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

1991408 (number)

1991408 is an even 7-digits composite number following 1991407 and preceding 1991409. In scientific notation, it is written as 1.991408 × 10^6. The sum of its digits is 32. It has a total of 6 prime factors and 20 positive divisors. There are 981120 positive integers (up to 1991408) that are relatively prime to 1991408.

Interesting facts

1991408 has 20 divisors, whose sum is 3914928
The reverse of 1991408 is 8041991
Previous prime number is 71

Basic properties

Is Prime? no
Number parity even
Number length 7
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	1.991408 × 10^6
Engineering notation	1.991408 × 10^6

Prime Factorization of 1991408

Prime Factorization 2 × 2 × 2 × 2 × 71 × 1753

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	6	Total number of prime factors
rad	Radical	248926	Product of the distinct prime numbers

The prime factorization of 1991408 is 2 × 2 × 2 × 2 × 71 × 1753. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 3, 39, 72, 310, 154, 2603, 3244, 78634, 11711, 440360, 959569, 6345578, 4497564, 89495985, 591202, 402383600, 115982539, 3300302031, 7056288814

Basic calculations (n = 1991408)

Multiplication

n×y

n×2	3982816
n×3	5974224
n×4	7965632
n×5	9957040

Division

n÷y

n÷2	995704
n÷3	663802.66666667
n÷3	497852
n÷5	398281.6

Exponentiation

n^y

n²	3965705822464
n³	7897338300501389312
n⁴	1.5726822670325E+25
n⁵	3.1318520480266E+31

Nth Root

^y√n

²√n	1411.1725620915
³√n	125.81142531431
⁴√n	37.565576823623
⁵√n	18.189972793427

Divisors of 1991408

1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1753, 3506, 7012, 14024, 28048, 124463, 248926, 497852, 995704, 1991408

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	-1991407	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 1991408 can be divided by 20 positive divisors. The sum of these divisors (counting 1991408) is 1, the average is 0.05.

Base conversion 1991408

Base	System	Value
2	Binary	111100110001011110000
3	Ternary	10202011200212
4	Quaternary	13212023300
5	Quinary	1002211113
6	Senary	110403252
8	Octal	7461360
10	Decimal	1991408
12	Duodecimal	800528
16	Hexadecimal	1e62f0
20	Vigesimal	c8ia8
36	Base36	16okw

Cryptographic Hash Functions

md5	3981e8b47d44c9588d25673416a30e00
sha1	1054481eee69111e4608b2b95e6a70782c2fd890
sha256	60d7523d5b25e29c3a573ccf3cff35c3d37c9b2d7f328bf316594ea9eccf1f59
sha512	c5745d826b49c40a1bb9610db90c27762a25636d2edb5c5f41a31220a1aaebe51ca578080d129cb97a3ea06ccadadfe04f8e47d0bc27731dfad8451aa0562042
ripemd-160	a868c85a8f566e0da21ff17a2cdb9d3e729d998d

1991408 as geometric shapes

Circle

Radius = n

Diameter	3982816
Circumference	12512385.4862
Area	12458632278151

Sphere

Radius = n

Volume	3.3080293317025E+19
Surface area	49834529112605
Circumference	12512385.4862

Square

Length = n

Perimeter	7965632
Area	3965705822464
Diagonal	2816276.2018183

Cube

Length = n

Surface area	23794234934784
Volume	7897338300501389312
Space diagonal	3449219.8345991

Equilateral Triangle

Length = n

Perimeter	5974224
Area	1717200993094.8
Altitude	1724609.9172996

Triangular Pyramid

Length = n

Surface area	1717200993094.8
Volume	9.3071024426813E+17
Height	938758.73393943