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

81109009 (number)

81109009 is an odd 8-digits composite number following 81109008 and preceding 81109010. In scientific notation, it is written as 8.1109009 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 81060160 positive integers (up to 81109009) that are relatively prime to 81109009.

Interesting facts

81109009 has 4 divisors, whose sum is 81157860
The reverse of 81109009 is 90090118
Previous prime number is 1721

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	eighty-one million one hundred nine thousand nine

Notation

Scientific notation	8.1109009 × 10^7
Engineering notation	8.1109009 × 10^6

Prime Factorization of 81109009

Prime Factorization 1721 × 47129

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81109009	Product of the distinct prime numbers

The prime factorization of 81109009 is 1721 × 47129. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 2, 26, 67, 182, 15, 8496, 9407, 24735, 15689, 68734, 232717, 2953167, 8692800, 63430483, 79711763, 276881674, 438781933, 6335369457, 1554725585

Basic calculations (n = 81109009)

Multiplication

n×y

n×2	162218018
n×3	243327027
n×4	324436036
n×5	405545045

Division

n÷y

n÷2	40554504.5
n÷3	27036336.333333
n÷3	20277252.25
n÷5	16221801.8

Exponentiation

n^y

n²	6578671340962081
n³	5.3358951300214E+23
n⁴	4.3278916612396E+31
n⁵	3.5103100370251E+39

Nth Root

^y√n

²√n	9006.0540193805
³√n	432.86888060893
⁴√n	94.900231924798
⁵√n	38.178056737153

Divisors of 81109009

1, 1721, 47129, 81109009

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	-81109008	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 81109009 can be divided by 4 positive divisors. The sum of these divisors (counting 81109009) is 1, the average is 0.25.

Base conversion 81109009

Base	System	Value
2	Binary	100110101011010000000010001
3	Ternary	12122121202122101
4	Quaternary	10311122000101
5	Quinary	131230442014
6	Senary	12014240401
8	Octal	465320021
10	Decimal	81109009
12	Duodecimal	231b6101
16	Hexadecimal	4d5a011
20	Vigesimal	156ica9
36	Base36	1cag41

Cryptographic Hash Functions

md5	2609bf7e3a92ff9f477954c7eec5ed93
sha1	53c0d522f06f79e6cc56946886b7ad5f38a9859d
sha256	85812f5c5cbfa41a1091f73314e7fe27da044bdfdd5df6a572a4bb587f70952e
sha512	b2d996800d9cc04302bfa6722b40b7e058a4404bc7434233252da4439aa9e0014d730907a60e8b1ef6a310068a12eba750cc9a7f87be0dbb412c4247162cc6bf
ripemd-160	dd2487a35629736e96179d2e571953ac9f477686

81109009 as geometric shapes

Circle

Radius = n

Diameter	162218018
Circumference	509622933.6287
Area	2.0667505555148E+16

Sphere

Radius = n

Volume	2.2350945254401E+24
Surface area	8.2670022220593E+16
Circumference	509622933.6287

Square

Length = n

Perimeter	324436036
Area	6578671340962081
Diagonal	114705460.55844

Cube

Length = n

Surface area	39472028045772486
Volume	5.3358951300214E+23
Space diagonal	140484924.53956

Equilateral Triangle

Length = n

Perimeter	243327027
Area	2.8486482522109E+15
Altitude	70242462.269781

Triangular Pyramid

Length = n

Surface area	2.8486482522109E+15
Volume	6.2884127168973E+22
Height	38235153.51948