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

81681710 (number)

81681710 is an even 8-digits composite number following 81681709 and preceding 81681711. In scientific notation, it is written as 8.1681710 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 32 positive divisors. There are 29256480 positive integers (up to 81681710) that are relatively prime to 81681710.

Interesting facts

81681710 has 32 divisors, whose sum is 162801792
The reverse of 81681710 is 01718618
Previous prime number is 67

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	eighty-one million six hundred eighty-one thousand seven hundred ten

Notation

Scientific notation	8.1681710 × 10^7
Engineering notation	8.1681710 × 10^6

Prime Factorization of 81681710

Prime Factorization 2 × 5 × 11 × 67 × 11083

Composite number

ω	Distinct Factors	5	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	81681710	Product of the distinct prime numbers

The prime factorization of 81681710 is 2 × 5 × 11 × 67 × 11083. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 2, 24, 69, 911, 315, 7143, 8169, 93611, 48421, 981258, 135410, 2144234, 9633998, 47725109, 57437801, 997731421, 202801516, 958065580, 3082536891

Basic calculations (n = 81681710)

Multiplication

n×y

n×2	163363420
n×3	245045130
n×4	326726840
n×5	408408550

Division

n÷y

n÷2	40840855
n÷3	27227236.666667
n÷3	20420427.5
n÷5	16336342

Exponentiation

n^y

n²	6671901748524100
n³	5.4497234377144E+23
n⁴	4.4514272941959E+31
n⁵	3.6360019333059E+39

Nth Root

^y√n

²√n	9037.7934253887
³√n	433.8853038456
⁴√n	95.067309972402
⁵√n	38.231819243964

Divisors of 81681710

1, 2, 5, 10, 11, 22, 55, 67, 110, 134, 335, 670, 737, 1474, 3685, 7370, 11083, 22166, 55415, 110830, 121913, 243826, 609565, 742561, 1219130, 1485122, 3712805, 7425610, 8168171, 16336342, 40840855, 81681710

32 divisors

τ	Total Divisors	32	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81681709	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.03125	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	32	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81681710 can be divided by 32 positive divisors. The sum of these divisors (counting 81681710) is 1, the average is 0.03125.

Base conversion 81681710

Base	System	Value
2	Binary	100110111100101110100101110
3	Ternary	12200200212020112
4	Quaternary	10313211310232
5	Quinary	131402303320
6	Senary	12034420022
8	Octal	467456456
10	Decimal	81681710
12	Duodecimal	23431612
16	Hexadecimal	4de5d2e
20	Vigesimal	15aa45a
36	Base36	1cmq0e

Cryptographic Hash Functions

md5	1425250859b9e270a1190ef9cc65dbb3
sha1	01da8fe0dd357801b2befe649e11ff32540e2ca7
sha256	6929a9d0650eda7ce76db30315fa86b5244e418b374a0feaa4aaee19b513d541
sha512	51b0f7d5bfd45cbfb8fcc62465ee5def8d308c77b5ef7b2f7f268467fccc2235f4d61ad7f4866423d2f699d36d6d329a4cc3f2b968236abf55026bf1dbd66aef
ripemd-160	6e4b0b05a13f470cd8d96f0912fc94f056440d75

81681710 as geometric shapes

Circle

Radius = n

Diameter	163363420
Circumference	513221320.1373
Area	2.0960397518636E+16

Sphere

Radius = n

Volume	2.2827748154693E+24
Surface area	8.3841590074545E+16
Circumference	513221320.1373

Square

Length = n

Perimeter	326726840
Area	6671901748524100
Diagonal	115515382.07983

Cube

Length = n

Surface area	40031410491144600
Volume	5.4497234377144E+23
Space diagonal	141476871.76911

Equilateral Triangle

Length = n

Perimeter	245045130
Area	2.8890182028878E+15
Altitude	70738435.884553

Triangular Pyramid

Length = n

Surface area	2.8890182028878E+15
Volume	6.4225606639985E+22
Height	38505127.359942