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

20188921 (number)

20188921 is an odd 8-digits composite number following 20188920 and preceding 20188922. In scientific notation, it is written as 2.0188921 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 19782000 positive integers (up to 20188921) that are relatively prime to 20188921.

Interesting facts

20188921 has 8 divisors, whose sum is 20599488
The reverse of 20188921 is 12988102
Previous prime number is 181

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

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

Notation

Scientific notation	2.0188921 × 10^7
Engineering notation	2.0188921 × 10^6

Prime Factorization of 20188921

Prime Factorization 71 × 181 × 1571

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20188921	Product of the distinct prime numbers

The prime factorization of 20188921 is 71 × 181 × 1571. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 15, 11, 38, 592, 2650, 5928, 59669, 23072, 937037, 835728, 8070965, 2078496, 34835582, 33845468, 960300573, 476443133, 3589101641, 7359456233

Basic calculations (n = 20188921)

Multiplication

n×y

n×2	40377842
n×3	60566763
n×4	80755684
n×5	100944605

Division

n÷y

n÷2	10094460.5
n÷3	6729640.3333333
n÷3	5047230.25
n÷5	4037784.2

Exponentiation

n^y

n²	407592531144241
n³	8.2288534114611E+21
n⁴	1.6613167144457E+29
n⁵	3.3540191903924E+36

Nth Root

^y√n

²√n	4493.2083192303
³√n	272.29376871486
⁴√n	67.031398010412
⁵√n	28.908304573165

Divisors of 20188921

1, 71, 181, 1571, 12851, 111541, 284351, 20188921

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	-20188920	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 20188921 can be divided by 8 positive divisors. The sum of these divisors (counting 20188921) is 1, the average is 0.125.

Base conversion 20188921

Base	System	Value
2	Binary	1001101000000111011111001
3	Ternary	1101222200222211
4	Quaternary	1031000323321
5	Quinary	20132021141
6	Senary	2000415121
8	Octal	115007371
10	Decimal	20188921
12	Duodecimal	69174a1
16	Hexadecimal	1340ef9
20	Vigesimal	663c61
36	Base36	c0pvd

Cryptographic Hash Functions

md5	4c983b4b1b05b2854befac5ccb8e2858
sha1	99071ecde9057abbb1fe82d4cf5fba98be21ae0f
sha256	72dc21e394f5d6b55c290a87fa4777e09794d16a7561eecfc4c42f66e501e966
sha512	bce3043a1cc41787effade0472359400f7cc71c071ddff81cbdb31a0fae4ccd0451d0f0dbc663779af336d8d83e98faa1a8cfb7d554df0d21d8d1d3d0d699646
ripemd-160	e7f2d97d0844bb3462c8f9201fff0680481797e3

20188921 as geometric shapes

Circle

Radius = n

Diameter	40377842
Circumference	126850731.79501
Area	1.2804897015008E+15

Sphere

Radius = n

Volume	3.4468940566551E+22
Surface area	5.1219588060033E+15
Circumference	126850731.79501

Square

Length = n

Perimeter	80755684
Area	407592531144241
Diagonal	28551445.887879

Cube

Length = n

Surface area	2445555186865446
Volume	8.2288534114611E+21
Space diagonal	34968236.921994

Equilateral Triangle

Length = n

Perimeter	60566763
Area	1.7649274318186E+14
Altitude	17484118.460997

Triangular Pyramid

Length = n

Surface area	1.7649274318186E+14
Volume	9.6977967477237E+20
Height	9517148.629293