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

51665981 (number)

51665981 is an odd 8-digits composite number following 51665980 and preceding 51665982. In scientific notation, it is written as 5.1665981 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 49299712 positive integers (up to 51665981) that are relatively prime to 51665981.

Interesting facts

51665981 has 8 divisors, whose sum is 54043200
The reverse of 51665981 is 18956615
Previous prime number is 449

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	fifty-one million six hundred sixty-five thousand nine hundred eighty-one

Notation

Scientific notation	5.1665981 × 10^7
Engineering notation	5.1665981 × 10^6

Prime Factorization of 51665981

Prime Factorization 23 × 449 × 5003

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	51665981	Product of the distinct prime numbers

The prime factorization of 51665981 is 23 × 449 × 5003. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 94, 40, 935, 33, 1311, 54, 95525, 80928, 940487, 552660, 5134457, 8022488, 3745795, 40143020, 870933474, 822256098, 2161505047, 4083308321

Basic calculations (n = 51665981)

Multiplication

n×y

n×2	103331962
n×3	154997943
n×4	206663924
n×5	258329905

Division

n÷y

n÷2	25832990.5
n÷3	17221993.666667
n÷3	12916495.25
n÷5	10333196.2

Exponentiation

n^y

n²	2669373592692361
n³	1.3791580532195E+23
n⁴	7.1255553773633E+30
n⁵	3.681488087413E+38

Nth Root

^y√n

²√n	7187.9051885789
³√n	372.45021270536
⁴√n	84.781514427256
⁵√n	34.885177413028

Divisors of 51665981

1, 23, 449, 5003, 10327, 115069, 2246347, 51665981

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	-51665980	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 51665981 can be divided by 8 positive divisors. The sum of these divisors (counting 51665981) is 1, the average is 0.125.

Base conversion 51665981

Base	System	Value
2	Binary	11000101000101110000111101
3	Ternary	10121012220101212
4	Quaternary	3011011300331
5	Quinary	101211302411
6	Senary	5043214205
8	Octal	305056075
10	Decimal	51665981
12	Duodecimal	15377365
16	Hexadecimal	3145c3d
20	Vigesimal	g2i4j1
36	Base36	urdq5

Cryptographic Hash Functions

md5	ec13b974e0116264c8d4073e69be2056
sha1	573aa97ff3e2bad298c43bf6a214c9eaa14bbec0
sha256	e53b0ea6f9ff1787a32b23bebf4f47944c98362fa0c892ba38e59d58f6433bb4
sha512	35132b31d046fa974e360e3218e08f768e46bf7b72f4f5defce5927c904d62ab9c46ec2ec673471c1b4831ca5a396e30d64ce38de0b040c26e167881f3ce49d4
ripemd-160	03f3dc46b97943c0ef03c8dc2cba5df4873ae9a5

51665981 as geometric shapes

Circle

Radius = n

Diameter	103331962
Circumference	324626932.70022
Area	8.3860844684889E+15

Sphere

Radius = n

Volume	5.7770037441779E+23
Surface area	3.3544337873956E+16
Circumference	324626932.70022

Square

Length = n

Perimeter	206663924
Area	2669373592692361
Diagonal	73066731.043511

Cube

Length = n

Surface area	16016241556154166
Volume	1.3791580532195E+23
Space diagonal	89488104.114888

Equilateral Triangle

Length = n

Perimeter	154997943
Area	1.1558726717315E+15
Altitude	44744052.057444

Triangular Pyramid

Length = n

Surface area	1.1558726717315E+15
Volume	1.6253533529325E+22
Height	24355577.014504