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

81638006 (number)

81638006 is an even 8-digits composite number following 81638005 and preceding 81638007. In scientific notation, it is written as 8.1638006 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 40422600 positive integers (up to 81638006) that are relatively prime to 81638006.

Interesting facts

81638006 has 8 divisors, whose sum is 123646224
The reverse of 81638006 is 60083618
Previous prime number is 103

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 thirty-eight thousand six

Notation

Scientific notation	8.1638006 × 10^7
Engineering notation	8.1638006 × 10^6

Prime Factorization of 81638006

Prime Factorization 2 × 103 × 396301

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81638006	Product of the distinct prime numbers

The prime factorization of 81638006 is 2 × 103 × 396301. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 10, 30, 63, 187, 313, 1071, 3205, 90883, 46974, 388296, 964730, 3389685, 3149548, 95955203, 96539140, 623577417, 336723617, 5615394763, 5600902608

Basic calculations (n = 81638006)

Multiplication

n×y

n×2	163276012
n×3	244914018
n×4	326552024
n×5	408190030

Division

n÷y

n÷2	40819003
n÷3	27212668.666667
n÷3	20409501.5
n÷5	16327601.2

Exponentiation

n^y

n²	6664764023656036
n³	5.4409804535182E+23
n⁴	4.441907949102E+31
n⁵	3.6262850780024E+39

Nth Root

^y√n

²√n	9035.3752550738
³√n	433.80790624008
⁴√n	95.054590920554
⁵√n	38.22772716228

Divisors of 81638006

1, 2, 103, 206, 396301, 792602, 40819003, 81638006

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	-81638005	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 81638006 can be divided by 8 positive divisors. The sum of these divisors (counting 81638006) is 1, the average is 0.125.

Base conversion 81638006

Base	System	Value
2	Binary	100110111011011001001110110
3	Ternary	12200121122021212
4	Quaternary	10313123021312
5	Quinary	131344404011
6	Senary	12033441422
8	Octal	467331166
10	Decimal	81638006
12	Duodecimal	23410272
16	Hexadecimal	4ddb276
20	Vigesimal	15a4f06
36	Base36	1clsae

Cryptographic Hash Functions

md5	ad1bbe64230fd8ec595401aa0b8d4c63
sha1	517ca40ae1db758239f13e6c724dd8f963ec10dd
sha256	7e59bb17b02885e2852172c7d68fb511c60a1d4bb0deaa2048cfdd74b65f0fd3
sha512	9a58450cc1400d0bba1ba3b875da8c2818ebcbab0c955436b0d0c915fa6919468643d5fcfa33e32f907902f533402da0abf97c1e8cd68b6356f7ea43558b9371
ripemd-160	581eeacfb2c96a80e3d6e1c32d57df35640b71dc

81638006 as geometric shapes

Circle

Radius = n

Diameter	163276012
Circumference	512946719.80664
Area	2.0937973694627E+16

Sphere

Radius = n

Volume	2.2791125628131E+24
Surface area	8.3751894778509E+16
Circumference	512946719.80664

Square

Length = n

Perimeter	326552024
Area	6664764023656036
Diagonal	115453575.2903

Cube

Length = n

Surface area	39988584141936216
Volume	5.4409804535182E+23
Space diagonal	141401174.22061

Equilateral Triangle

Length = n

Perimeter	244914018
Area	2.8859274773574E+15
Altitude	70700587.110306

Triangular Pyramid

Length = n

Surface area	2.8859274773574E+15
Volume	6.4122569583102E+22
Height	38484525.096765