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

20781013 (number)

20781013 is an odd 8-digits composite number following 20781012 and preceding 20781014. In scientific notation, it is written as 2.0781013 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 18380880 positive integers (up to 20781013) that are relatively prime to 20781013.

Interesting facts

20781013 has 8 divisors, whose sum is 23283360
The reverse of 20781013 is 31018702
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	twenty million seven hundred eighty-one thousand thirteen

Notation

Scientific notation	2.0781013 × 10^7
Engineering notation	2.0781013 × 10^6

Prime Factorization of 20781013

Prime Factorization 37 × 11 × 51059

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20781013	Product of the distinct prime numbers

The prime factorization of 20781013 is 37 × 11 × 51059. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 1, 22, 83, 107, 771, 6275, 7225, 1364, 81505, 48162, 3320, 9189212, 6857108, 27622453, 10861217, 963136630, 526912254, 6580717967, 860916826

Basic calculations (n = 20781013)

Multiplication

n×y

n×2	41562026
n×3	62343039
n×4	83124052
n×5	103905065

Division

n÷y

n÷2	10390506.5
n÷3	6927004.3333333
n÷3	5195253.25
n÷5	4156202.6

Exponentiation

n^y

n²	431850501306169
n³	8.9742908817E+21
n⁴	1.8649485547839E+29
n⁵	3.8755520161295E+36

Nth Root

^y√n

²√n	4558.6196375657
³√n	274.93006706594
⁴√n	67.517550589204
⁵√n	29.075911801764

Divisors of 20781013

1, 11, 37, 407, 51059, 561649, 1889183, 20781013

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20781012	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20781013 can be divided by 8 positive divisors. The sum of these divisors (counting 20781013) is 1, the average is 0.125.

Base conversion 20781013

Base	System	Value
2	Binary	1001111010001011111010101
3	Ternary	1110002210012011
4	Quaternary	1033101133111
5	Quinary	20304443023
6	Senary	2021224221
8	Octal	117213725
10	Decimal	20781013
12	Duodecimal	6b62071
16	Hexadecimal	13d17d5
20	Vigesimal	69hcad
36	Base36	cdeqd

Cryptographic Hash Functions

md5	c920b1848841e9fa3cabb9a284200a38
sha1	e6fec143e980a00e2551802c59c17d5b8c5261f0
sha256	38de5b9f845f56cd1fcf526445b9743c69e7ffddcf7dd19021e5d32de4db378c
sha512	1b449ecc9b8947642240fbc26ab5412c36fe14d40aa3ad95869529371bf316561f7c1d68f559f4523612dac66fec1fd7a43d6b2078f84a21d84272452497e3a9
ripemd-160	2bb1c4db9e9c543e5cf623904b3b099746f500a6

20781013 as geometric shapes

Circle

Radius = n

Diameter	41562026
Circumference	130570955.54991
Area	1.3566983623525E+15

Sphere

Radius = n

Volume	3.7591421740169E+22
Surface area	5.4267934494101E+15
Circumference	130570955.54991

Square

Length = n

Perimeter	83124052
Area	431850501306169
Diagonal	29388790.424452

Cube

Length = n

Surface area	2591103007837014
Volume	8.9742908817E+21
Space diagonal	35993770.348749

Equilateral Triangle

Length = n

Perimeter	62343039
Area	1.8699675238409E+14
Altitude	17996885.174375

Triangular Pyramid

Length = n

Surface area	1.8699675238409E+14
Volume	1.0576303231318E+21
Height	9796263.4748172