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

20187949 (number)

20187949 is an odd 8-digits composite number following 20187948 and preceding 20187950. In scientific notation, it is written as 2.0187949 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 19695520 positive integers (up to 20187949) that are relatively prime to 20187949.

Interesting facts

20187949 has 4 divisors, whose sum is 20680380
The reverse of 20187949 is 94978102
Previous prime number is 41

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	twenty million one hundred eighty-seven thousand nine hundred forty-nine

Notation

Scientific notation	2.0187949 × 10^7
Engineering notation	2.0187949 × 10^6

Prime Factorization of 20187949

Prime Factorization 41 × 492389

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20187949	Product of the distinct prime numbers

The prime factorization of 20187949 is 41 × 492389. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 72, 18, 702, 852, 7325, 9492, 85390, 13376, 453084, 876179, 3292974, 5562201, 93221375, 97109948, 224829577, 634110577, 6933389, 9110649092

Basic calculations (n = 20187949)

Multiplication

n×y

n×2	40375898
n×3	60563847
n×4	80751796
n×5	100939745

Division

n÷y

n÷2	10093974.5
n÷3	6729316.3333333
n÷3	5046987.25
n÷5	4037589.8

Exponentiation

n^y

n²	407553284826601
n³	8.2276649288619E+21
n⁴	1.6609967997295E+29
n⁵	3.3532118682103E+36

Nth Root

^y√n

²√n	4493.1001546816
³√n	272.28939876379
⁴√n	67.03059118553
⁵√n	28.90802620848

Divisors of 20187949

1, 41, 492389, 20187949

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	-20187948	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 20187949 can be divided by 4 positive divisors. The sum of these divisors (counting 20187949) is 1, the average is 0.25.

Base conversion 20187949

Base	System	Value
2	Binary	1001101000000101100101101
3	Ternary	1101222122122211
4	Quaternary	1031000230231
5	Quinary	20132003244
6	Senary	2000410421
8	Octal	115005455
10	Decimal	20187949
12	Duodecimal	6916a11
16	Hexadecimal	1340b2d
20	Vigesimal	6639h9
36	Base36	c0p4d

Cryptographic Hash Functions

md5	f59f7f89fbb1dbaa4879da50ac09cd8e
sha1	624f3b912e7835c4594a7bbc0cb8b26c49f841c0
sha256	763c7c4de3d117d2c1ce97f0d8dceb33d003a23ef0ac534bfaa4c4401a57c043
sha512	3ef770db5342c2f7cd3f98ae46a007d97b6716670a50f9a911d10ecfb5cbe59d5415fb7724c1801807d283e19a53d013663f744860b9636d1924fa8702d300f6
ripemd-160	482ebcbd36321ce0dc4496234066195d89dd5903

20187949 as geometric shapes

Circle

Radius = n

Diameter	40375898
Circumference	126844624.53889
Area	1.2803664055576E+15

Sphere

Radius = n

Volume	3.4463962262281E+22
Surface area	5.1214656222306E+15
Circumference	126844624.53889

Square

Length = n

Perimeter	80751796
Area	407553284826601
Diagonal	28550071.272296

Cube

Length = n

Surface area	2445319708959606
Volume	8.2276649288619E+21
Space diagonal	34966553.368609

Equilateral Triangle

Length = n

Perimeter	60563847
Area	1.7647574902782E+14
Altitude	17483276.684305

Triangular Pyramid

Length = n

Surface area	1.7647574902782E+14
Volume	9.6963961075483E+20
Height	9516690.4240988