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

21291289 (number)

21291289 is an odd 8-digits composite number following 21291288 and preceding 21291290. In scientific notation, it is written as 2.1291289 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 21279760 positive integers (up to 21291289) that are relatively prime to 21291289.

Interesting facts

21291289 has 4 divisors, whose sum is 21302820
The reverse of 21291289 is 98219212
Previous prime number is 2309

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	twenty-one million two hundred ninety-one thousand two hundred eighty-nine

Notation

Scientific notation	2.1291289 × 10^7
Engineering notation	2.1291289 × 10^6

Prime Factorization of 21291289

Prime Factorization 2309 × 9221

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21291289	Product of the distinct prime numbers

The prime factorization of 21291289 is 2309 × 9221. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 3, 57, 93, 861, 26, 53, 1760, 38641, 17193, 100175, 108702, 5317989, 4863252, 78133012, 7715920, 162276187, 941299451, 2000697812, 4780569033

Basic calculations (n = 21291289)

Multiplication

n×y

n×2	42582578
n×3	63873867
n×4	85165156
n×5	106456445

Division

n÷y

n÷2	10645644.5
n÷3	7097096.3333333
n÷3	5322822.25
n÷5	4258257.8

Exponentiation

n^y

n²	453318987281521
n³	9.6517455673982E+21
n⁴	2.0549810422994E+29
n⁵	4.3753195261119E+36

Nth Root

^y√n

²√n	4614.2484761876
³√n	277.16219046105
⁴√n	67.92825977594
⁵√n	29.217320930978

Divisors of 21291289

1, 2309, 9221, 21291289

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	-21291288	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 21291289 can be divided by 4 positive divisors. The sum of these divisors (counting 21291289) is 1, the average is 0.25.

Base conversion 21291289

Base	System	Value
2	Binary	1010001001110000100011001
3	Ternary	1111001201011021
4	Quaternary	1101032010121
5	Quinary	20422310124
6	Senary	2040202441
8	Octal	121160431
10	Decimal	21291289
12	Duodecimal	7169421
16	Hexadecimal	144e119
20	Vigesimal	6d1849
36	Base36	cocgp

Cryptographic Hash Functions

md5	72eb66bb6ff5283969fd0ed8284460fc
sha1	f8cc4b7ec6d79dd16ea9ce918a0a2f5dbfa8ff60
sha256	3b99d1287a443007798cf6fe167455d57bc71e4e8dd960b7cd4251607fe94690
sha512	6a12a3614dab80210184678e05ae3f1bef8de87a7238d4ca3e9ead06f5f5cd525fbffff93538a5a070484a8b6a8f18ffbbf250e0daaa727e624392d7c557fc0c
ripemd-160	7328cfa5ab8cb07dbc2dbf1bfcbb6eb28de80d9d

21291289 as geometric shapes

Circle

Radius = n

Diameter	42582578
Circumference	133777114.21571
Area	1.4241436001764E+15

Sphere

Radius = n

Volume	4.0429137291808E+22
Surface area	5.6965744007056E+15
Circumference	133777114.21571

Square

Length = n

Perimeter	85165156
Area	453318987281521
Diagonal	30110429.664205

Cube

Length = n

Surface area	2719913923689126
Volume	9.6517455673982E+21
Space diagonal	36877594.306632

Equilateral Triangle

Length = n

Perimeter	63873867
Area	1.9629287950182E+14
Altitude	18438797.153316

Triangular Pyramid

Length = n

Surface area	1.9629287950182E+14
Volume	1.1374691234991E+21
Height	10036809.888068