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

20187985 (number)

20187985 is an odd 8-digits composite number following 20187984 and preceding 20187986. In scientific notation, it is written as 2.0187985 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 16101120 positive integers (up to 20187985) that are relatively prime to 20187985.

Interesting facts

20187985 has 8 divisors, whose sum is 24299496
The reverse of 20187985 is 58978102
Previous prime number is 337

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

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

Notation

Scientific notation	2.0187985 × 10^7
Engineering notation	2.0187985 × 10^6

Prime Factorization of 20187985

Prime Factorization 5 × 337 × 11981

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20187985	Product of the distinct prime numbers

The prime factorization of 20187985 is 5 × 337 × 11981. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 6, 66, 3, 3, 233, 9224, 9965, 45523, 975, 294944, 397691, 8322797, 1848188, 51932165, 37555819, 305118218, 275397843, 7109051256, 5651266034

Basic calculations (n = 20187985)

Multiplication

n×y

n×2	40375970
n×3	60563955
n×4	80751940
n×5	100939925

Division

n÷y

n÷2	10093992.5
n÷3	6729328.3333333
n÷3	5046996.25
n÷5	4037597

Exponentiation

n^y

n²	407554738360225
n³	8.2277089446951E+21
n⁴	1.6610086475987E+29
n⁵	3.3532417662593E+36

Nth Root

^y√n

²√n	4493.1041608224
³√n	272.28956061633
⁴√n	67.030621068452
⁵√n	28.908036518474

Divisors of 20187985

1, 5, 337, 1685, 11981, 59905, 4037597, 20187985

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	-20187984	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 20187985 can be divided by 8 positive divisors. The sum of these divisors (counting 20187985) is 1, the average is 0.125.

Base conversion 20187985

Base	System	Value
2	Binary	1001101000000101101010001
3	Ternary	1101222122201011
4	Quaternary	1031000231101
5	Quinary	20132003420
6	Senary	2000410521
8	Octal	115005521
10	Decimal	20187985
12	Duodecimal	6916a41
16	Hexadecimal	1340b51
20	Vigesimal	6639j5
36	Base36	c0p5d

Cryptographic Hash Functions

md5	78c7bef8ad03c5853c726f9675d04999
sha1	d40acc474e2796de8e5891e92894996dbecd64e3
sha256	db2b86f881aba7e7d5dd87d659a97ad6b50525e209ebb444e46cc3186e02de37
sha512	bf7d1620f00ca7bf2b6efbbc40b328cdd6def8e520104a5affe7243de48ddee574352b45bdaf987a12deaf7d8e651aea632a1f3a66c77656d0bc838523458661
ripemd-160	0e2e90f6797329192e0c5b2b797730a34e1beff9

20187985 as geometric shapes

Circle

Radius = n

Diameter	40375970
Circumference	126844850.73356
Area	1.2803709719682E+15

Sphere

Radius = n

Volume	3.4464146635372E+22
Surface area	5.1214838878728E+15
Circumference	126844850.73356

Square

Length = n

Perimeter	80751940
Area	407554738360225
Diagonal	28550122.183985

Cube

Length = n

Surface area	2445328430161350
Volume	8.2277089446951E+21
Space diagonal	34966615.722438

Equilateral Triangle

Length = n

Perimeter	60563955
Area	1.7647637842634E+14
Altitude	17483307.861219

Triangular Pyramid

Length = n

Surface area	1.7647637842634E+14
Volume	9.6964479807053E+20
Height	9516707.3946615