What is the sum of the digits of the number 7661?

The sum of the digits of the number 7661 is 7 + 6 + 6 + 1 = 20.

Math question: What is the sum of the digits in the number 7661?

To find the sum of the digits in the number 7661, we add each individual digit together. The thousands digit is 7, the hundreds digit is 6, the tens digit is 6, and the units digit is 1. Adding them: 7 + 6 + 6 + 1 = 20. Therefore, the sum of the digits in the number 7661 is 20.

Math Question: What is the smallest prime number greater than 7661?

To find the smallest prime number greater than 7661, we start by checking if 7662 is divisible by any prime numbers less than or equal to its square root (√7662 ≈ 87.56). Upon inspection, we notice that it is divisible by 2. Therefore, 7662 is not prime. Moving on, we check if 7663 is divisible by any primes. After testing divisions by 3, 5, 7, 11, and 13 (all primes less than √7663 ≈ 87.61), we realize that 7663 is indeed a prime number. Therefore, the smallest prime number greater than 7661 is 7663.

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

7661 (number)

7661 is an odd 4-digits composite number following 7660 and preceding 7662. In scientific notation, it is written as 7.661 × 10^3. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 7452 positive integers (up to 7661) that are relatively prime to 7661.

Interesting facts

7661 has 4 divisors, whose sum is 7872
The reverse of 7661 is 1667
Previous prime number is 47

Basic properties

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

Name

Name	seven thousand six hundred sixty-one

Notation

Scientific notation	7.661 × 10^3
Engineering notation	7.661 × 10^3

Prime Factorization of 7661

Prime Factorization 47 × 163

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	7661	Product of the distinct prime numbers

The prime factorization of 7661 is 47 × 163. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 2, 84, 2, 547, 56, 2498, 3061, 67137, 63390, 696938, 723553, 5282254, 3645157, 20156932, 68927033, 651676875, 190551717, 695691368, 190344096

Basic calculations (n = 7661)

Multiplication

n×y

n×2	15322
n×3	22983
n×4	30644
n×5	38305

Division

n÷y

n÷2	3830.5
n÷3	2553.6666666667
n÷3	1915.25
n÷5	1532.2

Exponentiation

n^y

n²	58690921
n³	449631145781
n⁴	3444624207828241
n⁵	2.6389266056172E+19

Nth Root

^y√n

²√n	87.527138648536
³√n	19.713413009847
⁴√n	9.3555939762548
⁵√n	5.9821471607784

Divisors of 7661

1, 47, 163, 7661

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	-7660	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 7661 can be divided by 4 positive divisors. The sum of these divisors (counting 7661) is 1, the average is 0.25.

Base conversion 7661

Base	System	Value
2	Binary	1110111101101
3	Ternary	101111202
4	Quaternary	1313231
5	Quinary	221121
6	Senary	55245
8	Octal	16755
10	Decimal	7661
12	Duodecimal	4525
16	Hexadecimal	1ded
20	Vigesimal	j31
36	Base36	5wt

Cryptographic Hash Functions

md5	2ec0274c1774841e6820ad9339b81dbf
sha1	108417fe8619a5bfe4ca5578b84d1769cfe6311c
sha256	b0cc10087a35e91239992dd310792057f290b947d19fd92af35eb4cbd04a2076
sha512	0b090c69aa586f1dc738ae80a8395fc901235598104847e3e8aa2fca84cbae6514a2b83a15701c1680244d003b712e615da012f0c38fe51cc956450e9cf21843
ripemd-160	28576f521ca8f2930e604b411383ebbf4a9c90fb

7661 as geometric shapes

Circle

Radius = n

Diameter	15322
Circumference	48135.482638303
Area	184382966.24602

Sphere

Radius = n

Volume	1883410539214.3
Surface area	737531864.98408
Circumference	48135.482638303

Square

Length = n

Perimeter	30644
Area	58690921
Diagonal	10834.29010134

Cube

Length = n

Surface area	352145526
Volume	449631145781
Space diagonal	13269.241236785

Equilateral Triangle

Length = n

Perimeter	22983
Area	25413914.278753
Altitude	6634.6206183926

Triangular Pyramid

Length = n

Surface area	25413914.278753
Volume	52989538702.404
Height	3611.4300337801