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

81642011 (number)

81642011 is an odd 8-digits composite number following 81642010 and preceding 81642012. In scientific notation, it is written as 8.1642011 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 74220000 positive integers (up to 81642011) that are relatively prime to 81642011.

Interesting facts

81642011 has 4 divisors, whose sum is 89064024
The reverse of 81642011 is 11024618
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	eighty-one million six hundred forty-two thousand eleven

Notation

Scientific notation	8.1642011 × 10^7
Engineering notation	8.1642011 × 10^6

Prime Factorization of 81642011

Prime Factorization 11 × 7422001

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81642011	Product of the distinct prime numbers

The prime factorization of 81642011 is 11 × 7422001. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 7, 79, 20, 192, 480, 3432, 1069, 31320, 26980, 796852, 520840, 9179135, 2361952, 55075003, 26319621, 488310886, 973015156, 2903328742, 8139782609

Basic calculations (n = 81642011)

Multiplication

n×y

n×2	163284022
n×3	244926033
n×4	326568044
n×5	408210055

Division

n÷y

n÷2	40821005.5
n÷3	27214003.666667
n÷3	20410502.75
n÷5	16328402.2

Exponentiation

n^y

n²	6665417960124121
n³	5.4417812642005E+23
n⁴	4.4427796583145E+31
n⁵	3.6271746573469E+39

Nth Root

^y√n

²√n	9035.5968812248
³√n	433.81500004496
⁴√n	95.055756696924
⁵√n	38.228102230341

Divisors of 81642011

1, 11, 7422001, 81642011

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	-81642010	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 81642011 can be divided by 4 positive divisors. The sum of these divisors (counting 81642011) is 1, the average is 0.25.

Base conversion 81642011

Base	System	Value
2	Binary	100110111011100001000011011
3	Ternary	12200121211210012
4	Quaternary	10313130020123
5	Quinary	131400021021
6	Senary	12033512135
8	Octal	467341033
10	Decimal	81642011
12	Duodecimal	2341264b
16	Hexadecimal	4ddc21b
20	Vigesimal	15a550b
36	Base36	1clvdn

Cryptographic Hash Functions

md5	29ca59e61796b6c242b8bad796904292
sha1	84be3054a260d45b05417b8cff6d2eea93d1618d
sha256	267abe15ed0123b1e8fe9e510b5a190ea2689a87532379f06f9cacebbaca6f9d
sha512	6771f0201939cebcd351e6387cfebd653ef4c7ec7261663da1446e1f53c46b3080805d4d8e3a7d4a7a2242bf7c1d8412bc78271f6782ea447702f51cf99f27a9
ripemd-160	928a855eca37faae18a937f7037499c40a58fcc1

81642011 as geometric shapes

Circle

Radius = n

Diameter	163284022
Circumference	512971883.96379
Area	2.0940028096631E+16

Sphere

Radius = n

Volume	2.2794480056073E+24
Surface area	8.3760112386526E+16
Circumference	512971883.96379

Square

Length = n

Perimeter	326568044
Area	6665417960124121
Diagonal	115459239.21561

Cube

Length = n

Surface area	39992507760744726
Volume	5.4417812642005E+23
Space diagonal	141408111.0841

Equilateral Triangle

Length = n

Perimeter	244926033
Area	2.8862106401543E+15
Altitude	70704055.542049

Triangular Pyramid

Length = n

Surface area	2.8862106401543E+15
Volume	6.4132007227501E+22
Height	38486413.071871