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

20172981 (number)

20172981 is an odd 8-digits composite number following 20172980 and preceding 20172982. In scientific notation, it is written as 2.0172981 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13429712 positive integers (up to 20172981) that are relatively prime to 20172981.

Interesting facts

20172981 has 8 divisors, whose sum is 26935200
The reverse of 20172981 is 18927102
Previous prime number is 773

Basic properties

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

Name

Name	twenty million one hundred seventy-two thousand nine hundred eighty-one

Notation

Scientific notation	2.0172981 × 10^7
Engineering notation	2.0172981 × 10^6

Prime Factorization of 20172981

Prime Factorization 3 × 773 × 8699

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20172981	Product of the distinct prime numbers

The prime factorization of 20172981 is 3 × 773 × 8699. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 9, 64, 7, 200, 527, 3155, 8365, 70759, 95763, 476695, 644472, 3127365, 747942, 75526014, 59717883, 963844189, 384084440, 656381189, 9370833861

Basic calculations (n = 20172981)

Multiplication

n×y

n×2	40345962
n×3	60518943
n×4	80691924
n×5	100864905

Division

n÷y

n÷2	10086490.5
n÷3	6724327
n÷3	5043245.25
n÷5	4034596.2

Exponentiation

n^y

n²	406949162426361
n³	8.2093777215929E+21
n⁴	1.6560762079952E+29
n⁵	3.3407993878439E+36

Nth Root

^y√n

²√n	4491.434180749
³√n	272.22208739562
⁴√n	67.01816306606
⁵√n	28.903738267004

Divisors of 20172981

1, 3, 773, 2319, 8699, 26097, 6724327, 20172981

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	-20172980	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 20172981 can be divided by 8 positive divisors. The sum of these divisors (counting 20172981) is 1, the average is 0.125.

Base conversion 20172981

Base	System	Value
2	Binary	1001100111101000010110101
3	Ternary	1101221220010110
4	Quaternary	1030331002311
5	Quinary	20131013411
6	Senary	2000213233
8	Octal	114750265
10	Decimal	20172981
12	Duodecimal	690a219
16	Hexadecimal	133d0b5
20	Vigesimal	661c91
36	Base36	c0dkl

Cryptographic Hash Functions

md5	fb6b486092da968dc69eacac4651219b
sha1	ddb2008306f0f09b32c1842c5e14ddf315628d1d
sha256	5349dd211455111fa92abc6de508fd0bf05365ddbbe7018431eafa4e9d55b2f9
sha512	4bd946b39c9d45b370d1e2d42f3258a3405524825dc3bfee5626481978ed776aa0be388a878d327d42707a68da5ff90b274eed131509d4f9da6cce81c8e93bf0
ripemd-160	5946b889f1522a62eaf916aae617dee9b63fd618

20172981 as geometric shapes

Circle

Radius = n

Diameter	40345962
Circumference	126750577.82121
Area	1.2784684990632E+15

Sphere

Radius = n

Volume	3.43873609876E+22
Surface area	5.1138739962527E+15
Circumference	126750577.82121

Square

Length = n

Perimeter	80691924
Area	406949162426361
Diagonal	28528903.323695

Cube

Length = n

Surface area	2441694974558166
Volume	8.2093777215929E+21
Space diagonal	34940628.032122

Equilateral Triangle

Length = n

Perimeter	60518943
Area	1.7621415635501E+14
Altitude	17470314.016061

Triangular Pyramid

Length = n

Surface area	1.7621415635501E+14
Volume	9.6748444271002E+20
Height	9509634.4412316