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

20189991 (number)

20189991 is an odd 8-digits composite number following 20189990 and preceding 20189992. In scientific notation, it is written as 2.0189991 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 13447800 positive integers (up to 20189991) that are relatively prime to 20189991.

Interesting facts

20189991 has 8 divisors, whose sum is 26944384
The reverse of 20189991 is 19998102
Previous prime number is 1447

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

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

Notation

Scientific notation	2.0189991 × 10^7
Engineering notation	2.0189991 × 10^6

Prime Factorization of 20189991

Prime Factorization 3 × 1447 × 4651

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20189991	Product of the distinct prime numbers

The prime factorization of 20189991 is 3 × 1447 × 4651. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 1, 30, 80, 539, 17, 2141, 5332, 50337, 32923, 573037, 195180, 841370, 1787538, 99666562, 64436654, 265502236, 696525172, 6999643745, 7895251386

Basic calculations (n = 20189991)

Multiplication

n×y

n×2	40379982
n×3	60569973
n×4	80759964
n×5	100949955

Division

n÷y

n÷2	10094995.5
n÷3	6729997
n÷3	5047497.75
n÷5	4037998.2

Exponentiation

n^y

n²	407635736580081
n³	8.2301618528302E+21
n⁴	1.6616689373719E+29
n⁵	3.3549080890517E+36

Nth Root

^y√n

²√n	4493.3273862473
³√n	272.29857909552
⁴√n	67.032286148149
⁵√n	28.908610991028

Divisors of 20189991

1, 3, 1447, 4341, 4651, 13953, 6729997, 20189991

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	-20189990	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 20189991 can be divided by 8 positive divisors. The sum of these divisors (counting 20189991) is 1, the average is 0.125.

Base conversion 20189991

Base	System	Value
2	Binary	1001101000001001100100111
3	Ternary	1101222202110110
4	Quaternary	1031001030213
5	Quinary	20132034431
6	Senary	2000424103
8	Octal	115011447
10	Decimal	20189991
12	Duodecimal	6918033
16	Hexadecimal	1341327
20	Vigesimal	663ejb
36	Base36	c0qp3

Cryptographic Hash Functions

md5	2a105b0863511dfba4e9fc35d9553265
sha1	4aa8f35c2eb2894510d24f7cdf3d455a1d1226b9
sha256	96da282413c755e851ecd22c89f475b01f29904b5daeeb74f1250d612aff9ff7
sha512	483c88d8b3e26207005b4045027e6e2472761ff32e8fc8158fdd4a115c2176a272f8a9c75659fc81e41254d305f8eb55f8657c576dea47876bd05d635b75bb28
ripemd-160	745c9a21dc31caf6a8c1dcfb34aa864e1930b896

20189991 as geometric shapes

Circle

Radius = n

Diameter	40379982
Circumference	126857454.80329
Area	1.2806254353806E+15

Sphere

Radius = n

Volume	3.4474421352942E+22
Surface area	5.1225017415226E+15
Circumference	126857454.80329

Square

Length = n

Perimeter	80759964
Area	407635736580081
Diagonal	28552959.096391

Cube

Length = n

Surface area	2445814419480486
Volume	8.2301618528302E+21
Space diagonal	34970090.216358

Equilateral Triangle

Length = n

Perimeter	60569973
Area	1.7651145168437E+14
Altitude	17485045.108179

Triangular Pyramid

Length = n

Surface area	1.7651145168437E+14
Volume	9.6993387606651E+20
Height	9517653.0321302