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

20731979 (number)

20731979 is an odd 8-digits prime number following 20731978 and preceding 20731980. In scientific notation, it is written as 2.0731979 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 20731978 positive integers (up to 20731979) that are relatively prime to 20731979.

Interesting facts

20731979 has 2 divisors, whose sum is 20731980
The reverse of 20731979 is 97913702
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty million seven hundred thirty-one thousand nine hundred seventy-nine

Notation

Scientific notation	2.0731979 × 10^7
Engineering notation	2.0731979 × 10^6

Prime Factorization of 20731979

Prime Factorization 20731979

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20731979	Product of the distinct prime numbers

The prime factorization of 20731979 is 20731979. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 10, 75, 16, 975, 99, 178, 3164, 92004, 75229, 619351, 909230, 9802895, 4346075, 77993774, 79810518, 517212303, 535107195, 1948090156, 6216615013

Basic calculations (n = 20731979)

Multiplication

n×y

n×2	41463958
n×3	62195937
n×4	82927916
n×5	103659895

Division

n÷y

n÷2	10365989.5
n÷3	6910659.6666667
n÷3	5182994.75
n÷5	4146395.8

Exponentiation

n^y

n²	429814953256441
n³	8.9109145847985E+21
n⁴	1.8474089404284E+29
n⁵	3.8300443357373E+36

Nth Root

^y√n

²√n	4553.2382981786
³√n	274.71365897853
⁴√n	67.477687409829
⁵√n	29.06217757443

Divisors of 20731979

1, 20731979

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20731980	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10365990	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4553.2384079905	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999035307	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20731979 can be divided by 2 positive divisors. The sum of these divisors (counting 20731979) is 20731980, the average is 10365990.

Base conversion 20731979

Base	System	Value
2	Binary	1001111000101100001001011
3	Ternary	1110000021221002
4	Quaternary	1033011201023
5	Quinary	20301410404
6	Senary	2020205215
8	Octal	117054113
10	Decimal	20731979
12	Duodecimal	6b3980b
16	Hexadecimal	13c584b
20	Vigesimal	69b9ij
36	Base36	cccwb

Cryptographic Hash Functions

md5	267c0dfd4323996213375d2a518a75d4
sha1	67dfa2e826f3ee8c81a56c812fe3a65c86376bd3
sha256	db931e4cee04ea1854fde0e90d949959cd51aa5f72967737d31d5dc188f92d75
sha512	433c2824219ae6dd223e11b72db975c495909c3b265be068fdb49ab67af6b151c8984cd12a781ceecfccb88c87a4d7403ac1be27c173e67d3de5ec836cd8df8f
ripemd-160	cfe738fed480d1065dfaac02c88d3bcff51aef4a

20731979 as geometric shapes

Circle

Radius = n

Diameter	41463958
Circumference	130262865.84156
Area	1.3503034995535E+15

Sphere

Radius = n

Volume	3.7325951728492E+22
Surface area	5.4012139982139E+15
Circumference	130262865.84156

Square

Length = n

Perimeter	82927916
Area	429814953256441
Diagonal	29319445.876634

Cube

Length = n

Surface area	2578889719538646
Volume	8.9109145847985E+21
Space diagonal	35908840.969451

Equilateral Triangle

Length = n

Perimeter	62195937
Area	1.8611533422325E+14
Altitude	17954420.484726

Triangular Pyramid

Length = n

Surface area	1.8611533422325E+14
Volume	1.0501613549142E+21
Height	9773148.6255447