Math Question: What is the sum of the digits in the number 3999?

To find the sum of the digits in 3999, we add each individual digit together. Starting with the thousands place digit, which is 3, we add 3 to the sum. Moving to the hundreds place digit, which is 9, we add 9 to the sum. Similarly, in the tens place digit, which is again 9, we add 9 to the sum. Lastly, in the ones place digit, which is once again 9, we add 9 to the sum. Hence, the sum of the digits in 3999 is 3 + 9 + 9 + 9 = 30.

Math question: What is the sum of the prime factors of the number 3999?

To find the prime factors of 3999, we divide it by the smallest prime number, 2, which doesn't evenly divide it. Then we try division by the next prime number, 3, which gives 1333 as the quotient. Continuing in this manner, we factorize as: 3 × 7 × 11 × 13. The sum of these prime factors is 3 + 7 + 11 + 13 = 34. Thus, the answer is 34.

Math question: What is the sum of the digits of the number 3999?

The sum of the digits can be found by adding 3 + 9 + 9 + 9, which equals 30.

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

3999 (number)

3999 is an odd 4-digits composite number following 3998 and preceding 4000. In scientific notation, it is written as 3.999 × 10^3. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 2520 positive integers (up to 3999) that are relatively prime to 3999.

Interesting facts

3999 has 8 divisors, whose sum is 5632
The reverse of 3999 is 9993
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 4
Sum of Digits 30
Digital Root 3

Name

Name	three thousand nine hundred ninety-nine

Notation

Scientific notation	3.999 × 10^3
Engineering notation	3.999 × 10^3

Prime Factorization of 3999

Prime Factorization 3 × 31 × 43

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	3999	Product of the distinct prime numbers

The prime factorization of 3999 is 3 × 31 × 43. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 1, 22, 87, 652, 315, 7756, 9716, 35533, 93281, 759099, 783779, 677256, 2310972, 84521678, 25544938, 970812912, 26860143, 6786634348, 3421360744

Basic calculations (n = 3999)

Multiplication

n×y

n×2	7998
n×3	11997
n×4	15996
n×5	19995

Division

n÷y

n÷2	1999.5
n÷3	1333
n÷3	999.75
n÷5	799.8

Exponentiation

n^y

n²	15992001
n³	63952011999
n⁴	255744095984001
n⁵	1022720639840019999

Nth Root

^y√n

²√n	63.23764701505
³√n	15.872687575221
⁴√n	7.9522101968603
⁵√n	5.2527929297579

Divisors of 3999

1, 3, 31, 43, 93, 129, 1333, 3999

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	-3998	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 3999 can be divided by 8 positive divisors. The sum of these divisors (counting 3999) is 1, the average is 0.125.

Base conversion 3999

Base	System	Value
2	Binary	111110011111
3	Ternary	12111010
4	Quaternary	332133
5	Quinary	111444
6	Senary	30303
8	Octal	7637
10	Decimal	3999
12	Duodecimal	2393
16	Hexadecimal	f9f
20	Vigesimal	9jj
36	Base36	333

Cryptographic Hash Functions

md5	9cf742e94f29f454ac42ff68f37d5cc4
sha1	6d438f23010203dfe40bfec8034252e1450aa29f
sha256	f7bb120e80490b714177ebaeff95174a418361c9755298461be85ae2367a6edc
sha512	2ec0fbfc8ed70cd53fe661fa4efc02e6c3c722ea077f7ee77fe8c0daecd3ce5bd19ce7e51c14b7bc72836eed06d2c96a0188f4bd93da7e73f033a4cd12861455
ripemd-160	f84e74f079688dedeb635a82e6d99b9fc607dc21

3999 as geometric shapes

Circle

Radius = n

Diameter	7998
Circumference	25126.458043411
Area	50240352.857801

Sphere

Radius = n

Volume	267881561437.79
Surface area	200961411.4312
Circumference	25126.458043411

Square

Length = n

Perimeter	15996
Area	15992001
Diagonal	5655.44003593

Cube

Length = n

Surface area	95952006
Volume	63952011999
Space diagonal	6926.4711794679

Equilateral Triangle

Length = n

Perimeter	11997
Area	6924739.5616731
Altitude	3463.235589734

Triangular Pyramid

Length = n

Surface area	6924739.5616731
Volume	7536816892.5027
Height	1885.1466786433