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

2155440 (number)

2155440 is an even 7-digits composite number following 2155439 and preceding 2155441. In scientific notation, it is written as 2.155440 × 10^6. The sum of its digits is 21. It has a total of 7 prime factors and 40 positive divisors. There are 492288 positive integers (up to 2155440) that are relatively prime to 2155440.

Interesting facts

2155440 has 40 divisors, whose sum is 5094912
The reverse of 2155440 is 0445512
Previous prime number is 7

Basic properties

Is Prime? no
Number parity even
Number length 7
Sum of Digits 21
Digital Root 3

Name

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

Notation

Scientific notation	2.155440 × 10^6
Engineering notation	2.155440 × 10^6

Prime Factorization of 2155440

Prime Factorization 2 × 2 × 2 × 2 × 15 × 7 × 1283

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	7	Total number of prime factors
rad	Radical	269430	Product of the distinct prime numbers

The prime factorization of 2155440 is 2 × 2 × 2 × 2 × 15 × 7 × 1283. Since it has a total of 7 prime factors.

Most popular turbo-numbers

8, 5, 51, 18, 594, 457, 5703, 2843, 81264, 71602, 143158, 248046, 1732448, 9144763, 394958, 8257376, 461176847, 367225627, 1680516754, 3226126583

Basic calculations (n = 2155440)

Multiplication

n×y

n×2	4310880
n×3	6466320
n×4	8621760
n×5	10777200

Division

n÷y

n÷2	1077720
n÷3	718480
n÷3	538860
n÷5	431088

Exponentiation

n^y

n²	4645921593600
n³	1.0014005239709E+19
n⁴	2.1584587453879E+25
n⁵	4.6524283181588E+31

Nth Root

^y√n

²√n	1468.1416825361
³√n	129.17505229406
⁴√n	38.316337018772
⁵√n	18.480222152909

Divisors of 2155440

1, 2, 4, 7, 8, 14, 15, 16, 28, 30, 56, 60, 105, 112, 120, 210, 240, 420, 840, 1283, 1680, 2566, 5132, 8981, 10264, 17962, 19245, 20528, 35924, 38490, 71848, 76980, 134715, 143696, 153960, 269430, 307920, 538860, 1077720, 2155440

40 divisors

τ	Total Divisors	40	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-2155439	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.025	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	40	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2155440 can be divided by 40 positive divisors. The sum of these divisors (counting 2155440) is 1, the average is 0.025.

Base conversion 2155440

Base	System	Value
2	Binary	1000001110001110110000
3	Ternary	11001111201010
4	Quaternary	20032032300
5	Quinary	1022433230
6	Senary	114110520
8	Octal	10161660
10	Decimal	2155440
12	Duodecimal	87b440
16	Hexadecimal	20e3b0
20	Vigesimal	d98c0
36	Base36	1a75c

Cryptographic Hash Functions

md5	08ded2ce98787119624a662cb21c174e
sha1	c284ab1472f1f5eb974e511b1be07a164cb5388a
sha256	7860b88216995440b89f978a312e4a583d19acb6685f9afa070d8d45878419e2
sha512	501cdb1619929065c2cdc39a55f77515debb0a3b0cdae60c7c20ce278d981cb251344367c8f1c689f9aa803d08c2b3fa9a29be93eef4e96f313bcbe0c58131a0
ripemd-160	b8cf7fd1d64a74a52806d67d2a8040cece7c6d36

2155440 as geometric shapes

Circle

Radius = n

Diameter	4310880
Circumference	13543028.938507
Area	14595593147608

Sphere

Radius = n

Volume	4.1946567058773E+19
Surface area	58382372590432
Circumference	13543028.938507

Square

Length = n

Perimeter	8621760
Area	4645921593600
Diagonal	3048252.4808815

Cube

Length = n

Surface area	27875529561600
Volume	1.0014005239709E+19
Space diagonal	3733331.5926663

Equilateral Triangle

Length = n

Perimeter	6466320
Area	2011743062024.1
Altitude	1866665.7963331

Triangular Pyramid

Length = n

Surface area	2011743062024.1
Volume	1.180161835306E+18
Height	1016084.1602938