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

20687979 (number)

20687979 is an odd 8-digits composite number following 20687978 and preceding 20687980. In scientific notation, it is written as 2.0687979 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 12060576 positive integers (up to 20687979) that are relatively prime to 20687979.

Interesting facts

20687979 has 8 divisors, whose sum is 22336000
The reverse of 20687979 is 97978602
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3

Name

Name	twenty million six hundred eighty-seven thousand nine hundred seventy-nine

Notation

Scientific notation	2.0687979 × 10^7
Engineering notation	2.0687979 × 10^6

Prime Factorization of 20687979

Prime Factorization 39 × 19 × 27919

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20687979	Product of the distinct prime numbers

The prime factorization of 20687979 is 39 × 19 × 27919. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 3, 15, 3, 442, 402, 7342, 429, 28154, 65281, 733432, 20265, 4051998, 321059, 38196893, 44640917, 844896233, 294897935, 6764541045, 7290902225

Basic calculations (n = 20687979)

Multiplication

n×y

n×2	41375958
n×3	62063937
n×4	82751916
n×5	103439895

Division

n÷y

n÷2	10343989.5
n÷3	6895993
n÷3	5171994.75
n÷5	4137595.8

Exponentiation

n^y

n²	427992475104441
n³	8.8542993371187E+21
n⁴	1.8317755874603E+29
n⁵	3.789573488609E+36

Nth Root

^y√n

²√n	4548.4040058025
³√n	274.51917742866
⁴√n	67.441856482473
⁵√n	29.049831210825

Divisors of 20687979

1, 19, 39, 741, 27919, 530461, 1088841, 20687979

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	-20687978	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 20687979 can be divided by 8 positive divisors. The sum of these divisors (counting 20687979) is 1, the average is 0.125.

Base conversion 20687979

Base	System	Value
2	Binary	1001110111010110001101011
3	Ternary	1102221001120110
4	Quaternary	1032322301223
5	Quinary	20244003404
6	Senary	2015225403
8	Octal	116726153
10	Decimal	20687979
12	Duodecimal	6b18263
16	Hexadecimal	13bac6b
20	Vigesimal	695jij
36	Base36	cbey3

Cryptographic Hash Functions

md5	08ca236ecb403dae58517371c15cb495
sha1	88a5d421af0738d066cd6d49acdbdc4ce9c5b7ba
sha256	eb144c06b825d2764846357f0fd94ffdb8d48fcbee40db88da8ee50144a667e2
sha512	5e171f01a7bb6c6f06bcb184a8610eb5157829cc4108a8decdde8c58350d1ddda794c8225e296a1b1805bc27d802456fe11c7e771eb0916f06e55c76f734760e
ripemd-160	17ccb9a896bef61f422f112886a3c6444258360b

20687979 as geometric shapes

Circle

Radius = n

Diameter	41375958
Circumference	129986405.68804
Area	1.3445780155798E+15

Sphere

Radius = n

Volume	3.7088802333569E+22
Surface area	5.3783120623193E+15
Circumference	129986405.68804

Square

Length = n

Perimeter	82751916
Area	427992475104441
Diagonal	29257220.47989

Cube

Length = n

Surface area	2567954850626646
Volume	8.8542993371187E+21
Space diagonal	35832630.733918

Equilateral Triangle

Length = n

Perimeter	62063937
Area	1.8532617803451E+14
Altitude	17916315.366959

Triangular Pyramid

Length = n

Surface area	1.8532617803451E+14
Volume	1.0434891839887E+21
Height	9752406.8266299