Math question: If a number is formed by arranging the digits of 1398 in descending order, what is the sum of all the digits?

To find the sum of all the digits, we arrange the digits of 1398 in descending order which gives us 9831. The sum of these digits is 9 + 8 + 3 + 1 = 21.

Question: What is the sum of all the prime factors of the number 1398?

To find the prime factors of 1398, we factorize it as 2 * 3 * 233. Therefore, the prime factors are 2, 3, and 233. The sum of these primes is 2 + 3 + 233 = 238.

Question: What is the sum of the hundreds, tens, and units digits of the number obtained by multiplying 1398 by 3?

To find the resulting number, we multiply 1398 by 3: 1398 x 3 = 4194. The sum of the hundreds (4), tens (1), and units (9) digits is 4 + 1 + 9 = 14. Hence, the answer is 14.

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

1398 (number)

1398 is an even 4-digits composite number following 1397 and preceding 1399. In scientific notation, it is written as 1.398 × 10^3. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 464 positive integers (up to 1398) that are relatively prime to 1398.

Interesting facts

1398 has 8 divisors, whose sum is 2808
The reverse of 1398 is 8931
Previous prime number is 3

Basic properties

Is Prime? no
Number parity even
Number length 4
Sum of Digits 21
Digital Root 3

Name

Name	one thousand three hundred ninety-eight

Notation

Scientific notation	1.398 × 10^3
Engineering notation	1.398 × 10^3

Prime Factorization of 1398

Prime Factorization 2 × 3 × 233

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	1398	Product of the distinct prime numbers

The prime factorization of 1398 is 2 × 3 × 233. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 8, 65, 2, 11, 552, 5127, 9655, 33265, 12970, 919089, 958750, 2494908, 948073, 54003019, 8448646, 5408783, 569241294, 9469947487, 2488757068

Basic calculations (n = 1398)

Multiplication

n×y

n×2	2796
n×3	4194
n×4	5592
n×5	6990

Division

n÷y

n÷2	699
n÷3	466
n÷3	349.5
n÷5	279.6

Exponentiation

n^y

n²	1954404
n³	2732256792
n⁴	3819694995216
n⁵	5339933603311968

Nth Root

^y√n

²√n	37.38983819168
³√n	11.181559791889
⁴√n	6.1147230674561
⁵√n	4.2569782796185

Divisors of 1398

1, 2, 3, 6, 233, 466, 699, 1398

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-1397	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1398 can be divided by 8 positive divisors. The sum of these divisors (counting 1398) is 1, the average is 0.125.

Base conversion 1398

Base	System	Value
2	Binary	10101110110
3	Ternary	1220210
4	Quaternary	111312
5	Quinary	21043
6	Senary	10250
8	Octal	2566
10	Decimal	1398
12	Duodecimal	986
16	Hexadecimal	576
20	Vigesimal	39i
36	Base36	12u

Cryptographic Hash Functions

md5	d9731321ef4e063ebbee79298fa36f56
sha1	ee02c29275e85aedd7d971820672ce0454733b81
sha256	b41f1aff4d998f2ee49db0454b48ed69cb5c0e499e9bd1608b5d2c0b4f6cccfe
sha512	0627fea4d3122856cc3d4c0e1cf027ed17787d1efde377ddbce32b17d276f4d537b6264aab9b028a0a882a6923e2bd49d7946663f08dce843c9de777e159dc13
ripemd-160	b622ca7a22777b3f1cd589851d401a2dd548d81d

1398 as geometric shapes

Circle

Radius = n

Diameter	2796
Circumference	8783.8930594371
Area	6139941.2485465

Sphere

Radius = n

Volume	11444850487.291
Surface area	24559764.994186
Circumference	8783.8930594371

Square

Length = n

Perimeter	5592
Area	1954404
Diagonal	1977.0705601976

Cube

Length = n

Surface area	11726424
Volume	2732256792
Space diagonal	2421.4070289813

Equilateral Triangle

Length = n

Perimeter	4194
Area	846281.75662896
Altitude	1210.7035144906

Triangular Pyramid

Length = n

Surface area	846281.75662896
Volume	321999550.9277
Height	659.02352006586