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

20199981 (number)

20199981 is an odd 8-digits composite number following 20199980 and preceding 20199982. In scientific notation, it is written as 2.0199981 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 13153392 positive integers (up to 20199981) that are relatively prime to 20199981.

Interesting facts

20199981 has 8 divisors, whose sum is 27559840
The reverse of 20199981 is 18999102
Previous prime number is 43

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

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

Notation

Scientific notation	2.0199981 × 10^7
Engineering notation	2.0199981 × 10^6

Prime Factorization of 20199981

Prime Factorization 3 × 43 × 156589

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20199981	Product of the distinct prime numbers

The prime factorization of 20199981 is 3 × 43 × 156589. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 9, 30, 31, 84, 937, 1243, 7877, 60714, 38153, 723701, 559434, 6180982, 128813, 43964253, 64979548, 816047058, 728538334, 340277190, 86488762

Basic calculations (n = 20199981)

Multiplication

n×y

n×2	40399962
n×3	60599943
n×4	80799924
n×5	100999905

Division

n÷y

n÷2	10099990.5
n÷3	6733327
n÷3	5049995.25
n÷5	4039996.2

Exponentiation

n^y

n²	408039232400361
n³	8.2423847417419E+21
n⁴	1.6649601517788E+29
n⁵	3.3632163431688E+36

Nth Root

^y√n

²√n	4494.4388971261
³√n	272.34348276861
⁴√n	67.040576497567
⁵√n	28.911471218971

Divisors of 20199981

1, 3, 43, 129, 156589, 469767, 6733327, 20199981

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	-20199980	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 20199981 can be divided by 8 positive divisors. The sum of these divisors (counting 20199981) is 1, the average is 0.125.

Base conversion 20199981

Base	System	Value
2	Binary	1001101000011101000101101
3	Ternary	1102000021011110
4	Quaternary	1031003220231
5	Quinary	20132344411
6	Senary	2000542233
8	Octal	115035055
10	Decimal	20199981
12	Duodecimal	6921979
16	Hexadecimal	1343a2d
20	Vigesimal	664jj1
36	Base36	c0yel

Cryptographic Hash Functions

md5	b200a52886f8d8cb342ca44e339e5cc8
sha1	1c2ca969a89915c69399c15507a847361ccc7fde
sha256	1f7b39aec1933d822237f9e1218ee1df5c59c6eba89d1880690468336f9553d9
sha512	e05c2f3e0d361e57123cfeb976ba65b79f5c0ba23733f954b6cc03f254a44c6fa367f60034aa1ca8e394753f1e1a817e6414cae725cb27fe26890ffdc8a1191e
ripemd-160	927bd0a9bb16d1b458313adebf693c9f5eabcff0

20199981 as geometric shapes

Circle

Radius = n

Diameter	40399962
Circumference	126920223.82451
Area	1.2818930548854E+15

Sphere

Radius = n

Volume	3.4525620470289E+22
Surface area	5.1275722195416E+15
Circumference	126920223.82451

Square

Length = n

Perimeter	80799924
Area	408039232400361
Diagonal	28567087.089879

Cube

Length = n

Surface area	2448235394402166
Volume	8.2423847417419E+21
Space diagonal	34987393.403926

Equilateral Triangle

Length = n

Perimeter	60599943
Area	1.7668617049971E+14
Altitude	17493696.701963

Triangular Pyramid

Length = n

Surface area	1.7668617049971E+14
Volume	9.7137435733904E+20
Height	9522362.3632929