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

20991109 (number)

20991109 is an odd 8-digits composite number following 20991108 and preceding 20991110. In scientific notation, it is written as 2.0991109 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 20964960 positive integers (up to 20991109) that are relatively prime to 20991109.

Interesting facts

20991109 has 4 divisors, whose sum is 21017260
The reverse of 20991109 is 90119902
Previous prime number is 829

Basic properties

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

Name

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

Notation

Scientific notation	2.0991109 × 10^7
Engineering notation	2.0991109 × 10^6

Prime Factorization of 20991109

Prime Factorization 829 × 25321

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20991109	Product of the distinct prime numbers

The prime factorization of 20991109 is 829 × 25321. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 6, 5, 37, 287, 404, 5303, 4654, 42548, 68644, 101286, 965247, 5830903, 9815359, 79913354, 82186094, 754391728, 379837410, 4012469440, 4574741706

Basic calculations (n = 20991109)

Multiplication

n×y

n×2	41982218
n×3	62973327
n×4	83964436
n×5	104955545

Division

n÷y

n÷2	10495554.5
n÷3	6997036.3333333
n÷3	5247777.25
n÷5	4198221.8

Exponentiation

n^y

n²	440626657049881
n³	9.2492421864397E+21
n⁴	1.9415185090295E+29
n⁵	4.0754626648556E+36

Nth Root

^y√n

²√n	4581.6055046239
³√n	275.85347627707
⁴√n	67.687557975036
⁵√n	29.134466963206

Divisors of 20991109

1, 829, 25321, 20991109

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	-20991108	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 20991109 can be divided by 4 positive divisors. The sum of these divisors (counting 20991109) is 1, the average is 0.25.

Base conversion 20991109

Base	System	Value
2	Binary	1010000000100110010000101
3	Ternary	1110111110101111
4	Quaternary	1100010302011
5	Quinary	20333203414
6	Senary	2025525021
8	Octal	120046205
10	Decimal	20991109
12	Duodecimal	7043771
16	Hexadecimal	1404c85
20	Vigesimal	6b3hf9
36	Base36	chwud

Cryptographic Hash Functions

md5	5dc07013ea244980f051cce94ee6672c
sha1	985dfce22cd99cc3a4982a8558ef9d1c1155611d
sha256	bd0e838a779217c7eb3d94b779c829ce0fe222c87f0fa1213e20ee65e615f76a
sha512	d1d37e7f7041e37418a4f8ba84e5d84ee153b30d2c0efdfc3e0dab5d3765b5301da665ac92f01a8c41c95e5c5db4b4d6148c6a397c131d0a07e11a3640186fc5
ripemd-160	a1b86099292260a06ed71fe4d22c8f13820040d6

20991109 as geometric shapes

Circle

Radius = n

Diameter	41982218
Circumference	131891027.65021
Area	1.3842694687637E+15

Sphere

Radius = n

Volume	3.8743135072256E+22
Surface area	5.5370778750549E+15
Circumference	131891027.65021

Square

Length = n

Perimeter	83964436
Area	440626657049881
Diagonal	29685911.037052

Cube

Length = n

Surface area	2643759942299286
Volume	9.2492421864397E+21
Space diagonal	36357667.295216

Equilateral Triangle

Length = n

Perimeter	62973327
Area	1.9079693929491E+14
Altitude	18178833.647608

Triangular Pyramid

Length = n

Surface area	1.9079693929491E+14
Volume	1.0900336451447E+21
Height	9895303.6790173