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

121978 (number)

121978 is an even 6-digits composite number following 121977 and preceding 121979. In scientific notation, it is written as 1.21978 × 10^5. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 60060 positive integers (up to 121978) that are relatively prime to 121978.

Interesting facts

121978 has 8 divisors, whose sum is 185760
The reverse of 121978 is 879121
Previous prime number is 71

Basic properties

Is Prime? no
Number parity even
Number length 6
Sum of Digits 28
Digital Root 1

Name

Name	one hundred twenty-one thousand nine hundred seventy-eight

Notation

Scientific notation	1.21978 × 10^5
Engineering notation	1.21978 × 10^3

Prime Factorization of 121978

Prime Factorization 2 × 71 × 859

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	121978	Product of the distinct prime numbers

The prime factorization of 121978 is 2 × 71 × 859. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 3, 35, 88, 355, 476, 3885, 6769, 56693, 75670, 130981, 408915, 1016037, 8264731, 9389281, 29683795, 10749981, 960768921, 3746088603, 133159305

Basic calculations (n = 121978)

Multiplication

n×y

n×2	243956
n×3	365934
n×4	487912
n×5	609890

Division

n÷y

n÷2	60989
n÷3	40659.333333333
n÷3	30494.5
n÷5	24395.6

Exponentiation

n^y

n²	14878632484
n³	1814865833133352
n⁴	2.2137370459394E+20
n⁵	2.700272173896E+25

Nth Root

^y√n

²√n	349.25348960318
³√n	49.593775233397
⁴√n	18.688324954452
⁵√n	10.405340624399

Divisors of 121978

1, 2, 71, 142, 859, 1718, 60989, 121978

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	-121977	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 121978 can be divided by 8 positive divisors. The sum of these divisors (counting 121978) is 1, the average is 0.125.

Base conversion 121978

Base	System	Value
2	Binary	11101110001111010
3	Ternary	20012022201
4	Quaternary	131301322
5	Quinary	12400403
6	Senary	2340414
8	Octal	356172
10	Decimal	121978
12	Duodecimal	5a70a
16	Hexadecimal	1dc7a
20	Vigesimal	f4ii
36	Base36	2m4a

Cryptographic Hash Functions

md5	991c1161618c95bc94d3e7508c0a3d30
sha1	2bea6f4dd94a8c654e5e421bc475d1abb2803616
sha256	5668816029d3f7e3f8051693d6ac577c9754ac225b1b6234b8549bbde828b84c
sha512	861883a3079e6af2148441e05cc76d71539c6a181aca24ca4fad8b4d2fdeb2bfb782b7dc9b71d462847791b8d08f5a2a2e1d00461ac995bdd6510dee9fcddf65
ripemd-160	1d8b4826c7e7c90b18db4b77ec7ba3ae97406f85

121978 as geometric shapes

Circle

Radius = n

Diameter	243956
Circumference	766410.37739915
Area	46742602507.197

Sphere

Radius = n

Volume	7.6020922248305E+15
Surface area	186970410028.79
Circumference	766410.37739915

Square

Length = n

Perimeter	487912
Area	14878632484
Diagonal	172502.94191115

Cube

Length = n

Surface area	89271794904
Volume	1814865833133352
Space diagonal	211272.09340564

Equilateral Triangle

Length = n

Perimeter	365934
Area	6442636852.3582
Altitude	105636.04670282

Triangular Pyramid

Length = n

Surface area	6442636852.3582
Volume	2.1388398959206E+14
Height	57500.980637048