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

20996981 (number)

20996981 is an odd 8-digits composite number following 20996980 and preceding 20996982. In scientific notation, it is written as 2.0996981 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 20982912 positive integers (up to 20996981) that are relatively prime to 20996981.

Interesting facts

20996981 has 4 divisors, whose sum is 21011052
The reverse of 20996981 is 18969902
Previous prime number is 12373

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

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

Notation

Scientific notation	2.0996981 × 10^7
Engineering notation	2.0996981 × 10^6

Prime Factorization of 20996981

Prime Factorization 12373 × 1697

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20996981	Product of the distinct prime numbers

The prime factorization of 20996981 is 12373 × 1697. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 6, 63, 20, 386, 151, 4955, 1624, 13650, 17390, 53390, 284479, 5572180, 1130553, 12251282, 16495252, 461157023, 570708691, 541855907, 5439471805

Basic calculations (n = 20996981)

Multiplication

n×y

n×2	41993962
n×3	62990943
n×4	83987924
n×5	104984905

Division

n÷y

n÷2	10498490.5
n÷3	6998993.6666667
n÷3	5249245.25
n÷5	4199396.2

Exponentiation

n^y

n²	440873211114361
n³	9.2570064371772E+21
n⁴	1.9436918827829E+29
n⁵	4.0811661532646E+36

Nth Root

^y√n

²√n	4582.2462832109
³√n	275.87919606468
⁴√n	67.692291165323
⁵√n	29.13609678134

Divisors of 20996981

1, 1697, 12373, 20996981

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20996980	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20996981 can be divided by 4 positive divisors. The sum of these divisors (counting 20996981) is 1, the average is 0.25.

Base conversion 20996981

Base	System	Value
2	Binary	1010000000110001101110101
3	Ternary	1110111202102222
4	Quaternary	1100012031311
5	Quinary	20333400411
6	Senary	2030012125
8	Octal	120061565
10	Decimal	20996981
12	Duodecimal	7047045
16	Hexadecimal	1406375
20	Vigesimal	6b4c91
36	Base36	ci1dh

Cryptographic Hash Functions

md5	4c5a4b231cfeb0755676cbd567dc6cfc
sha1	0603045383fbc2faf7cd30b3443a05c646b963e9
sha256	17ee36af51e6c8666655ce48aca343c9a2c35549f24603ead2416658f7a638fb
sha512	945604a5cc5a57303eaf27aaaef8a2815f066de1943df4adbffb9037e96cc5b3ed341debc4f99e783aabb90bb23c3060d627036b17fa275a81145d2b80b2771f
ripemd-160	35a3ecae6eb9128f92a7461c7d70f16ae5c71c71

20996981 as geometric shapes

Circle

Radius = n

Diameter	41993962
Circumference	131927922.51433
Area	1.3850440412014E+15

Sphere

Radius = n

Volume	3.8775657889693E+22
Surface area	5.5401761648057E+15
Circumference	131927922.51433

Square

Length = n

Perimeter	83987924
Area	440873211114361
Diagonal	29694215.29909

Cube

Length = n

Surface area	2645239266686166
Volume	9.2570064371772E+21
Space diagonal	36367837.897558

Equilateral Triangle

Length = n

Perimeter	62990943
Area	1.9090370033653E+14
Altitude	18183918.948779

Triangular Pyramid

Length = n

Surface area	1.9090370033653E+14
Volume	1.0909486708693E+21
Height	9898071.7663634