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

12920987 (number)

12920987 is an odd 8-digits composite number following 12920986 and preceding 12920988. In scientific notation, it is written as 1.2920987 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 12899880 positive integers (up to 12920987) that are relatively prime to 12920987.

Interesting facts

12920987 has 4 divisors, whose sum is 12942096
The reverse of 12920987 is 78902921
Previous prime number is 631

Basic properties

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

Name

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

Notation

Scientific notation	1.2920987 × 10^7
Engineering notation	1.2920987 × 10^6

Prime Factorization of 12920987

Prime Factorization 631 × 20477

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12920987	Product of the distinct prime numbers

The prime factorization of 12920987 is 631 × 20477. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 1, 78, 33, 255, 577, 3321, 3941, 44819, 94467, 124328, 394054, 5370205, 873200, 21088870, 59875862, 27875409, 907384927, 4073248348, 633536968

Basic calculations (n = 12920987)

Multiplication

n×y

n×2	25841974
n×3	38762961
n×4	51683948
n×5	64604935

Division

n÷y

n÷2	6460493.5
n÷3	4306995.6666667
n÷3	3230246.75
n÷5	2584197.4

Exponentiation

n^y

n²	166951905054169
n³	2.1571833948302E+21
n⁴	2.7872938601216E+28
n⁵	3.6014587731811E+35

Nth Root

^y√n

²√n	3594.5774438729
³√n	234.65612599901
⁴√n	59.954795003177
⁵√n	26.439859189778

Divisors of 12920987

1, 631, 20477, 12920987

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	-12920986	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 12920987 can be divided by 4 positive divisors. The sum of these divisors (counting 12920987) is 1, the average is 0.25.

Base conversion 12920987

Base	System	Value
2	Binary	110001010010100010011011
3	Ternary	220022110021002
4	Quaternary	301102202123
5	Quinary	11301432422
6	Senary	1140535215
8	Octal	61224233
10	Decimal	12920987
12	Duodecimal	43b150b
16	Hexadecimal	c5289b
20	Vigesimal	40f297
36	Base36	7oxwb

Cryptographic Hash Functions

md5	4a5b559004810d2701dbfc699608febe
sha1	d0873196d32d48864da132fbabeb915f00d77241
sha256	7aff2877f67587a14bb4b38bbb8cb84ecd44943ff596afbc1a37b75970d73938
sha512	9b42048bfdc7167fee061c133fcd71bdac9dc73a1cdc15ad25d310da6bc05721312738881294654b9b280b35fd62fd3436a63087949b227a525b3e224e1b84d0
ripemd-160	eda107be39fec2ad4356841260f73c5216f6c1d1

12920987 as geometric shapes

Circle

Radius = n

Diameter	25841974
Circumference	81184955.672658
Area	5.24494878421E+14

Sphere

Radius = n

Volume	9.0359886741924E+21
Surface area	2.097979513684E+15
Circumference	81184955.672658

Square

Length = n

Perimeter	51683948
Area	166951905054169
Diagonal	18273035.054646

Cube

Length = n

Surface area	1001711430325014
Volume	2.1571833948302E+21
Space diagonal	22379805.967937

Equilateral Triangle

Length = n

Perimeter	38762961
Area	72292295493559
Altitude	11189902.983968

Triangular Pyramid

Length = n

Surface area	72292295493559
Volume	2.5422650112457E+20
Height	6091011.6848822