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

71661 (number)

71661 is an odd 5-digits composite number following 71660 and preceding 71662. In scientific notation, it is written as 7.1661 × 10^4. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 47772 positive integers (up to 71661) that are relatively prime to 71661.

Interesting facts

71661 has 4 divisors, whose sum is 95552
The reverse of 71661 is 16617
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 5
Sum of Digits 21
Digital Root 3

Name

Name	seventy-one thousand six hundred sixty-one

Notation

Scientific notation	7.1661 × 10^4
Engineering notation	7.1661 × 10^3

Prime Factorization of 71661

Prime Factorization 3 × 23887

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	71661	Product of the distinct prime numbers

The prime factorization of 71661 is 3 × 23887. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 3, 53, 39, 732, 340, 3403, 4652, 24905, 67685, 754127, 576929, 2170211, 5931512, 54288828, 90215169, 707056353, 890272623, 4719442035, 2732200641

Basic calculations (n = 71661)

Multiplication

n×y

n×2	143322
n×3	214983
n×4	286644
n×5	358305

Division

n÷y

n÷2	35830.5
n÷3	23887
n÷3	17915.25
n÷5	14332.2

Exponentiation

n^y

n²	5135298921
n³	368000655977781
n⁴	2.6371295008024E+19
n⁵	1.88979337157E+24

Nth Root

^y√n

²√n	267.69572278989
³√n	41.53628220074
⁴√n	16.361409559995
⁵√n	9.3552753159344

Divisors of 71661

1, 3, 23887, 71661

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	-71660	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 71661 can be divided by 4 positive divisors. The sum of these divisors (counting 71661) is 1, the average is 0.25.

Base conversion 71661

Base	System	Value
2	Binary	10001011111101101
3	Ternary	10122022010
4	Quaternary	101133231
5	Quinary	4243121
6	Senary	1311433
8	Octal	213755
10	Decimal	71661
12	Duodecimal	35579
16	Hexadecimal	117ed
20	Vigesimal	8j31
36	Base36	1jal

Cryptographic Hash Functions

md5	2518d420da85f4270eb5c42b2ecbda02
sha1	bb5253989c95f34684d11a935d1a93eb64353f11
sha256	4ba55684ac433265129afc4856d2b8c7f953a56f565289c1768e103e86684bea
sha512	3d3e852b52a6a032c31ff88384277b723c44be6dc44fc1995872d40c20a60fb05dd9795ced324e4272a33cc949466eeb3a8a823ad30da4ff0576af24e16ed673
ripemd-160	bd5ec11070c13fa323c800de818a497dc98d4eab

71661 as geometric shapes

Circle

Radius = n

Diameter	143322
Circumference	450259.3422978
Area	16133017364.201

Sphere

Radius = n

Volume	1.5414775431147E+15
Surface area	64532069456.805
Circumference	450259.3422978

Square

Length = n

Perimeter	286644
Area	5135298921
Diagonal	101343.95809322

Cube

Length = n

Surface area	30811793526
Volume	368000655977781
Space diagonal	124120.49292119

Equilateral Triangle

Length = n

Perimeter	214983
Area	2223649660.8064
Altitude	62060.246460597

Triangular Pyramid

Length = n

Surface area	2223649660.8064
Volume	43369293220498
Height	33781.319364406