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

81091373 (number)

81091373 is an odd 8-digits composite number following 81091372 and preceding 81091374. In scientific notation, it is written as 8.1091373 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 68785200 positive integers (up to 81091373) that are relatively prime to 81091373.

Interesting facts

81091373 has 16 divisors, whose sum is 94525440
The reverse of 81091373 is 37319018
Previous prime number is 67

Basic properties

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

Name

Name	eighty-one million ninety-one thousand three hundred seventy-three

Notation

Scientific notation	8.1091373 × 10^7
Engineering notation	8.1091373 × 10^6

Prime Factorization of 81091373

Prime Factorization 11 × 19 × 67 × 5791

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	81091373	Product of the distinct prime numbers

The prime factorization of 81091373 is 11 × 19 × 67 × 5791. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 69, 54, 173, 406, 7789, 3822, 18274, 85139, 344631, 245940, 6788539, 5994530, 32629267, 77663, 759394400, 719071260, 5681854857, 442948699

Basic calculations (n = 81091373)

Multiplication

n×y

n×2	162182746
n×3	243274119
n×4	324365492
n×5	405456865

Division

n÷y

n÷2	40545686.5
n÷3	27030457.666667
n÷3	20272843.25
n÷5	16218274.6

Exponentiation

n^y

n²	6575810775025129
n³	5.3324152433498E+23
n⁴	4.3241287348937E+31
n⁵	3.5064953614128E+39

Nth Root

^y√n

²√n	9005.074846996
³√n	432.8375046083
⁴√n	94.895072827813
⁵√n	38.176396337685

Divisors of 81091373

1, 11, 19, 67, 209, 737, 1273, 5791, 14003, 63701, 110029, 387997, 1210319, 4267967, 7371943, 81091373

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81091372	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81091373 can be divided by 16 positive divisors. The sum of these divisors (counting 81091373) is 1, the average is 0.0625.

Base conversion 81091373

Base	System	Value
2	Binary	100110101010101101100101101
3	Ternary	12122120212110012
4	Quaternary	10311111230231
5	Quinary	131224410443
6	Senary	12014023005
8	Octal	465255455
10	Decimal	81091373
12	Duodecimal	231a7a65
16	Hexadecimal	4d55b2d
20	Vigesimal	156g88d
36	Base36	1ca2i5

Cryptographic Hash Functions

md5	20e6a0fc5d24789c0a27cd9d331bbb16
sha1	d4bb8079c83d8fba7e8b01da97b5a31031337817
sha256	0e06390beaab6ad1f063d64cca68eb94e491843b1aad1c095a3b23aa5309a048
sha512	e05568be94cfd9035465ec1647f18beacb07a136e50b1c67ec9a3516b9bf70574b0676267611ac750aed80902246cf45af722dfdfc26e96ca191c18a6f79ef5a
ripemd-160	09ebcd8ef66743880fdac03bf5e3b37c19380c0e

81091373 as geometric shapes

Circle

Radius = n

Diameter	162182746
Circumference	509512123.37262
Area	2.0658518822216E+16

Sphere

Radius = n

Volume	2.2336368739197E+24
Surface area	8.2634075288862E+16
Circumference	509512123.37262

Square

Length = n

Perimeter	324365492
Area	6575810775025129
Diagonal	114680519.48806

Cube

Length = n

Surface area	39454864650150774
Volume	5.3324152433498E+23
Space diagonal	140454378.09152

Equilateral Triangle

Length = n

Perimeter	243274119
Area	2.8474095908256E+15
Altitude	70227189.04576

Triangular Pyramid

Length = n

Surface area	2.8474095908256E+15
Volume	6.2843116311253E+22
Height	38226839.829352