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

81162009 (number)

81162009 is an odd 8-digits composite number following 81162008 and preceding 81162010. In scientific notation, it is written as 8.1162009 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 51755352 positive integers (up to 81162009) that are relatively prime to 81162009.

Interesting facts

81162009 has 12 divisors, whose sum is 122331456
The reverse of 81162009 is 90026118
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	eighty-one million one hundred sixty-two thousand nine

Notation

Scientific notation	8.1162009 × 10^7
Engineering notation	8.1162009 × 10^6

Prime Factorization of 81162009

Prime Factorization 3 × 23 × 3 × 392087

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	27054003	Product of the distinct prime numbers

The prime factorization of 81162009 is 3 × 23 × 3 × 392087. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 3, 58, 5, 517, 639, 211, 1091, 14672, 95083, 900173, 398820, 6952331, 412847, 71404425, 30516282, 8360191, 688633265, 932283378, 7616723942

Basic calculations (n = 81162009)

Multiplication

n×y

n×2	162324018
n×3	243486027
n×4	324648036
n×5	405810045

Division

n÷y

n÷2	40581004.5
n÷3	27054003
n÷3	20290502.25
n÷5	16232401.8

Exponentiation

n^y

n²	6587271704916081
n³	5.3463620539984E+23
n⁴	4.3392148514388E+31
n⁵	3.5217939482541E+39

Nth Root

^y√n

²√n	9008.9960039951
³√n	432.96314492339
⁴√n	94.915731067063
⁵√n	38.183044859582

Divisors of 81162009

1, 3, 9, 23, 69, 207, 392087, 1176261, 3528783, 9018001, 27054003, 81162009

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81162008	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81162009 can be divided by 12 positive divisors. The sum of these divisors (counting 81162009) is 1, the average is 0.083333333333333.

Base conversion 81162009

Base	System	Value
2	Binary	100110101100110111100011001
3	Ternary	12122201110100100
4	Quaternary	10311212330121
5	Quinary	131234141014
6	Senary	12015330013
8	Octal	465467431
10	Decimal	81162009
12	Duodecimal	23220909
16	Hexadecimal	4d66f19
20	Vigesimal	1575509
36	Base36	1cbl09

Cryptographic Hash Functions

md5	1f3f11146fb3e7a1388eaeeaf8a1bbf8
sha1	1d89c774e35e3d84ec353b2f652e4a699823335e
sha256	ca7f1802457f43e344e1ec891e8e063ee6a36905013264dc32fba7a7448e2554
sha512	562e59e1a7cf1b19bbd266ec908e814fc31aee93fa8fc51e8bc1726c3758661e7ec7ca4e8df7fe3187990118e1cd9fd2822f88226cc8e98a289207e8cb1abc6a
ripemd-160	db1122aca0fd5408075b3254f1b6e47f282f8a18

81162009 as geometric shapes

Circle

Radius = n

Diameter	162324018
Circumference	509955942.44998
Area	2.0694524395364E+16

Sphere

Radius = n

Volume	2.239478900303E+24
Surface area	8.2778097581457E+16
Circumference	509955942.44998

Square

Length = n

Perimeter	324648036
Area	6587271704916081
Diagonal	114780413.87725

Cube

Length = n

Surface area	39523630229496486
Volume	5.3463620539984E+23
Space diagonal	140576723.23236

Equilateral Triangle

Length = n

Perimeter	243486027
Area	2.8523723190439E+15
Altitude	70288361.616181

Triangular Pyramid

Length = n

Surface area	2.8523723190439E+15
Volume	6.3007481051012E+22
Height	38260137.959082