Math question: What is the sum of the digits of the number 3989?

To find the sum of the digits of the number 3989, we add each digit together: 3 + 9 + 8 + 9. The sum of the digits is 29.

Question: If the number 3989 is divided by the sum of its digits, what is the resulting quotient?

To find the sum of the digits in 3989, we add 3 + 9 + 8 + 9, which equals 29. Dividing 3989 by 29 gives a quotient of approximately 137.5517.

Question: If the number 3989 is multiplied by its reverse, what is the product?

To find the product, we first reverse the digits of 3989, which gives 9893. Now, multiplying 3989 by 9893 equals 39,513,877. Therefore, the product is 39,513,877.

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

3989 (number)

3989 is an odd 4-digits prime number following 3988 and preceding 3990. In scientific notation, it is written as 3.989 × 10^3. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 3988 positive integers (up to 3989) that are relatively prime to 3989.

Interesting facts

3989 has 2 divisors, whose sum is 3990
The reverse of 3989 is 9893
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 4
Sum of Digits 29
Digital Root 2

Name

Name	three thousand nine hundred eighty-nine

Notation

Scientific notation	3.989 × 10^3
Engineering notation	3.989 × 10^3

Prime Factorization of 3989

Prime Factorization 3989

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	3989	Product of the distinct prime numbers

The prime factorization of 3989 is 3989. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 4, 12, 6, 47, 286, 3546, 6927, 23013, 65673, 224912, 462123, 1074880, 4393328, 40297880, 29847234, 452976012, 686122516, 2900245745, 8115862755

Basic calculations (n = 3989)

Multiplication

n×y

n×2	7978
n×3	11967
n×4	15956
n×5	19945

Division

n÷y

n÷2	1994.5
n÷3	1329.6666666667
n÷3	997.25
n÷5	797.8

Exponentiation

n^y

n²	15912121
n³	63473450669
n⁴	253195594718641
n⁵	1009997227332658949

Nth Root

^y√n

²√n	63.158530698553
³√n	15.859445984378
⁴√n	7.947234154003
⁵√n	5.2501632448701

Divisors of 3989

1, 3989

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	3990	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	1995	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	63.166446789415	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9994987468672	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 3989 can be divided by 2 positive divisors. The sum of these divisors (counting 3989) is 3990, the average is 1995.

Base conversion 3989

Base	System	Value
2	Binary	111110010101
3	Ternary	12110202
4	Quaternary	332111
5	Quinary	111424
6	Senary	30245
8	Octal	7625
10	Decimal	3989
12	Duodecimal	2385
16	Hexadecimal	f95
20	Vigesimal	9j9
36	Base36	32t

Cryptographic Hash Functions

md5	6516c28727509c3db6280ae16254e916
sha1	7ce4b1ceb5d18c9cef085ae199ece90f8b19d124
sha256	1c37f887fe791582bffd7aaa53fed08a44965b2a4ca45a04e3359dbb5a011fa6
sha512	9a94961f5b21847edc33a8ce9ddc7e64384fc2e16524a96f9ccfc5a98e682910b990a1e365774b008005f0d2ce1b0385a00b73a3738500b1decece826febcd00
ripemd-160	ae623cc0605fc80fd01f3bd8ce084982e03fac02

3989 as geometric shapes

Circle

Radius = n

Diameter	7978
Circumference	25063.626190339
Area	49989402.436632

Sphere

Radius = n

Volume	265876968426.3
Surface area	199957609.74653
Circumference	25063.626190339

Square

Length = n

Perimeter	15956
Area	15912121
Diagonal	5641.2979003063

Cube

Length = n

Surface area	95472726
Volume	63473450669
Space diagonal	6909.1506713923

Equilateral Triangle

Length = n

Perimeter	11967
Area	6890150.5070459
Altitude	3454.5753356961

Triangular Pyramid

Length = n

Surface area	6890150.5070459
Volume	7480417898.8933
Height	1880.4326334354