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

20051985 (number)

20051985 is an odd 8-digits composite number following 20051984 and preceding 20051986. In scientific notation, it is written as 2.0051985 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 10694384 positive integers (up to 20051985) that are relatively prime to 20051985.

Interesting facts

20051985 has 8 divisors, whose sum is 32083200
The reverse of 20051985 is 58915002
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty million fifty-one thousand nine hundred eighty-five

Notation

Scientific notation	2.0051985 × 10^7
Engineering notation	2.0051985 × 10^6

Prime Factorization of 20051985

Prime Factorization 3 × 5 × 1336799

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20051985	Product of the distinct prime numbers

The prime factorization of 20051985 is 3 × 5 × 1336799. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 7, 74, 86, 518, 684, 8833, 3453, 71861, 12729, 113594, 163573, 5068583, 3014753, 6276955, 51105764, 373093168, 866968080, 2885914177, 9648761931

Basic calculations (n = 20051985)

Multiplication

n×y

n×2	40103970
n×3	60155955
n×4	80207940
n×5	100259925

Division

n÷y

n÷2	10025992.5
n÷3	6683995
n÷3	5012996.25
n÷5	4010397

Exponentiation

n^y

n²	402082102440225
n³	8.0625442868999E+21
n⁴	1.6167001710275E+29
n⁵	3.2418047578941E+36

Nth Root

^y√n

²√n	4477.9442828155
³√n	271.67673985424
⁴√n	66.917443785724
⁵√n	28.868982298102

Divisors of 20051985

1, 3, 5, 15, 1336799, 4010397, 6683995, 20051985

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	-20051984	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 20051985 can be divided by 8 positive divisors. The sum of these divisors (counting 20051985) is 1, the average is 0.125.

Base conversion 20051985

Base	System	Value
2	Binary	1001100011111100000010001
3	Ternary	1101201202011010
4	Quaternary	1030133200101
5	Quinary	20113130420
6	Senary	1553441133
8	Octal	114374021
10	Decimal	20051985
12	Duodecimal	68701a9
16	Hexadecimal	131f811
20	Vigesimal	6569j5
36	Base36	bxs7l

Cryptographic Hash Functions

md5	76984eb3d7003ab5997548aad2bca506
sha1	a966d109b91826d50c919a0192ec95edfea41743
sha256	6276750bdec3406afae2712a188834a8a943f99a87443896ba2ea5b0dab0f92f
sha512	e4195b417cef57d1a34a1b7fd3289776474c1fa4429c160a08da39c2c48d4e2c78f3faf7a6ec45d8de232728a7cf0e415b99443730435f618ea6a79036b2afd6
ripemd-160	5653aad2eb7428b663e1fef68ca59d2b1cfacbfb

20051985 as geometric shapes

Circle

Radius = n

Diameter	40103970
Circumference	125990337.53179
Area	1.2631781791661E+15

Sphere

Radius = n

Volume	3.3772306534623E+22
Surface area	5.0527127166646E+15
Circumference	125990337.53179

Square

Length = n

Perimeter	80207940
Area	402082102440225
Diagonal	28357789.139502

Cube

Length = n

Surface area	2412492614641350
Volume	8.0625442868999E+21
Space diagonal	34731056.812609

Equilateral Triangle

Length = n

Perimeter	60155955
Area	1.7410665756015E+14
Altitude	17365528.406305

Triangular Pyramid

Length = n

Surface area	1.7410665756015E+14
Volume	9.5017995648062E+20
Height	9452596.379834