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

81736638 (number)

81736638 is an even 8-digits composite number following 81736637 and preceding 81736639. In scientific notation, it is written as 8.1736638 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 27245544 positive integers (up to 81736638) that are relatively prime to 81736638.

Interesting facts

81736638 has 8 divisors, whose sum is 163473288
The reverse of 81736638 is 83663718
Previous prime number is 3

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	eighty-one million seven hundred thirty-six thousand six hundred thirty-eight

Notation

Scientific notation	8.1736638 × 10^7
Engineering notation	8.1736638 × 10^6

Prime Factorization of 81736638

Prime Factorization 2 × 3 × 13622773

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81736638	Product of the distinct prime numbers

The prime factorization of 81736638 is 2 × 3 × 13622773. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 2, 75, 42, 903, 105, 4226, 1211, 67079, 55240, 242359, 928557, 9960476, 2500747, 90433381, 25599951, 529723276, 678261359, 8559311099, 6318355548

Basic calculations (n = 81736638)

Multiplication

n×y

n×2	163473276
n×3	245209914
n×4	326946552
n×5	408683190

Division

n÷y

n÷2	40868319
n÷3	27245546
n÷3	20434159.5
n÷5	16347327.6

Exponentiation

n^y

n²	6680877991543044
n³	5.4607250591692E+23
n⁴	4.4634130737884E+31
n⁵	3.6482437865671E+39

Nth Root

^y√n

²√n	9040.8317095276
³√n	433.982539452
⁴√n	95.083288276792
⁵√n	38.23695976496

Divisors of 81736638

1, 2, 3, 6, 13622773, 27245546, 40868319, 81736638

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	-81736637	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 81736638 can be divided by 8 positive divisors. The sum of these divisors (counting 81736638) is 1, the average is 0.125.

Base conversion 81736638

Base	System	Value
2	Binary	100110111110011001110111110
3	Ternary	12200210122120220
4	Quaternary	10313303032332
5	Quinary	131411033023
6	Senary	12035522210
8	Octal	467631676
10	Decimal	81736638
12	Duodecimal	23459366
16	Hexadecimal	4df33be
20	Vigesimal	15ah1bi
36	Base36	1cnwe6

Cryptographic Hash Functions

md5	178f5c088809654c522b2ee046a91ec7
sha1	7670f0a46db8b9357dfa177fcf76cbc332e85b11
sha256	88ad348e8b5bcaad9f3b37125ce98fb3d461eb166417f5766ca08424dae72f80
sha512	fca52137ea8feeb212e69fdcb258b59f6da97c9a0ae488962cc867d508090b972aff3f29633b1bf1502e166ebaf3d5a77074e7c2d28bb35d36301142d451e876
ripemd-160	72f2b1cf050ccf347f530bcaf0117861c0e51b43

81736638 as geometric shapes

Circle

Radius = n

Diameter	163473276
Circumference	513566442.93986
Area	2.0988597217761E+16

Sphere

Radius = n

Volume	2.287383163888E+24
Surface area	8.3954388871045E+16
Circumference	513566442.93986

Square

Length = n

Perimeter	326946552
Area	6680877991543044
Diagonal	115593062.00238

Cube

Length = n

Surface area	40085267949258264
Volume	5.4607250591692E+23
Space diagonal	141572009.85586

Equilateral Triangle

Length = n

Perimeter	245209914
Area	2.8929050301303E+15
Altitude	70786004.927932

Triangular Pyramid

Length = n

Surface area	2.8929050301303E+15
Volume	6.4355261992231E+22
Height	38531020.66746