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

20188981 (number)

20188981 is an odd 8-digits prime number following 20188980 and preceding 20188982. In scientific notation, it is written as 2.0188981 × 10^7. The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors. There are 20188980 positive integers (up to 20188981) that are relatively prime to 20188981.

Interesting facts

20188981 has 2 divisors, whose sum is 20188982
The reverse of 20188981 is 18988102
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	2.0188981 × 10^7
Engineering notation	2.0188981 × 10^6

Prime Factorization of 20188981

Prime Factorization 20188981

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20188981	Product of the distinct prime numbers

The prime factorization of 20188981 is 20188981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 8, 94, 82, 524, 163, 8415, 2210, 38353, 59421, 309289, 820303, 7799108, 7848727, 1066919, 25231684, 777336833, 630875442, 3143149846, 457486840

Basic calculations (n = 20188981)

Multiplication

n×y

n×2	40377962
n×3	60566943
n×4	80755924
n×5	100944905

Division

n÷y

n÷2	10094490.5
n÷3	6729660.3333333
n÷3	5047245.25
n÷5	4037796.2

Exponentiation

n^y

n²	407594953818361
n³	8.2289267783348E+21
n⁴	1.6613364637819E+29
n⁵	3.35406903019E+36

Nth Root

^y√n

²√n	4493.2149959689
³√n	272.29403846033
⁴√n	67.031447813462
⁵√n	28.908321755819

Divisors of 20188981

1, 20188981

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20188982	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10094491	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4493.2151072478	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999009361	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20188981 can be divided by 2 positive divisors. The sum of these divisors (counting 20188981) is 20188982, the average is 10094491.

Base conversion 20188981

Base	System	Value
2	Binary	1001101000000111100110101
3	Ternary	1101222201002001
4	Quaternary	1031000330311
5	Quinary	20132021411
6	Senary	2000415301
8	Octal	115007465
10	Decimal	20188981
12	Duodecimal	6917531
16	Hexadecimal	1340f35
20	Vigesimal	663c91
36	Base36	c0px1

Cryptographic Hash Functions

md5	ba3f4356a07b1adf8c822b9f046783ba
sha1	4cc070202b0df7740b1895d79f3c4d6db1e62059
sha256	b2af71ac4a99222a6abd7c514962fed3559dfe262c24d438db0f79277ece6f0a
sha512	900bc3cf2207f9d1d25287f6ae5ff447b00ac5c2521b5707c149be429fd1a184b0aa8dd5bfa02ffd295ce6a14f0cd70d35dad540f74d776155b434930b8c7fb1
ripemd-160	2eadc50515f64fc4d6f6cec43bfd4bc33c1257c5

20188981 as geometric shapes

Circle

Radius = n

Diameter	40377962
Circumference	126851108.78613
Area	1.280497312556E+15

Sphere

Radius = n

Volume	3.4469247884993E+22
Surface area	5.1219892502241E+15
Circumference	126851108.78613

Square

Length = n

Perimeter	80755924
Area	407594953818361
Diagonal	28551530.740693

Cube

Length = n

Surface area	2445569722910166
Volume	8.2289267783348E+21
Space diagonal	34968340.845043

Equilateral Triangle

Length = n

Perimeter	60566943
Area	1.7649379223052E+14
Altitude	17484170.422521

Triangular Pyramid

Length = n

Surface area	1.7649379223052E+14
Volume	9.6978832114135E+20
Height	9517176.9135642