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

19991489 (number)

19991489 is an odd 8-digits composite number following 19991488 and preceding 19991490. In scientific notation, it is written as 1.9991489 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 17135556 positive integers (up to 19991489) that are relatively prime to 19991489.

Interesting facts

19991489 has 4 divisors, whose sum is 22847424
The reverse of 19991489 is 98419991
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5

Name

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

Notation

Scientific notation	1.9991489 × 10^7
Engineering notation	1.9991489 × 10^6

Prime Factorization of 19991489

Prime Factorization 7 × 2855927

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	19991489	Product of the distinct prime numbers

The prime factorization of 19991489 is 7 × 2855927. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 3, 31, 26, 486, 160, 7084, 4370, 32685, 29097, 272580, 741296, 3530990, 4675285, 73069436, 40540742, 76435768, 352582725, 8612837233, 8074017276

Basic calculations (n = 19991489)

Multiplication

n×y

n×2	39982978
n×3	59974467
n×4	79965956
n×5	99957445

Division

n÷y

n÷2	9995744.5
n÷3	6663829.6666667
n÷3	4997872.25
n÷5	3998297.8

Exponentiation

n^y

n²	399659632437121
n³	7.9897911456107E+21
n⁴	1.5972782179977E+29
n⁵	3.1931969925042E+36

Nth Root

^y√n

²√n	4471.1842950163
³√n	271.40325218251
⁴√n	66.86691480109
⁵√n	28.851541936238

Divisors of 19991489

1, 7, 2855927, 19991489

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	-19991488	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 19991489 can be divided by 4 positive divisors. The sum of these divisors (counting 19991489) is 1, the average is 0.25.

Base conversion 19991489

Base	System	Value
2	Binary	1001100010000101111000001
3	Ternary	1101121200011112
4	Quaternary	1030100233001
5	Quinary	20104211424
6	Senary	1552253105
8	Octal	114205701
10	Decimal	19991489
12	Duodecimal	6841195
16	Hexadecimal	1310bc1
20	Vigesimal	64iie9
36	Base36	bwhj5

Cryptographic Hash Functions

md5	c04477d186d431e62b802997c4fc55ce
sha1	2eb9af42760dbeb6d3f7564f21f15bc32990e5a7
sha256	15c01a76596f7601b2c5391136ea422a52c8ec89f83a0235ad3b5eeaf909289d
sha512	8bb70f02e2e5427e9cece9f55992ffaa768c421b7ff13417014efa18b3767d24ffbee32299bba156f380ef64cb5acd07a9313e8d62018d6b2338e079732ef57c
ripemd-160	3fb9c055f34976d35f90310afce25367eadd6bf8

19991489 as geometric shapes

Circle

Radius = n

Diameter	39982978
Circumference	125610229.95344
Area	1.2555677652009E+15

Sphere

Radius = n

Volume	3.3467558889023E+22
Surface area	5.0222710608034E+15
Circumference	125610229.95344

Square

Length = n

Perimeter	79965956
Area	399659632437121
Diagonal	28272234.875833

Cube

Length = n

Surface area	2397957794622726
Volume	7.9897911456107E+21
Space diagonal	34626274.666954

Equilateral Triangle

Length = n

Perimeter	59974467
Area	1.7305769727885E+14
Altitude	17313137.333477

Triangular Pyramid

Length = n

Surface area	1.7305769727885E+14
Volume	9.4160591655427E+20
Height	9424078.2919442