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

20681409 (number)

20681409 is an odd 8-digits composite number following 20681408 and preceding 20681410. In scientific notation, it is written as 2.0681409 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 11212992 positive integers (up to 20681409) that are relatively prime to 20681409.

Interesting facts

20681409 has 8 divisors, whose sum is 21223840
The reverse of 20681409 is 90418602
Previous prime number is 43

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty million six hundred eighty-one thousand four hundred nine

Notation

Scientific notation	2.0681409 × 10^7
Engineering notation	2.0681409 × 10^6

Prime Factorization of 20681409

Prime Factorization 777 × 43 × 619

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20681409	Product of the distinct prime numbers

The prime factorization of 20681409 is 777 × 43 × 619. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 1, 78, 77, 871, 356, 8544, 5218, 80842, 65724, 186496, 127168, 4035627, 3151899, 9781674, 61169752, 536231507, 521910487, 9822385431, 8138464495

Basic calculations (n = 20681409)

Multiplication

n×y

n×2	41362818
n×3	62044227
n×4	82725636
n×5	103407045

Division

n÷y

n÷2	10340704.5
n÷3	6893803
n÷3	5170352.25
n÷5	4136281.8

Exponentiation

n^y

n²	427720678225281
n³	8.8458662841344E+21
n⁴	1.8294497858149E+29
n⁵	3.7835599265401E+36

Nth Root

^y√n

²√n	4547.681717095
³√n	274.4901141426
⁴√n	67.436501370511
⁵√n	29.047985872135

Divisors of 20681409

1, 43, 619, 777, 26617, 33411, 480963, 20681409

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	-20681408	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 20681409 can be divided by 8 positive divisors. The sum of these divisors (counting 20681409) is 1, the average is 0.125.

Base conversion 20681409

Base	System	Value
2	Binary	1001110111001001011000001
3	Ternary	1102220201120010
4	Quaternary	1032321023001
5	Quinary	20243301114
6	Senary	2015135133
8	Octal	116711301
10	Decimal	20681409
12	Duodecimal	6b144a9
16	Hexadecimal	13b92c1
20	Vigesimal	6953a9
36	Base36	cb9vl

Cryptographic Hash Functions

md5	c6c09e87ee68cf9f87beb36e606e45a2
sha1	1c723e7c7100cb4a7660f0dfb2d1126570fa2a0c
sha256	2dda326a398c53f618cc0d5fefa8d435be2088a1cefc3677b9fe0376728d3746
sha512	f94176ef7c74697827cdd52deee2d33f511c5095748082790ccfe9a1b890b24ded19da67c757698759eb2ed4ec7acdbc43d57868d19489d91c4bedaede51932e
ripemd-160	a5c86f8c949d1cc355d25bfc4e0a48fac54e39b9

20681409 as geometric shapes

Circle

Radius = n

Diameter	41362818
Circumference	129945125.16057
Area	1.343724140501E+15

Sphere

Radius = n

Volume	3.7053478043832E+22
Surface area	5.3748965620039E+15
Circumference	129945125.16057

Square

Length = n

Perimeter	82725636
Area	427720678225281
Diagonal	29247929.096785

Cube

Length = n

Surface area	2566324069351686
Volume	8.8458662841344E+21
Space diagonal	35821251.160112

Equilateral Triangle

Length = n

Perimeter	62044227
Area	1.852084865335E+14
Altitude	17910625.580056

Triangular Pyramid

Length = n

Surface area	1.852084865335E+14
Volume	1.0424953391635E+21
Height	9749309.6989283