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

20019981 (number)

20019981 is an odd 8-digits composite number following 20019980 and preceding 20019982. In scientific notation, it is written as 2.0019981 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 13346652 positive integers (up to 20019981) that are relatively prime to 20019981.

Interesting facts

20019981 has 4 divisors, whose sum is 26693312
The reverse of 20019981 is 18991002
Previous prime number is 3

Basic properties

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

Name

Name	twenty million nineteen thousand nine hundred eighty-one

Notation

Scientific notation	2.0019981 × 10^7
Engineering notation	2.0019981 × 10^6

Prime Factorization of 20019981

Prime Factorization 3 × 6673327

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20019981	Product of the distinct prime numbers

The prime factorization of 20019981 is 3 × 6673327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 4, 80, 96, 173, 878, 5354, 3515, 86243, 47284, 938911, 873963, 4609295, 1124260, 78153155, 36594353, 922040659, 534356312, 5647353966, 8832684729

Basic calculations (n = 20019981)

Multiplication

n×y

n×2	40039962
n×3	60059943
n×4	80079924
n×5	100099905

Division

n÷y

n÷2	10009990.5
n÷3	6673327
n÷3	5004995.25
n÷5	4003996.2

Exponentiation

n^y

n²	400799639240361
n³	8.0240011623989E+21
n⁴	1.606403508152E+29
n⁵	3.2160167711537E+36

Nth Root

^y√n

²√n	4474.3693410357
³√n	271.53212620393
⁴√n	66.890726868795
⁵√n	28.859761132952

Divisors of 20019981

1, 3, 6673327, 20019981

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	-20019980	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 20019981 can be divided by 4 positive divisors. The sum of these divisors (counting 20019981) is 1, the average is 0.25.

Base conversion 20019981

Base	System	Value
2	Binary	1001100010111101100001101
3	Ternary	1101200010020210
4	Quaternary	1030113230031
5	Quinary	20111114411
6	Senary	1553033033
8	Octal	114275415
10	Decimal	20019981
12	Duodecimal	6855779
16	Hexadecimal	1317b0d
20	Vigesimal	6529j1
36	Base36	bx3il

Cryptographic Hash Functions

md5	9ee7c79330754d1a59118b0a81e7e141
sha1	ae56e5433c0d00d8ff8410373bf91359836c6ab1
sha256	6a616f114b92876c5cb82a16fc2b1558b538829577eb6c100739ae0ed3675c6d
sha512	7f66ef6ab6a61d2d073bed202ba3d6ac819699dcfd3bd8b5bd7dcdac72987df9c83a352de0af780fd47287530782dbaa8a8db87581b8455be8d5514bf8b43bd6
ripemd-160	bf9c432cf36ef3f6afe124325b4edf88ab72d463

20019981 as geometric shapes

Circle

Radius = n

Diameter	40039962
Circumference	125789250.46921
Area	1.259149202199E+15

Sphere

Radius = n

Volume	3.3610857472251E+22
Surface area	5.0365968087958E+15
Circumference	125789250.46921

Square

Length = n

Perimeter	80079924
Area	400799639240361
Diagonal	28312528.648652

Cube

Length = n

Surface area	2404797835442166
Volume	8.0240011623989E+21
Space diagonal	34675624.258564

Equilateral Triangle

Length = n

Perimeter	60059943
Area	1.735513347049E+14
Altitude	17337812.129282

Triangular Pyramid

Length = n

Surface area	1.735513347049E+14
Volume	9.4563760569683E+20
Height	9437509.5495506