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

19991408 (number)

19991408 is an even 8-digits composite number following 19991407 and preceding 19991409. In scientific notation, it is written as 1.9991408 × 10^7. The sum of its digits is 41. It has a total of 6 prime factors and 20 positive divisors. There are 9831360 positive integers (up to 19991408) that are relatively prime to 19991408.

Interesting facts

19991408 has 20 divisors, whose sum is 39370248
The reverse of 19991408 is 80419991
Previous prime number is 61

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5

Name

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

Notation

Scientific notation	1.9991408 × 10^7
Engineering notation	1.9991408 × 10^6

Prime Factorization of 19991408

Prime Factorization 2 × 2 × 2 × 2 × 61 × 20483

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	6	Total number of prime factors
rad	Radical	2498926	Product of the distinct prime numbers

The prime factorization of 19991408 is 2 × 2 × 2 × 2 × 61 × 20483. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 7, 80, 14, 816, 986, 8652, 9312, 77649, 79180, 55279, 860269, 7453428, 4404044, 64512870, 45566108, 483341414, 349834159, 7330027528, 4759127982

Basic calculations (n = 19991408)

Multiplication

n×y

n×2	39982816
n×3	59974224
n×4	79965632
n×5	99957040

Division

n÷y

n÷2	9995704
n÷3	6663802.6666667
n÷3	4997852
n÷5	3998281.6

Exponentiation

n^y

n²	399656393822464
n³	7.9896940287136E+21
n⁴	1.5972523312318E+29
n⁵	3.1931323032605E+36

Nth Root

^y√n

²√n	4471.1752370042
³√n	271.40288563164
⁴√n	66.866847069413
⁵√n	28.851518556501

Divisors of 19991408

1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 20483, 40966, 81932, 163864, 327728, 1249463, 2498926, 4997852, 9995704, 19991408

20 divisors

τ	Total Divisors	20	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-19991407	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.05	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	20	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19991408 can be divided by 20 positive divisors. The sum of these divisors (counting 19991408) is 1, the average is 0.05.

Base conversion 19991408

Base	System	Value
2	Binary	1001100010000101101110000
3	Ternary	1101121200001112
4	Quaternary	1030100231300
5	Quinary	20104211113
6	Senary	1552252452
8	Octal	114205560
10	Decimal	19991408
12	Duodecimal	6841128
16	Hexadecimal	1310b70
20	Vigesimal	64iia8
36	Base36	bwhgw

Cryptographic Hash Functions

md5	c62c7f1fab1275515dc28b4c629f1db4
sha1	91cfcf7cbaea2efaaaed1c0e04ac36a4f16df8a2
sha256	7bebd8321b61171c3d68b35cdbb8ac6acead4f077a8d9ea63ad0542da14e512a
sha512	43f49b70637271f51c1a3397825efa9756919b0aa5286e517443f453799bbe6df3d9687347b560a26e366ff640b156fc570dbe2b62cba21155b9ce29cd626061
ripemd-160	1f2e40cd75d3558ca11a209bf16ad8ab256f625f

19991408 as geometric shapes

Circle

Radius = n

Diameter	39982816
Circumference	125609721.01543
Area	1.2555575907928E+15

Sphere

Radius = n

Volume	3.3467152086716E+22
Surface area	5.0222303631714E+15
Circumference	125609721.01543

Square

Length = n

Perimeter	79965632
Area	399656393822464
Diagonal	28272120.324534

Cube

Length = n

Surface area	2397938362934784
Volume	7.9896940287136E+21
Space diagonal	34626134.370839

Equilateral Triangle

Length = n

Perimeter	59974224
Area	1.7305629491757E+14
Altitude	17313067.185419

Triangular Pyramid

Length = n

Surface area	1.7305629491757E+14
Volume	9.4159447121817E+20
Height	9424040.108178