 21335680 positive integers (up to 21479989) that are relatively prime to 21479989.

Interesting facts

21479989 has 4 divisors, whose sum is 21624300
The reverse of 21479989 is 98997412
Previous prime number is 149

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4

Name

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

Notation

Scientific notation	2.1479989 × 10^7
Engineering notation	2.1479989 × 10^6

Prime Factorization of 21479989

Prime Factorization 149 × 144161

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21479989	Product of the distinct prime numbers

The prime factorization of 21479989 is 149 × 144161. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 2, 57, 43, 637, 339, 9646, 9814, 84789, 21278, 260627, 697367, 6957894, 9470818, 24969993, 86043096, 509659268, 177068363, 5550136231, 1923806055

Basic calculations (n = 21479989)

Multiplication

n×y

n×2	42959978
n×3	64439967
n×4	85919956
n×5	107399945

Division

n÷y

n÷2	10739994.5
n÷3	7159996.3333333
n÷3	5369997.25
n÷5	4295997.8

Exponentiation

n^y

n²	461389927440121
n³	9.9106505661246E+21
n⁴	2.128806651432E+29
n⁵	4.5726743455886E+36

Nth Root

^y√n

²√n	4634.6509037898
³√n	277.97859245468
⁴√n	68.07827042302
⁵√n	29.268927636985

Divisors of 21479989

1, 149, 144161, 21479989

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	-21479988	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 21479989 can be divided by 4 positive divisors. The sum of these divisors (counting 21479989) is 1, the average is 0.25.

Base conversion 21479989

Base	System	Value
2	Binary	1010001111100001000110101
3	Ternary	1111102022000011
4	Quaternary	1101330020311
5	Quinary	20444324424
6	Senary	2044220221
8	Octal	121741065
10	Decimal	21479989
12	Duodecimal	723a671
16	Hexadecimal	147c235
20	Vigesimal	6e4jj9
36	Base36	cse2d

Cryptographic Hash Functions

md5	d06dacb4786e0bdbdf84cf578b6ff5be
sha1	00e12bb382971dffbb3138c6b64a9394e1464afc
sha256	ee0b23229abf7dd81a246de368642e96e245b5e337e8d668c2aa1430d1434cf5
sha512	3c050fb5f974d863c2588f8695102f00ddb28c852a5f88ca01005424244d1c97b7dae32465fd753ed3fceb6a1c91aff39e52abfa5d876c94f62c4baae5b553ec
ripemd-160	20eec5acf4c5ac3f7bd5756d6cf64b33043b4900

21479989 as geometric shapes

Circle

Radius = n

Diameter	42959978
Circumference	134962751.28318
Area	1.4494992064862E+15

Sphere

Radius = n

Volume	4.1513636014443E+22
Surface area	5.7979968259448E+15
Circumference	134962751.28318

Square

Length = n

Perimeter	85919956
Area	461389927440121
Diagonal	30377291.763425

Cube

Length = n

Surface area	2768339564640726
Volume	9.9106505661246E+21
Space diagonal	37204432.294021

Equilateral Triangle

Length = n

Perimeter	64439967
Area	1.997876991067E+14
Altitude	18602216.14701

Triangular Pyramid

Length = n

Surface area	1.997876991067E+14
Volume	1.1679813702128E+21
Height	10125763.921142