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

20190991 (number)

20190991 is an odd 8-digits composite number following 20190990 and preceding 20190992. In scientific notation, it is written as 2.0190991 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 20180584 positive integers (up to 20190991) that are relatively prime to 20190991.

Interesting facts

20190991 has 4 divisors, whose sum is 20201400
The reverse of 20190991 is 19909102
Previous prime number is 2579

Basic properties

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

Name

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

Notation

Scientific notation	2.0190991 × 10^7
Engineering notation	2.0190991 × 10^6

Prime Factorization of 20190991

Prime Factorization 2579 × 7829

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20190991	Product of the distinct prime numbers

The prime factorization of 20190991 is 2579 × 7829. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 9, 5, 80, 240, 988, 7306, 4422, 71793, 34771, 463055, 396344, 1204011, 643680, 24737211, 85404346, 940649778, 628565914, 3041142166, 9201035513

Basic calculations (n = 20190991)

Multiplication

n×y

n×2	40381982
n×3	60572973
n×4	80763964
n×5	100954955

Division

n÷y

n÷2	10095495.5
n÷3	6730330.3333333
n÷3	5047747.75
n÷5	4038198.2

Exponentiation

n^y

n²	407676117562081
n³	8.2313848206109E+21
n⁴	1.6619981683049E+29
n⁵	3.3557390058261E+36

Nth Root

^y√n

²√n	4493.4386609811
³√n	272.30307462474
⁴√n	67.033116151505
⁵√n	28.908897351119

Divisors of 20190991

1, 2579, 7829, 20190991

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	-20190990	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 20190991 can be divided by 4 positive divisors. The sum of these divisors (counting 20190991) is 1, the average is 0.25.

Base conversion 20190991

Base	System	Value
2	Binary	1001101000001011100001111
3	Ternary	1101222210211111
4	Quaternary	1031001130033
5	Quinary	20132102431
6	Senary	2000432451
8	Octal	115013417
10	Decimal	20190991
12	Duodecimal	6918727
16	Hexadecimal	134170f
20	Vigesimal	663h9b
36	Base36	c0rgv

Cryptographic Hash Functions

md5	c77d439501deb927ad9fa5c12dc13ccf
sha1	f7f27dc7c6bff5cc3ec68ee026b1336fb8d87a9d
sha256	eb1b474fe4625e98223ae6b9e3b0623005b5ccfe99753c6a3f1e3f89c885210d
sha512	fc96d61db93988e96924261c4b352fb076760668e52e5b7e8d80cac2fa105236c11121cf08594c7471f6b6d452aba3f971cfca221132ae6e4d68e976745829e2
ripemd-160	7b8914ccae4856d3de131e292f160d649b2fdbaf

20190991 as geometric shapes

Circle

Radius = n

Diameter	40381982
Circumference	126863737.9886
Area	1.280752295977E+15

Sphere

Radius = n

Volume	3.4479544108402E+22
Surface area	5.1230091839082E+15
Circumference	126863737.9886

Square

Length = n

Perimeter	80763964
Area	407676117562081
Diagonal	28554373.309953

Cube

Length = n

Surface area	2446056705372486
Volume	8.2313848206109E+21
Space diagonal	34971822.267166

Equilateral Triangle

Length = n

Perimeter	60572973
Area	1.7652893716249E+14
Altitude	17485911.133583

Triangular Pyramid

Length = n

Surface area	1.7652893716249E+14
Volume	9.7007800420167E+20
Height	9518124.436651