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

19909991 (number)

19909991 is an odd 8-digits composite number following 19909990 and preceding 19909992. In scientific notation, it is written as 1.9909991 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 19798584 positive integers (up to 19909991) that are relatively prime to 19909991.

Interesting facts

19909991 has 4 divisors, whose sum is 20021400
The reverse of 19909991 is 19990991
Previous prime number is 179

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2

Name

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

Notation

Scientific notation	1.9909991 × 10^7
Engineering notation	1.9909991 × 10^6

Prime Factorization of 19909991

Prime Factorization 179 × 111229

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	19909991	Product of the distinct prime numbers

The prime factorization of 19909991 is 179 × 111229. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 3, 56, 71, 486, 962, 4932, 3367, 52032, 7648, 551624, 317891, 5662084, 7358026, 30313346, 62923304, 783863173, 672232791, 2570951084, 4195469595

Basic calculations (n = 19909991)

Multiplication

n×y

n×2	39819982
n×3	59729973
n×4	79639964
n×5	99549955

Division

n÷y

n÷2	9954995.5
n÷3	6636663.6666667
n÷3	4977497.75
n÷5	3981998.2

Exponentiation

n^y

n²	396407741620081
n³	7.8924745679861E+21
n⁴	1.5713909761633E+29
n⁵	3.1286380192893E+36

Nth Root

^y√n

²√n	4462.0612949622
³√n	271.0339459027
⁴√n	66.798662374049
⁵√n	28.827980043508

Divisors of 19909991

1, 179, 111229, 19909991

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	-19909990	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 19909991 can be divided by 4 positive divisors. The sum of these divisors (counting 19909991) is 1, the average is 0.25.

Base conversion 19909991

Base	System	Value
2	Binary	1001011111100110101100111
3	Ternary	1101110112101002
4	Quaternary	1023330311213
5	Quinary	20044104431
6	Senary	1550423515
8	Octal	113746547
10	Decimal	19909991
12	Duodecimal	6801b9b
16	Hexadecimal	12fcd67
20	Vigesimal	648ejb
36	Base36	buqnb

Cryptographic Hash Functions

md5	c612520b0044fe97677ef4db628d89d3
sha1	e9718ca950d583cfa4b8f34ac96abc61871fd02e
sha256	c8323057e729f6257c1935451ff3462910d76c4e6ea203d92b2f7adf0a8762dc
sha512	ef54a3465b48f8eef0f7911073b11edaa6fac560708d1371df5fb4f854d9e1b697418df9bde25dfe0b7d31fb8e4bb3ddf09ff85366536493837a39532b67eb79
ripemd-160	8614f84c99fc0e8b67e10de0bd8ccac75b611559

19909991 as geometric shapes

Circle

Radius = n

Diameter	39819982
Circumference	125098162.91728
Area	1.2453516488998E+15

Sphere

Radius = n

Volume	3.3059920161906E+22
Surface area	4.9814065955991E+15
Circumference	125098162.91728

Square

Length = n

Perimeter	79639964
Area	396407741620081
Diagonal	28156979.298926

Cube

Length = n

Surface area	2378446449720486
Volume	7.8924745679861E+21
Space diagonal	34485115.990239

Equilateral Triangle

Length = n

Perimeter	59729973
Area	1.716495872499E+14
Altitude	17242557.99512

Triangular Pyramid

Length = n

Surface area	1.716495872499E+14
Volume	9.3013704789423E+20
Height	9385659.7663088