Math question: What is the sum of the digits in the number 3971?

To find the sum, we add the individual digits 3 + 9 + 7 + 1 = 20. Therefore, the sum of the digits in the number 3971 is 20.

Math question for the number 3971: What is the largest prime factor that divides 3971?

To find the largest prime factor of 3971, we start by checking if 2 divides it, but 3971 is odd, so it's not divisible by 2. Next, we check if any odd number greater than 2 divides it. By trying 3, 5, 7, and 11, we find that none divide it evenly. Finally, we check all odd numbers up to the square root of 3971, which is approximately 63. We find that the largest prime factor that divides 3971 is itself, as no other prime factor is found. Therefore, the largest prime factor of 3971 is 3971.

Math Question: What is the sum of the digits of the number 3971?

To find the sum of the digits, we add the individual digits together. For the number 3971, we have 3 + 9 + 7 + 1 = 20. Thus, the sum of the digits of 3971 is 20.

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

3971 (number)

3971 is an odd 4-digits composite number following 3970 and preceding 3972. In scientific notation, it is written as 3.971 × 10^3. The sum of its digits is 20. It has a total of 3 prime factors and 6 positive divisors. There are 3420 positive integers (up to 3971) that are relatively prime to 3971.

Interesting facts

3971 has 6 divisors, whose sum is 4572
The reverse of 3971 is 1793
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 4
Sum of Digits 20
Digital Root 2

Name

Name	three thousand nine hundred seventy-one

Notation

Scientific notation	3.971 × 10^3
Engineering notation	3.971 × 10^3

Prime Factorization of 3971

Prime Factorization 11 × 19 × 19

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	209	Product of the distinct prime numbers

The prime factorization of 3971 is 11 × 19 × 19. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 10, 90, 98, 620, 666, 2142, 2491, 67438, 24016, 447919, 837386, 1868193, 4708444, 64434465, 58347893, 266750515, 531016378, 2239332675, 2739640288

Basic calculations (n = 3971)

Multiplication

n×y

n×2	7942
n×3	11913
n×4	15884
n×5	19855

Division

n÷y

n÷2	1985.5
n÷3	1323.6666666667
n÷3	992.75
n÷5	794.2

Exponentiation

n^y

n²	15768841
n³	62618067611
n⁴	248656346483281
n⁵	987414351885108851

Nth Root

^y√n

²√n	63.015871016753
³√n	15.835555243738
⁴√n	7.9382536503158
⁵√n	5.245416492498

Divisors of 3971

1, 11, 19, 209, 361, 3971

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-3970	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 3971 can be divided by 6 positive divisors. The sum of these divisors (counting 3971) is 1, the average is 0.16666666666667.

Base conversion 3971

Base	System	Value
2	Binary	111110000011
3	Ternary	12110002
4	Quaternary	332003
5	Quinary	111341
6	Senary	30215
8	Octal	7603
10	Decimal	3971
12	Duodecimal	236b
16	Hexadecimal	f83
20	Vigesimal	9ib
36	Base36	32b

Cryptographic Hash Functions

md5	cba0a4ee5ccd02fda0fe3f9a3e7b89fe
sha1	2bcbae7281b22f91b370d7306e05fcb114797e2d
sha256	2a890496afdbf5776269743d9c1dfc558697c9518c98e25fcc4751089e44ffc4
sha512	8d847403f50320a7dcbc07c3b9c99975e56e7924cf1c67bd938a6decc60b245a97c056c662d7842d9ec25ea8928ccf8ab70c5668230658d19fe6515823c69369
ripemd-160	efb134fd974f5a5bb9062d0f1d355a5751aef6d0

3971 as geometric shapes

Circle

Radius = n

Diameter	7942
Circumference	24950.52885481
Area	49539275.041226

Sphere

Radius = n

Volume	262293948251.61
Surface area	198157100.1649
Circumference	24950.52885481

Square

Length = n

Perimeter	15884
Area	15768841
Diagonal	5615.8420561836

Cube

Length = n

Surface area	94613046
Volume	62618067611
Space diagonal	6877.973756856

Equilateral Triangle

Length = n

Perimeter	11913
Area	6828108.4471188
Altitude	3438.986878428

Triangular Pyramid

Length = n

Surface area	6828108.4471188
Volume	7379610038.756
Height	1871.9473520612