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

81091366 (number)

81091366 is an even 8-digits composite number following 81091365 and preceding 81091367. In scientific notation, it is written as 8.1091366 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 39147528 positive integers (up to 81091366) that are relatively prime to 81091366.

Interesting facts

81091366 has 8 divisors, whose sum is 125831520
The reverse of 81091366 is 66319018
Previous prime number is 29

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	eighty-one million ninety-one thousand three hundred sixty-six

Notation

Scientific notation	8.1091366 × 10^7
Engineering notation	8.1091366 × 10^6

Prime Factorization of 81091366

Prime Factorization 2 × 29 × 1398127

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81091366	Product of the distinct prime numbers

The prime factorization of 81091366 is 2 × 29 × 1398127. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 1, 79, 61, 363, 21, 465, 3216, 68314, 86840, 551890, 407287, 1029147, 1045795, 56279642, 60998063, 891008162, 329856446, 6220556804, 4109418964

Basic calculations (n = 81091366)

Multiplication

n×y

n×2	162182732
n×3	243274098
n×4	324365464
n×5	405456830

Division

n÷y

n÷2	40545683
n÷3	27030455.333333
n÷3	20272841.5
n÷5	16218273.2

Exponentiation

n^y

n²	6575809639745956
n³	5.3324138624297E+23
n⁴	4.3241272418176E+31
n⁵	3.506493847968E+39

Nth Root

^y√n

²√n	9005.0744583263
³√n	432.83749215378
⁴√n	94.895070779921
⁵√n	38.17639567859

Divisors of 81091366

1, 2, 29, 58, 1398127, 2796254, 40545683, 81091366

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	-81091365	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 81091366 can be divided by 8 positive divisors. The sum of these divisors (counting 81091366) is 1, the average is 0.125.

Base conversion 81091366

Base	System	Value
2	Binary	100110101010101101100100110
3	Ternary	12122120212102221
4	Quaternary	10311111230212
5	Quinary	131224410431
6	Senary	12014022554
8	Octal	465255446
10	Decimal	81091366
12	Duodecimal	231a7a5a
16	Hexadecimal	4d55b26
20	Vigesimal	156g886
36	Base36	1ca2hy

Cryptographic Hash Functions

md5	f8af40d8cb16d2869d8d98fde1aeb836
sha1	9612c288be33438c942ce08db03c8dccb336e87e
sha256	192c885e7b72ec5f313a7f3cb063c200803aebf3dfdffbb8998eb8f38e6188a9
sha512	88abb59497dea69aed769be0495c6b01ea19247982a4c058a3bf40b895819864be830abb0f805af497e0c15b676d506abd73b9b2f19d968da571a8c1222d4a1b
ripemd-160	335351f1270312c976588e65cea10e0cd4384c7b

81091366 as geometric shapes

Circle

Radius = n

Diameter	162182732
Circumference	509512079.39032
Area	2.0658515255631E+16

Sphere

Radius = n

Volume	2.2336362954813E+24
Surface area	8.2634061022523E+16
Circumference	509512079.39032

Square

Length = n

Perimeter	324365464
Area	6575809639745956
Diagonal	114680509.58856

Cube

Length = n

Surface area	39454857838475736
Volume	5.3324138624297E+23
Space diagonal	140454365.96716

Equilateral Triangle

Length = n

Perimeter	243274098
Area	2.8474090992353E+15
Altitude	70227182.983582

Triangular Pyramid

Length = n

Surface area	2.8474090992353E+15
Volume	6.2843100036953E+22
Height	38226836.52952