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

1640981 (number)

1640981 is an odd 7-digits composite number following 1640980 and preceding 1640982. In scientific notation, it is written as 1.640981 × 10^6. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 1569612 positive integers (up to 1640981) that are relatively prime to 1640981.

Interesting facts

1640981 has 4 divisors, whose sum is 1712352
The reverse of 1640981 is 1890461
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 29
Digital Root 2

Name

Name	one million six hundred forty thousand nine hundred eighty-one

Notation

Scientific notation	1.640981 × 10^6
Engineering notation	1.640981 × 10^6

Prime Factorization of 1640981

Prime Factorization 23 × 71347

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	1640981	Product of the distinct prime numbers

The prime factorization of 1640981 is 23 × 71347. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 7, 9, 11, 5, 468, 1928, 5560, 88230, 65376, 57260, 77922, 8515938, 893661, 69063973, 27950514, 795277153, 245083222, 7692302191, 8541228950

Basic calculations (n = 1640981)

Multiplication

n×y

n×2	3281962
n×3	4922943
n×4	6563924
n×5	8204905

Division

n÷y

n÷2	820490.5
n÷3	546993.66666667
n÷3	410245.25
n÷5	328196.2

Exponentiation

n^y

n²	2692818642361
n³	4418864228560196141
n⁴	7.2512722406469E+24
n⁵	1.1899199972729E+31

Nth Root

^y√n

²√n	1281.0078063775
³√n	117.95087967982
⁴√n	35.791169391031
⁵√n	17.499301368627

Divisors of 1640981

1, 23, 71347, 1640981

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	-1640980	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 1640981 can be divided by 4 positive divisors. The sum of these divisors (counting 1640981) is 1, the average is 0.25.

Base conversion 1640981

Base	System	Value
2	Binary	110010000101000010101
3	Ternary	10002101000002
4	Quaternary	12100220111
5	Quinary	410002411
6	Senary	55101045
8	Octal	6205025
10	Decimal	1640981
12	Duodecimal	671785
16	Hexadecimal	190a15
20	Vigesimal	a5291
36	Base36	z66t

Cryptographic Hash Functions

md5	aaa6dfa77f4f63453a8eef5d255902a1
sha1	3888008406b0c6f4fa54ca4eb80f1c2901599a04
sha256	e3333edbcd5d15e3f7066f393c35381a0c3bf60fd293c6c804f149c8dca5f426
sha512	4b33f655b463b2a66af022e6e83046529a05a216c3b2ad6ac19776934a603957257264337305df899f0b59c58854d67d43276ef605b18d6a470dca84bebe9c93
ripemd-160	411c4d44956ca35d266fe246e7da129476179745

1640981 as geometric shapes

Circle

Radius = n

Diameter	3281962
Circumference	10310587.708561
Area	8459739264291

Sphere

Radius = n

Volume	1.8509695196874E+19
Surface area	33838957057164
Circumference	10310587.708561

Square

Length = n

Perimeter	6563924
Area	2692818642361
Diagonal	2320697.5857966

Cube

Length = n

Surface area	16156911854166
Volume	4418864228560196141
Space diagonal	2842262.4662552

Equilateral Triangle

Length = n

Perimeter	4922943
Area	1166024676034.5
Altitude	1421131.2331276

Triangular Pyramid

Length = n

Surface area	1166024676034.5
Volume	5.2076814352626E+17
Height	773565.86193219