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

12887921 (number)

12887921 is an odd 8-digits composite number following 12887920 and preceding 12887922. In scientific notation, it is written as 1.2887921 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 12052800 positive integers (up to 12887921) that are relatively prime to 12887921.

Interesting facts

12887921 has 8 divisors, whose sum is 13732704
The reverse of 12887921 is 12978821
Previous prime number is 163

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	1.2887921 × 10^7
Engineering notation	1.2887921 × 10^6

Prime Factorization of 12887921

Prime Factorization 17 × 163 × 4651

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12887921	Product of the distinct prime numbers

The prime factorization of 12887921 is 17 × 163 × 4651. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 8, 93, 60, 380, 211, 8157, 8208, 70208, 12931, 84497, 746606, 394793, 4118372, 49874295, 99266863, 424130252, 210562905, 850514664, 9674387831

Basic calculations (n = 12887921)

Multiplication

n×y

n×2	25775842
n×3	38663763
n×4	51551684
n×5	64439605

Division

n÷y

n÷2	6443960.5
n÷3	4295973.6666667
n÷3	3221980.25
n÷5	2577584.2

Exponentiation

n^y

n²	166098507702241
n³	2.1406644454844E+21
n⁴	2.7588714260911E+28
n⁵	3.555611698862E+35

Nth Root

^y√n

²√n	3589.9750695513
³√n	234.45578610048
⁴√n	59.916400672531
⁵√n	26.426312907504

Divisors of 12887921

1, 17, 163, 2771, 4651, 79067, 758113, 12887921

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	-12887920	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 12887921 can be divided by 8 positive divisors. The sum of these divisors (counting 12887921) is 1, the average is 0.125.

Base conversion 12887921

Base	System	Value
2	Binary	110001001010011101110001
3	Ternary	220020202220102
4	Quaternary	301022131301
5	Quinary	11244403141
6	Senary	1140122145
8	Octal	61123561
10	Decimal	12887921
12	Duodecimal	4396355
16	Hexadecimal	c4a771
20	Vigesimal	40ajg1
36	Base36	7o8dt

Cryptographic Hash Functions

md5	cbfdeb97b16bb0e98b54f69c7e82b419
sha1	d35c53763201ff084679c22765fe839d916c9120
sha256	e772b9cafa7e407df7be10d11edc461adf6c141ee95eb11c91b6e25ab9f04a16
sha512	e731b6b4568fc570fd6f97fb63db2750425eed2b96ffe0642580fd52779bd817a04eb3b37d95fda7e50ebf56f3245e9c308abaec30c0a1ae83ad2dd245e0fbd0
ripemd-160	a162103a0f6b8e51d9284a84cdcfa85bbfc86ba5

12887921 as geometric shapes

Circle

Radius = n

Diameter	25775842
Circumference	80977195.867291
Area	5.2181385156959E+14

Sphere

Radius = n

Volume	8.9667942609794E+21
Surface area	2.0872554062784E+15
Circumference	80977195.867291

Square

Length = n

Perimeter	51551684
Area	166098507702241
Diagonal	18226272.668993

Cube

Length = n

Surface area	996591046213446
Volume	2.1406644454844E+21
Space diagonal	22322533.975934

Equilateral Triangle

Length = n

Perimeter	38663763
Area	71922763600413
Altitude	11161266.987967

Triangular Pyramid

Length = n

Surface area	71922763600413
Volume	2.5227972427449E+20
Height	6075424.2229977