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

20187938 (number)

20187938 is an even 8-digits composite number following 20187937 and preceding 20187939. In scientific notation, it is written as 2.0187938 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 10071040 positive integers (up to 20187938) that are relatively prime to 20187938.

Interesting facts

20187938 has 8 divisors, whose sum is 30350700
The reverse of 20187938 is 83978102
Previous prime number is 449

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	2.0187938 × 10^7
Engineering notation	2.0187938 × 10^6

Prime Factorization of 20187938

Prime Factorization 2 × 449 × 22481

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20187938	Product of the distinct prime numbers

The prime factorization of 20187938 is 2 × 449 × 22481. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 4, 20, 30, 455, 114, 5625, 1641, 99684, 33364, 977611, 137249, 6165886, 9699179, 25161865, 10357103, 795203023, 926015404, 12820476, 1427373006

Basic calculations (n = 20187938)

Multiplication

n×y

n×2	40375876
n×3	60563814
n×4	80751752
n×5	100939690

Division

n÷y

n÷2	10093969
n÷3	6729312.6666667
n÷3	5046984.5
n÷5	4037587.6

Exponentiation

n^y

n²	407552840691844
n³	8.2276514796108E+21
n⁴	1.6609931795599E+29
n⁵	3.3532027327378E+36

Nth Root

^y√n

²√n	4493.0989305823
³√n	272.28934930881
⁴√n	67.030582054629
⁵√n	28.908023058201

Divisors of 20187938

1, 2, 449, 898, 22481, 44962, 10093969, 20187938

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	-20187937	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 20187938 can be divided by 8 positive divisors. The sum of these divisors (counting 20187938) is 1, the average is 0.125.

Base conversion 20187938

Base	System	Value
2	Binary	1001101000000101100100010
3	Ternary	1101222122122102
4	Quaternary	1031000230202
5	Quinary	20132003223
6	Senary	2000410402
8	Octal	115005442
10	Decimal	20187938
12	Duodecimal	6916a02
16	Hexadecimal	1340b22
20	Vigesimal	6639gi
36	Base36	c0p42

Cryptographic Hash Functions

md5	25b82b936fd71085e35690b000e2b628
sha1	cd04577d373b861a8097a98553ebbd639dc0d739
sha256	67447ca79da0b316edba59957279495f5ee15384ee567ce158046f2f53c0b585
sha512	75b3f39d50c86fe3493814eb45a93b5ef3f95487b4022f99a575604532e39c8d16e59988c414eaf09809e8372540b7bcbd72f54d7be98dc74da61bff38a07305
ripemd-160	adfd2fd71a6d7c82a08e0bacb1d084943107f230

20187938 as geometric shapes

Circle

Radius = n

Diameter	40375876
Circumference	126844555.42385
Area	1.2803650102671E+15

Sphere

Radius = n

Volume	3.446390592619E+22
Surface area	5.1214600410686E+15
Circumference	126844555.42385

Square

Length = n

Perimeter	80751752
Area	407552840691844
Diagonal	28550055.715947

Cube

Length = n

Surface area	2445317044151064
Volume	8.2276514796108E+21
Space diagonal	34966534.31605

Equilateral Triangle

Length = n

Perimeter	60563814
Area	1.7647555671182E+14
Altitude	17483267.158025

Triangular Pyramid

Length = n

Surface area	1.7647555671182E+14
Volume	9.6963802574539E+20
Height	9516685.2386491