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

12821921 (number)

12821921 is an odd 8-digits composite number following 12821920 and preceding 12821922. In scientific notation, it is written as 1.2821921 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 10990212 positive integers (up to 12821921) that are relatively prime to 12821921.

Interesting facts

12821921 has 4 divisors, whose sum is 14653632
The reverse of 12821921 is 12912821
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twelve million eight hundred twenty-one thousand nine hundred twenty-one

Notation

Scientific notation	1.2821921 × 10^7
Engineering notation	1.2821921 × 10^6

Prime Factorization of 12821921

Prime Factorization 7 × 1831703

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12821921	Product of the distinct prime numbers

The prime factorization of 12821921 is 7 × 1831703. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 8, 41, 25, 389, 481, 4865, 5460, 95281, 94638, 89572, 503305, 655092, 5730366, 85783302, 41642429, 226116273, 408610920, 1910928114, 6506038220

Basic calculations (n = 12821921)

Multiplication

n×y

n×2	25643842
n×3	38465763
n×4	51287684
n×5	64109605

Division

n÷y

n÷2	6410960.5
n÷3	4273973.6666667
n÷3	3205480.25
n÷5	2564384.2

Exponentiation

n^y

n²	164401658130241
n³	2.107945072815E+21
n⁴	2.7027905195973E+28
n⁵	3.4654966521825E+35

Nth Root

^y√n

²√n	3580.7710063616
³√n	234.05487913414
⁴√n	59.839543834839
⁵√n	26.399191071322

Divisors of 12821921

1, 7, 1831703, 12821921

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	-12821920	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 12821921 can be divided by 4 positive divisors. The sum of these divisors (counting 12821921) is 1, the average is 0.25.

Base conversion 12821921

Base	System	Value
2	Binary	110000111010010110100001
3	Ternary	220010102100222
4	Quaternary	300322112201
5	Quinary	11240300141
6	Senary	1134452425
8	Octal	60722641
10	Decimal	12821921
12	Duodecimal	4364115
16	Hexadecimal	c3a5a1
20	Vigesimal	402eg1
36	Base36	7mtgh

Cryptographic Hash Functions

md5	d80a17db4a37dc4fea95654dcb71e598
sha1	d3fe2ebc729a59da8efb59f21d377c509e26ce4c
sha256	dc16e6c60f0795b4df7fcec63f8342a92598ec434d98eceeccd7aa867e87a891
sha512	5dae13ff6f3232f9eec40df863ce84e01c035b71611e2a40a59ba44a9cd705cf4e8d9b5a83b6477e4cb11cb6d3dbd3f6dd1aba167030534e52d211bf2495bd20
ripemd-160	069ff647942e8a274733df5cee98dcbb28365c9e

12821921 as geometric shapes

Circle

Radius = n

Diameter	25643842
Circumference	80562505.637017
Area	5.1648304141995E+14

Sphere

Radius = n

Volume	8.829739673235E+21
Surface area	2.0659321656798E+15
Circumference	80562505.637017

Square

Length = n

Perimeter	51287684
Area	164401658130241
Diagonal	18132934.573876

Cube

Length = n

Surface area	986409948781446
Volume	2.107945072815E+21
Space diagonal	22208218.622634

Equilateral Triangle

Length = n

Perimeter	38465763
Area	71188006182537
Altitude	11104109.311317

Triangular Pyramid

Length = n

Surface area	71188006182537
Volume	2.4842370922604E+20
Height	6044311.5246255