Math question: What is the largest prime factor of 3961?

To find the prime factors, we can start testing divisibility of 3961. After some calculations, we find that 61 is a prime factor of 3961. Therefore, the largest prime factor of 3961 is 61.

Math question: What is the sum of the digits of the number 3961?

To find the sum of the digits in the number 3961, we need to add the individual digits. Starting from the leftmost digit, 3+9+6+1 equals 19. Hence, the sum of the digits in 3961 is 19.

Math question: What is the smallest positive integer n such that 3961 is divisible by n and n is greater than 1 and less than or equal to 3961?

To find the smallest n that satisfies the given conditions, we need to check divisibility of 3961 by numbers starting from 2 up to 3961. By performing this check, we find that 3961 is divisible by the smallest positive integer n, which is 17. Hence, 17 is the smallest factor of 3961, excluding 1, that is less than or equal to 3961.

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

3961 (number)

3961 is an odd 4-digits composite number following 3960 and preceding 3962. In scientific notation, it is written as 3.961 × 10^3. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 3712 positive integers (up to 3961) that are relatively prime to 3961.

Interesting facts

3961 has 4 divisors, whose sum is 4212
The reverse of 3961 is 1693
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 4
Sum of Digits 19
Digital Root 1

Name

Name	three thousand nine hundred sixty-one

Notation

Scientific notation	3.961 × 10^3
Engineering notation	3.961 × 10^3

Prime Factorization of 3961

Prime Factorization 17 × 233

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	3961	Product of the distinct prime numbers

The prime factorization of 3961 is 17 × 233. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 8, 24, 73, 922, 99, 5890, 575, 32531, 85774, 761384, 366521, 5866120, 4793093, 80326128, 99332148, 993136294, 174599401, 7383735513, 3915094742

Basic calculations (n = 3961)

Multiplication

n×y

n×2	7922
n×3	11883
n×4	15844
n×5	19805

Division

n÷y

n÷2	1980.5
n÷3	1320.3333333333
n÷3	990.25
n÷5	792.2

Exponentiation

n^y

n²	15689521
n³	62146192681
n⁴	246161069209441
n⁵	975043995138595801

Nth Root

^y√n

²√n	62.936475910238
³√n	15.822251402103
⁴√n	7.9332512824338
⁵√n	5.242771965571

Divisors of 3961

1, 17, 233, 3961

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-3960	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 3961 can be divided by 4 positive divisors. The sum of these divisors (counting 3961) is 1, the average is 0.25.

Base conversion 3961

Base	System	Value
2	Binary	111101111001
3	Ternary	12102201
4	Quaternary	331321
5	Quinary	111321
6	Senary	30201
8	Octal	7571
10	Decimal	3961
12	Duodecimal	2361
16	Hexadecimal	f79
20	Vigesimal	9i1
36	Base36	321

Cryptographic Hash Functions

md5	24e01830d213d75deb99c22b9cd91ddd
sha1	a64274d1f7ed85fbe10e39b3ccd4296045603da6
sha256	cfbe919472e0e3f4a62e65f39eb3674c5df4b9446df5493ca4a71c39f848a028
sha512	4652682ec1126ce711c648bd8d8089c527807bee3805f9cfa5fb63295d64f3775f06eaa4e1c83f180e807efdc64475623a3b5a263dec9aa31dfec48bb9c63437
ripemd-160	ab4c98e1b9f377dc80c50b5f28bb6f0ea05aa49b

3961 as geometric shapes

Circle

Radius = n

Diameter	7922
Circumference	24887.697001738
Area	49290083.911943

Sphere

Radius = n

Volume	260317363166.94
Surface area	197160335.64777
Circumference	24887.697001738

Square

Length = n

Perimeter	15844
Area	15689521
Diagonal	5601.6999205598

Cube

Length = n

Surface area	94137126
Volume	62146192681
Space diagonal	6860.6532487803

Equilateral Triangle

Length = n

Perimeter	11883
Area	6793761.8796047
Altitude	3430.3266243902

Triangular Pyramid

Length = n

Surface area	6793761.8796047
Volume	7323999044.9435
Height	1867.2333068533