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

21291239 (number)

21291239 is an odd 8-digits prime number following 21291238 and preceding 21291240. In scientific notation, it is written as 2.1291239 × 10^7. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 21291238 positive integers (up to 21291239) that are relatively prime to 21291239.

Interesting facts

21291239 has 2 divisors, whose sum is 21291240
The reverse of 21291239 is 93219212
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.1291239 × 10^7
Engineering notation	2.1291239 × 10^6

Prime Factorization of 21291239

Prime Factorization 21291239

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21291239	Product of the distinct prime numbers

The prime factorization of 21291239 is 21291239. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 10, 5, 96, 440, 689, 6743, 5508, 9204, 33025, 511031, 942224, 4960111, 9794846, 17316543, 21141009, 638390412, 312193645, 7012358916, 8685483011

Basic calculations (n = 21291239)

Multiplication

n×y

n×2	42582478
n×3	63873717
n×4	85164956
n×5	106456195

Division

n÷y

n÷2	10645619.5
n÷3	7097079.6666667
n÷3	5322809.75
n÷5	4258247.8

Exponentiation

n^y

n²	453316858155121
n³	9.6516775697098E+21
n⁴	2.0549617388763E+29
n⁵	4.3752681518271E+36

Nth Root

^y√n

²√n	4614.2430581841
³√n	277.16197350033
⁴√n	67.928219895593
⁵√n	29.217307208301

Divisors of 21291239

1, 21291239

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21291240	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10645620	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4614.2431665442	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999060647	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21291239 can be divided by 2 positive divisors. The sum of these divisors (counting 21291239) is 21291240, the average is 10645620.

Base conversion 21291239

Base	System	Value
2	Binary	1010001001110000011100111
3	Ternary	1111001201002102
4	Quaternary	1101032003213
5	Quinary	20422304424
6	Senary	2040202315
8	Octal	121160347
10	Decimal	21291239
12	Duodecimal	716939b
16	Hexadecimal	144e0e7
20	Vigesimal	6d181j
36	Base36	cocfb

Cryptographic Hash Functions

md5	dd5f3e105e5a4d60cd584d9be5b92308
sha1	27782a20fa963238d7db153815b1e221cbd179fd
sha256	5f68a452a71297f138adba9672e03a5a6fdd6d06b0cb4a33cebb6492bcdc5d67
sha512	671cfb051f651dc202e0c4cad55e5bfaa80ddb8e8f9cfb63ca035cbd7fc5317142926dfa5ec52adc3d8eb565a02803befe1445d01a4e4e6930049023396718eb
ripemd-160	6309a086914785f254b583701f22c18c959689b5

21291239 as geometric shapes

Circle

Radius = n

Diameter	42582478
Circumference	133776800.05645
Area	1.4241369113285E+15

Sphere

Radius = n

Volume	4.0428852463757E+22
Surface area	5.6965476453141E+15
Circumference	133776800.05645

Square

Length = n

Perimeter	85164956
Area	453316858155121
Diagonal	30110358.953527

Cube

Length = n

Surface area	2719901148930726
Volume	9.6516775697098E+21
Space diagonal	36877507.704092

Equilateral Triangle

Length = n

Perimeter	63873717
Area	1.9629195756304E+14
Altitude	18438753.852046

Triangular Pyramid

Length = n

Surface area	1.9629195756304E+14
Volume	1.1374611098946E+21
Height	10036786.317842