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

20147987 (number)

20147987 is an odd 8-digits composite number following 20147986 and preceding 20147988. In scientific notation, it is written as 2.0147987 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 20121600 positive integers (up to 20147987) that are relatively prime to 20147987.

Interesting facts

20147987 has 4 divisors, whose sum is 20174376
The reverse of 20147987 is 78974102
Previous prime number is 787

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	2.0147987 × 10^7
Engineering notation	2.0147987 × 10^6

Prime Factorization of 20147987

Prime Factorization 787 × 25601

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20147987	Product of the distinct prime numbers

The prime factorization of 20147987 is 787 × 25601. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 5, 28, 96, 436, 541, 7259, 1289, 65787, 10636, 342319, 9576, 3342462, 2275689, 58949350, 98516213, 736301229, 14960105, 8470470368, 5675683847

Basic calculations (n = 20147987)

Multiplication

n×y

n×2	40295974
n×3	60443961
n×4	80591948
n×5	100739935

Division

n÷y

n÷2	10073993.5
n÷3	6715995.6666667
n÷3	5036996.75
n÷5	4029597.4

Exponentiation

n^y

n²	405941380152169
n³	8.178901650068E+21
n⁴	1.6478840411985E+29
n⁵	3.3201546239574E+36

Nth Root

^y√n

²√n	4488.6509109085
³√n	272.10961466505
⁴√n	66.997394806877
⁵√n	28.896572461144

Divisors of 20147987

1, 787, 25601, 20147987

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	-20147986	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 20147987 can be divided by 4 positive divisors. The sum of these divisors (counting 20147987) is 1, the average is 0.25.

Base conversion 20147987

Base	System	Value
2	Binary	1001100110110111100010011
3	Ternary	1101220121211202
4	Quaternary	1030312330103
5	Quinary	20124213422
6	Senary	1555501415
8	Octal	114667423
10	Decimal	20147987
12	Duodecimal	68b786b
16	Hexadecimal	1336f13
20	Vigesimal	65i9j7
36	Base36	bzuab

Cryptographic Hash Functions

md5	b04dc8d1351e26198226b9429122b9d8
sha1	050d556d67f4c6a64631be1faa743f64973b9279
sha256	115e7c79c58667a78c09daed243646977a64535a00a163b5dcb6a4de15f6a6a5
sha512	26117ac45b59a73608faafce3381d9648616815f0ee50f4052ae511dd2694d60252f0bfb11b3edf8c889c4eabf1e3c463ba91d64b54d2798c48b0f90c7056990
ripemd-160	7a0e938455df109d0d23d4291256342325b02350

20147987 as geometric shapes

Circle

Radius = n

Diameter	40295974
Circumference	126593535.88765
Area	1.2753024576742E+15

Sphere

Radius = n

Volume	3.4259703117716E+22
Surface area	5.1012098306966E+15
Circumference	126593535.88765

Square

Length = n

Perimeter	80591948
Area	405941380152169
Diagonal	28493556.469917

Cube

Length = n

Surface area	2435648280913014
Volume	8.178901650068E+21
Space diagonal	34897337.154237

Equilateral Triangle

Length = n

Perimeter	60443961
Area	1.7577777382955E+14
Altitude	17448668.577119

Triangular Pyramid

Length = n

Surface area	1.7577777382955E+14
Volume	9.6389280323682E+20
Height	9497852.1566389