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

20091985 (number)

20091985 is an odd 8-digits composite number following 20091984 and preceding 20091986. In scientific notation, it is written as 2.0091985 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 16073584 positive integers (up to 20091985) that are relatively prime to 20091985.

Interesting facts

20091985 has 4 divisors, whose sum is 24110388
The reverse of 20091985 is 58919002
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

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

Notation

Scientific notation	2.0091985 × 10^7
Engineering notation	2.0091985 × 10^6

Prime Factorization of 20091985

Prime Factorization 5 × 4018397

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20091985	Product of the distinct prime numbers

The prime factorization of 20091985 is 5 × 4018397. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 6, 27, 16, 314, 459, 1775, 534, 1599, 4432, 56749, 757899, 7882938, 5058324, 76459612, 54340953, 735996674, 529166503, 922400725, 6017332405

Basic calculations (n = 20091985)

Multiplication

n×y

n×2	40183970
n×3	60275955
n×4	80367940
n×5	100459925

Division

n÷y

n÷2	10045992.5
n÷3	6697328.3333333
n÷3	5022996.25
n÷5	4018397

Exponentiation

n^y

n²	403687861240225
n³	8.1108904527207E+21
n⁴	1.6296388931271E+29
n⁵	3.2742680196126E+36

Nth Root

^y√n

²√n	4482.4083928174
³√n	271.85726814376
⁴√n	66.950790830411
⁵√n	28.880490774503

Divisors of 20091985

1, 5, 4018397, 20091985

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	-20091984	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 20091985 can be divided by 4 positive divisors. The sum of these divisors (counting 20091985) is 1, the average is 0.25.

Base conversion 20091985

Base	System	Value
2	Binary	1001100101001010001010001
3	Ternary	1101210210000121
4	Quaternary	1030221101101
5	Quinary	20120420420
6	Senary	1554350241
8	Octal	114512121
10	Decimal	20091985
12	Duodecimal	688b381
16	Hexadecimal	1329451
20	Vigesimal	65b9j5
36	Base36	byn2p

Cryptographic Hash Functions

md5	dcf49257192b67b80e0de41d7d25c77f
sha1	81666ac3e904383355deb2b0de9c409e3b110705
sha256	13bee7db092f6045104af8dd99c2257a01f0295c8fe86d8476b90e54194e6caf
sha512	a03e0c3d482b4579132338fee51fb858f965598a7ea2d86eb24602809180edfb03a31a2ea0b278b9561bd1e4c5bd2fc2757ac59271a6e9f49c2f7b9aeafd7740
ripemd-160	edc61899b023adbc1e8e34e51eae4c9fb1e646d8

20091985 as geometric shapes

Circle

Radius = n

Diameter	40183970
Circumference	126241664.94407
Area	1.2682228192157E+15

Sphere

Radius = n

Volume	3.3974818480452E+22
Surface area	5.0728912768627E+15
Circumference	126241664.94407

Square

Length = n

Perimeter	80367940
Area	403687861240225
Diagonal	28414357.681997

Cube

Length = n

Surface area	2422127167441350
Volume	8.1108904527207E+21
Space diagonal	34800338.844912

Equilateral Triangle

Length = n

Perimeter	60275955
Area	1.7480197151672E+14
Altitude	17400169.422456

Triangular Pyramid

Length = n

Surface area	1.7480197151672E+14
Volume	9.5587760676334E+20
Height	9471452.5606656