Math question: What is the sum of the prime digits in the number 6985?

The number 6985 consists of the digits 6, 9, 8, and 5. The prime digits in this number are 5 and 8. To find their sum, we add 5 and 8, which equals 13. Therefore, the sum of the prime digits in 6985 is 13.

Math Question: If the number 6985 is multiplied by 7 and then divided by 43, what is the quotient?

To find the quotient, we multiply 6985 by 7 (48895) and then divide it by 43. Dividing 48895 by 43 gives us a quotient of 1139.651 (rounded to three decimal places).

Math question: What is the sum of the digits in the number 6985, when each digit is multiplied by its place value and then added together?

To find the sum of the digits, we multiply each digit by its place value and add them together. In the number 6985, the digit 6 is in the thousands place (6 x 1000 = 6000), the digit 9 is in the hundreds place (9 x 100 = 900), the digit 8 is in the tens place (8 x 10 = 80), and the digit 5 is in the ones place (5 x 1 = 5). Adding these products, we have 6000 + 900 + 80 + 5 = 6985. Hence, the sum of the digits in the number 6985 is 6985.

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

6985 (number)

6985 is an odd 4-digits composite number following 6984 and preceding 6986. In scientific notation, it is written as 6.985 × 10^3. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 5040 positive integers (up to 6985) that are relatively prime to 6985.

Interesting facts

6985 has 8 divisors, whose sum is 9216
The reverse of 6985 is 5896
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 4
Sum of Digits 28
Digital Root 1

Name

Name	six thousand nine hundred eighty-five

Notation

Scientific notation	6.985 × 10^3
Engineering notation	6.985 × 10^3

Prime Factorization of 6985

Prime Factorization 5 × 11 × 127

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	6985	Product of the distinct prime numbers

The prime factorization of 6985 is 5 × 11 × 127. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 2, 3, 74, 715, 930, 8554, 6521, 36197, 29795, 114245, 898830, 9420206, 576329, 24203883, 92065187, 60370270, 431344296, 6359651882, 1908767911

Basic calculations (n = 6985)

Multiplication

n×y

n×2	13970
n×3	20955
n×4	27940
n×5	34925

Division

n÷y

n÷2	3492.5
n÷3	2328.3333333333
n÷3	1746.25
n÷5	1397

Exponentiation

n^y

n²	48790225
n³	340799721625
n⁴	2380486055550625
n⁵	1.6627695098021E+19

Nth Root

^y√n

²√n	83.576312433608
³√n	19.115638262073
⁴√n	9.1420081182204
⁵√n	5.872638691221

Divisors of 6985

1, 5, 11, 55, 127, 635, 1397, 6985

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	-6984	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 6985 can be divided by 8 positive divisors. The sum of these divisors (counting 6985) is 1, the average is 0.125.

Base conversion 6985

Base	System	Value
2	Binary	1101101001001
3	Ternary	100120201
4	Quaternary	1231021
5	Quinary	210420
6	Senary	52201
8	Octal	15511
10	Decimal	6985
12	Duodecimal	4061
16	Hexadecimal	1b49
20	Vigesimal	h95
36	Base36	5e1

Cryptographic Hash Functions

md5	219e052492f4008818b8adb6366c7ed6
sha1	03467635241112f75dedffb193443b5bf2f3e3c2
sha256	ea2db9f92dc6cc9f4a7b4baefdaddd790abf882d0c2d8c4a44f8a5c97ca4d43a
sha512	a1611733a189fa71caf11871b448c0d610914a2b592be280752965369a730d724b8a2aa1385f71287d1bdc400ee0631dc83a84e6fac46f6cc356a433ebfe2056
ripemd-160	eae9e56ffc68df8fdf2fcaa300498f3a86dd34ea

6985 as geometric shapes

Circle

Radius = n

Diameter	13970
Circumference	43888.049370649
Area	153279012.42699

Sphere

Radius = n

Volume	1427538535736.7
Surface area	613116049.70797
Circumference	43888.049370649

Square

Length = n

Perimeter	27940
Area	48790225
Diagonal	9878.2817331761

Cube

Length = n

Surface area	292741350
Volume	340799721625
Space diagonal	12098.374890869

Equilateral Triangle

Length = n

Perimeter	20955
Area	21126787.153179
Altitude	6049.1874454343

Triangular Pyramid

Length = n

Surface area	21126787.153179
Volume	40163632364.588
Height	3292.7605777254