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

12897921 (number)

12897921 is an odd 8-digits composite number following 12897920 and preceding 12897922. In scientific notation, it is written as 1.2897921 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 8436272 positive integers (up to 12897921) that are relatively prime to 12897921.

Interesting facts

12897921 has 8 divisors, whose sum is 17521920
The reverse of 12897921 is 12979821
Previous prime number is 53

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

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

Notation

Scientific notation	1.2897921 × 10^7
Engineering notation	1.2897921 × 10^6

Prime Factorization of 12897921

Prime Factorization 3 × 53 × 81119

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12897921	Product of the distinct prime numbers

The prime factorization of 12897921 is 3 × 53 × 81119. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 5, 8, 76, 99, 830, 5891, 7846, 76545, 24413, 326159, 86137, 883066, 7030323, 54703929, 78119905, 76134590, 564236186, 4111746164, 3470358948

Basic calculations (n = 12897921)

Multiplication

n×y

n×2	25795842
n×3	38693763
n×4	51591684
n×5	64489605

Division

n÷y

n÷2	6448960.5
n÷3	4299307
n÷3	3224480.25
n÷5	2579584.2

Exponentiation

n^y

n²	166356366122241
n³	2.1456512680917E+21
n⁴	2.7674440549397E+28
n⁵	3.5694274792532E+35

Nth Root

^y√n

²√n	3591.3675668191
³√n	234.51641009421
⁴√n	59.928019880679
⁵√n	26.430412578016

Divisors of 12897921

1, 3, 53, 159, 81119, 243357, 4299307, 12897921

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	-12897920	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 12897921 can be divided by 8 positive divisors. The sum of these divisors (counting 12897921) is 1, the average is 0.125.

Base conversion 12897921

Base	System	Value
2	Binary	110001001100111010000001
3	Ternary	220021021121210
4	Quaternary	301030322001
5	Quinary	11300213141
6	Senary	1140240333
8	Octal	61147201
10	Decimal	12897921
12	Duodecimal	43a00a9
16	Hexadecimal	c4ce81
20	Vigesimal	40c4g1
36	Base36	7og3l

Cryptographic Hash Functions

md5	62e986e392f50da3ef42978de49725cb
sha1	2550f00871304c16bd55340e4c9201c322d81a3c
sha256	6644c0ae478778aeac93a44476a293e851de30c90565e7785bcd8c8ba21b65c8
sha512	17e7ca33deab2e30d38991d68d7edf37f26eeec87ead3bf2c577556e062003f1c9d3e2a28fe2fe55b7fc1ca6a153f4ece10793b730567430b80eda2564b6ce1b
ripemd-160	f5f6ef6faa95c9fe5e901313417c0a6f062dcab7

12897921 as geometric shapes

Circle

Radius = n

Diameter	25795842
Circumference	81040027.720363
Area	5.2262393768753E+14

Sphere

Radius = n

Volume	8.9876830146702E+21
Surface area	2.0904957507501E+15
Circumference	81040027.720363

Square

Length = n

Perimeter	51591684
Area	166356366122241
Diagonal	18240414.804617

Cube

Length = n

Surface area	998138196733446
Volume	2.1456512680917E+21
Space diagonal	22339854.48401

Equilateral Triangle

Length = n

Perimeter	38693763
Area	72034419571563
Altitude	11169927.242005

Triangular Pyramid

Length = n

Surface area	72034419571563
Volume	2.5286742695486E+20
Height	6080138.2682056