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

20145409 (number)

20145409 is an odd 8-digits composite number following 20145408 and preceding 20145410. In scientific notation, it is written as 2.0145409 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20000340 positive integers (up to 20145409) that are relatively prime to 20145409.

Interesting facts

20145409 has 4 divisors, whose sum is 20290480
The reverse of 20145409 is 90454102
Previous prime number is 139

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty million one hundred forty-five thousand four hundred nine

Notation

Scientific notation	2.0145409 × 10^7
Engineering notation	2.0145409 × 10^6

Prime Factorization of 20145409

Prime Factorization 139 × 144931

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20145409	Product of the distinct prime numbers

The prime factorization of 20145409 is 139 × 144931. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 6, 86, 42, 400, 130, 2019, 3158, 94698, 97673, 607196, 397267, 8266937, 2498765, 50099551, 62866394, 377501318, 432092749, 6292143184, 2357129846

Basic calculations (n = 20145409)

Multiplication

n×y

n×2	40290818
n×3	60436227
n×4	80581636
n×5	100727045

Division

n÷y

n÷2	10072704.5
n÷3	6715136.3333333
n÷3	5036352.25
n÷5	4029081.8

Exponentiation

n^y

n²	405837503777281
n³	8.1757625011324E+21
n⁴	1.6470407947217E+29
n⁵	3.3180310449355E+36

Nth Root

^y√n

²√n	4488.3637330323
³√n	272.09800840205
⁴√n	66.995251570782
⁵√n	28.895832941341

Divisors of 20145409

1, 139, 144931, 20145409

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	-20145408	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 20145409 can be divided by 4 positive divisors. The sum of these divisors (counting 20145409) is 1, the average is 0.25.

Base conversion 20145409

Base	System	Value
2	Binary	1001100110110010100000001
3	Ternary	1101220111022021
4	Quaternary	1030312110001
5	Quinary	20124123114
6	Senary	1555441441
8	Octal	114662401
10	Decimal	20145409
12	Duodecimal	68b6281
16	Hexadecimal	1336501
20	Vigesimal	65i3a9
36	Base36	bzsap

Cryptographic Hash Functions

md5	9f7dbcd3eca22facec0e6e78e46ae586
sha1	f52bdb4f0d6cbc086776744208c16bdd50ba8254
sha256	329cb6687ba36a0639bf2fce1505258164ce8ae48a9baca53c62745588c93881
sha512	56e806c60d9f75fc17336ecae77a0a550c45496b0fac9a52fa41565fe214b4e1eb9ba24c1577c1476aa608c6fc3c0acc6f827fec8aeeda5ede74b2ef67e07032
ripemd-160	3c7e48d312f8fdd49354765f79102da1bb9d7f4d

20145409 as geometric shapes

Circle

Radius = n

Diameter	40290818
Circumference	126577337.83592
Area	1.2749761204179E+15

Sphere

Radius = n

Volume	3.4246553881403E+22
Surface area	5.0999044816717E+15
Circumference	126577337.83592

Square

Length = n

Perimeter	80581636
Area	405837503777281
Diagonal	28489910.627353

Cube

Length = n

Surface area	2435025022663686
Volume	8.1757625011324E+21
Space diagonal	34892871.927255

Equilateral Triangle

Length = n

Perimeter	60436227
Area	1.7573279403979E+14
Altitude	17446435.963628

Triangular Pyramid

Length = n

Surface area	1.7573279403979E+14
Volume	9.635228509869E+20
Height	9496636.8757843