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

64981 (number)

64981 is an odd 5-digits composite number following 64980 and preceding 64982. In scientific notation, it is written as 6.4981 × 10^4. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 55692 positive integers (up to 64981) that are relatively prime to 64981.

Interesting facts

64981 has 4 divisors, whose sum is 74272
The reverse of 64981 is 18946
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 5
Sum of Digits 28
Digital Root 1

Name

Name	sixty-four thousand nine hundred eighty-one

Notation

Scientific notation	6.4981 × 10^4
Engineering notation	6.4981 × 10^3

Prime Factorization of 64981

Prime Factorization 7 × 9283

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	64981	Product of the distinct prime numbers

The prime factorization of 64981 is 7 × 9283. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 8, 56, 10, 119, 515, 6893, 903, 72698, 28485, 202039, 10050, 8432400, 4541057, 38504600, 55428445, 561374090, 907314664, 2155413757, 836371492

Basic calculations (n = 64981)

Multiplication

n×y

n×2	129962
n×3	194943
n×4	259924
n×5	324905

Division

n÷y

n÷2	32490.5
n÷3	21660.333333333
n÷3	16245.25
n÷5	12996.2

Exponentiation

n^y

n²	4222530361
n³	274384245388141
n⁴	1.7829762649567E+19
n⁵	1.1585958067315E+24

Nth Root

^y√n

²√n	254.91371089057
³√n	40.203339573884
⁴√n	15.966017377247
⁵√n	9.1739692076681

Divisors of 64981

1, 7, 9283, 64981

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	-64980	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 64981 can be divided by 4 positive divisors. The sum of these divisors (counting 64981) is 1, the average is 0.25.

Base conversion 64981

Base	System	Value
2	Binary	1111110111010101
3	Ternary	10022010201
4	Quaternary	33313111
5	Quinary	4034411
6	Senary	1220501
8	Octal	176725
10	Decimal	64981
12	Duodecimal	31731
16	Hexadecimal	fdd5
20	Vigesimal	8291
36	Base36	1e51

Cryptographic Hash Functions

md5	0e095eb164d055ac648799afb2607926
sha1	a19b3d1e8699717956a4f9bcba5f2f696c6773b3
sha256	238c0a32589fd60e7d021795ff3703493a9d6321c4615be927f50a9900c2e423
sha512	e43aed769d34e28a7cdf10f44c73aa9fef60f07da0059dd2cfbd669d53d43694971bd42a8d1f3526746006bb35a9fbd51cc9e31da4b1765ea1dca40012a85d57
ripemd-160	27c5113c195175ff7a3784404ebe56fec15527e7

64981 as geometric shapes

Circle

Radius = n

Diameter	129962
Circumference	408287.66444584
Area	13265470361.677

Sphere

Radius = n

Volume	1.1493380394296E+15
Surface area	53061881446.71
Circumference	408287.66444584

Square

Length = n

Perimeter	259924
Area	4222530361
Diagonal	91897.011496566

Cube

Length = n

Surface area	25335182166
Volume	274384245388141
Space diagonal	112550.39352663

Equilateral Triangle

Length = n

Perimeter	194943
Area	1828409280.4385
Altitude	56275.196763317

Triangular Pyramid

Length = n

Surface area	1828409280.4385
Volume	32336493427451
Height	30632.337165522