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

2155145 (number)

2155145 is an odd 7-digits composite number following 2155144 and preceding 2155146. In scientific notation, it is written as 2.155145 × 10^6. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 1724112 positive integers (up to 2155145) that are relatively prime to 2155145.

Interesting facts

2155145 has 4 divisors, whose sum is 2586180
The reverse of 2155145 is 5415512
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 23
Digital Root 5

Name

Name	two million one hundred fifty-five thousand one hundred forty-five

Notation

Scientific notation	2.155145 × 10^6
Engineering notation	2.155145 × 10^6

Prime Factorization of 2155145

Prime Factorization 5 × 431029

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	2155145	Product of the distinct prime numbers

The prime factorization of 2155145 is 5 × 431029. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 7, 31, 97, 438, 841, 8140, 3058, 14280, 16296, 315653, 662871, 7390700, 7967108, 54183984, 55788668, 306658966, 674420127, 1431626271, 3698387533

Basic calculations (n = 2155145)

Multiplication

n×y

n×2	4310290
n×3	6465435
n×4	8620580
n×5	10775725

Division

n÷y

n÷2	1077572.5
n÷3	718381.66666667
n÷3	538786.25
n÷5	431029

Exponentiation

n^y

n²	4644649971025
n³	1.0009894161805E+19
n⁴	2.1572773353343E+25
n⁵	4.6492454628589E+31

Nth Root

^y√n

²√n	1468.0412119556
³√n	129.16915892983
⁴√n	38.315025929204
⁵√n	18.479716273459

Divisors of 2155145

1, 5, 431029, 2155145

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	-2155144	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 2155145 can be divided by 4 positive divisors. The sum of these divisors (counting 2155145) is 1, the average is 0.25.

Base conversion 2155145

Base	System	Value
2	Binary	1000001110001010001001
3	Ternary	11001111022012
4	Quaternary	20032022021
5	Quinary	1022431040
6	Senary	114105305
8	Octal	10161211
10	Decimal	2155145
12	Duodecimal	87b235
16	Hexadecimal	20e289
20	Vigesimal	d97h5
36	Base36	1a6x5

Cryptographic Hash Functions

md5	7aa7add922ab2eeb03399ffa50bc4a02
sha1	e0be24bae88c831af040001a08092115c2698535
sha256	00e3cf3c9541d4b694ab2013677d266d77c727a93a5977d610448b4eda19acbf
sha512	a46d687266a596de156aad4c6d169a8ab51fec9380cc3b235f6983215ed627ae78ab7bcb32c28fb52d227bf38e81f92cce358bce18e2b2f8f945f66682283ac6
ripemd-160	9955de964fdd271cfa7709429c5acb61eda22b7c

2155145 as geometric shapes

Circle

Radius = n

Diameter	4310290
Circumference	13541175.398842
Area	14591598227468

Sphere

Radius = n

Volume	4.1929346615916E+19
Surface area	58366392909873
Circumference	13541175.398842

Square

Length = n

Perimeter	8620580
Area	4644649971025
Diagonal	3047835.2878806

Cube

Length = n

Surface area	27867899826150
Volume	1.0009894161805E+19
Space diagonal	3732820.637678

Equilateral Triangle

Length = n

Perimeter	6465435
Area	2011192433297.2
Altitude	1866410.318839

Triangular Pyramid

Length = n

Surface area	2011192433297.2
Volume	1.1796773401286E+18
Height	1015945.0959602