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

122987 (number)

122987 is an odd 6-digits composite number following 122986 and preceding 122988. In scientific notation, it is written as 1.22987 × 10^5. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 116496 positive integers (up to 122987) that are relatively prime to 122987.

Interesting facts

122987 has 4 divisors, whose sum is 129480
The reverse of 122987 is 789221
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 29
Digital Root 2

Name

Name	one hundred twenty-two thousand nine hundred eighty-seven

Notation

Scientific notation	1.22987 × 10^5
Engineering notation	1.22987 × 10^3

Prime Factorization of 122987

Prime Factorization 19 × 6473

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	122987	Product of the distinct prime numbers

The prime factorization of 122987 is 19 × 6473. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 5, 64, 92, 643, 975, 9999, 6585, 43267, 8597, 130964, 842464, 4504142, 228148, 33392687, 45325632, 653552976, 766762072, 6013505834, 370359734

Basic calculations (n = 122987)

Multiplication

n×y

n×2	245974
n×3	368961
n×4	491948
n×5	614935

Division

n÷y

n÷2	61493.5
n÷3	40995.666666667
n÷3	30746.75
n÷5	24597.4

Exponentiation

n^y

n²	15125802169
n³	1860277031358803
n⁴	2.2878989125573E+20
n⁵	2.8138182355868E+25

Nth Root

^y√n

²√n	350.69502420194
³√n	49.730146198657
⁴√n	18.726853024519
⁵√n	10.422498507181

Divisors of 122987

1, 19, 6473, 122987

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	-122986	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 122987 can be divided by 4 positive divisors. The sum of these divisors (counting 122987) is 1, the average is 0.25.

Base conversion 122987

Base	System	Value
2	Binary	11110000001101011
3	Ternary	20020201002
4	Quaternary	132001223
5	Quinary	12413422
6	Senary	2345215
8	Octal	360153
10	Decimal	122987
12	Duodecimal	5b20b
16	Hexadecimal	1e06b
20	Vigesimal	f797
36	Base36	2mwb

Cryptographic Hash Functions

md5	2473e5746f317e3d79a4c6e70f70b7fe
sha1	88ca61df17b93626fd442412c85d7a02a66ff548
sha256	27c6965e1ce86d5ce95b0a7d7da886161273aa95df86b56301553e1e5f4f35cd
sha512	0008381e0b8d93410ef92f1d148c708953f76180c7fa657e46c172cebd106e57e0e12a9db0eab141c2bd662019f60ec50d6bad8942239828c92185ae4c6ee3b9
ripemd-160	a5b9ca0fb2be32377bc176a8e3f3ff91973953fe

122987 as geometric shapes

Circle

Radius = n

Diameter	245974
Circumference	772750.1113741
Area	47519108973.783

Sphere

Radius = n

Volume	7.7923102071449E+15
Surface area	190076435895.13
Circumference	772750.1113741

Square

Length = n

Perimeter	491948
Area	15125802169
Diagonal	173929.88339558

Cube

Length = n

Surface area	90754813014
Volume	1860277031358803
Space diagonal	213019.73267047

Equilateral Triangle

Length = n

Perimeter	368961
Area	6549664465.4859
Altitude	106509.86633524

Triangular Pyramid

Length = n

Surface area	6549664465.4859
Volume	2.1923575062656E+14
Height	57976.627798527