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

81109904 (number)

81109904 is an even 8-digits composite number following 81109903 and preceding 81109905. In scientific notation, it is written as 8.1109904 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 10 positive divisors. There are 40554944 positive integers (up to 81109904) that are relatively prime to 81109904.

Interesting facts

81109904 has 10 divisors, whose sum is 157150470
The reverse of 81109904 is 40990118
Previous prime number is 2

Basic properties

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

Name

Name	eighty-one million one hundred nine thousand nine hundred four

Notation

Scientific notation	8.1109904 × 10^7
Engineering notation	8.1109904 × 10^6

Prime Factorization of 81109904

Prime Factorization 2 × 2 × 2 × 2 × 5069369

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	10138738	Product of the distinct prime numbers

The prime factorization of 81109904 is 2 × 2 × 2 × 2 × 5069369. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 9, 9, 81, 154, 233, 3357, 4250, 30330, 33323, 260760, 133618, 8677192, 5492547, 52113815, 649496, 635381250, 21833394, 7626177967, 766387747

Basic calculations (n = 81109904)

Multiplication

n×y

n×2	162219808
n×3	243329712
n×4	324439616
n×5	405549520

Division

n÷y

n÷2	40554952
n÷3	27036634.666667
n÷3	20277476
n÷5	16221980.8

Exponentiation

n^y

n²	6578816526889216
n³	5.336071769296E+23
n⁴	4.3280826894471E+31
n⁵	3.5105037144511E+39

Nth Root

^y√n

²√n	9006.1037080416
³√n	432.87047277166
⁴√n	94.90049371864
⁵√n	38.178140992183

Divisors of 81109904

1, 2, 4, 8, 16, 5069369, 10138738, 20277476, 40554952, 81109904

10 divisors

τ	Total Divisors	10	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81109903	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.1	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	10	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81109904 can be divided by 10 positive divisors. The sum of these divisors (counting 81109904) is 1, the average is 0.1.

Base conversion 81109904

Base	System	Value
2	Binary	100110101011010001110010000
3	Ternary	12122121210212112
4	Quaternary	10311122032100
5	Quinary	131231004104
6	Senary	12014244452
8	Octal	465321620
10	Decimal	81109904
12	Duodecimal	231b6728
16	Hexadecimal	4d5a390
20	Vigesimal	156ief4
36	Base36	1cagsw

Cryptographic Hash Functions

md5	4c26fc54aa215f43e518f8e50c179baf
sha1	0d08e8e725a580178ca26a8eda5c15b931eaf3b3
sha256	ef380eea1413453afdd34bd62f0fbe6d537eff3e8765b1bc63a09f2cac0405ca
sha512	a67585a3cb9507b9d5c92dacd0f8c576ae24ec1e879c99a95aa4e3ca07c913401f978a988a83c2f7c9eb171da41edabb642fff27c04297a97fd4703b1c14d07d
ripemd-160	765ecc69a56046bb08f07ac220189482ba2bf329

81109904 as geometric shapes

Circle

Radius = n

Diameter	162219808
Circumference	509628557.07955
Area	2.066796167019E+16

Sphere

Radius = n

Volume	2.2351685159264E+24
Surface area	8.2671846680761E+16
Circumference	509628557.07955

Square

Length = n

Perimeter	324439616
Area	6578816526889216
Diagonal	114706726.27958

Cube

Length = n

Surface area	39472899161335296
Volume	5.336071769296E+23
Space diagonal	140486474.72503

Equilateral Triangle

Length = n

Perimeter	243329712
Area	2.8487111195615E+15
Altitude	70243237.362517

Triangular Pyramid

Length = n

Surface area	2.8487111195615E+15
Volume	6.2886208882788E+22
Height	38235575.426527