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

81109849 (number)

81109849 is an odd 8-digits composite number following 81109848 and preceding 81109850. In scientific notation, it is written as 8.1109849 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 79131520 positive integers (up to 81109849) that are relatively prime to 81109849.

Interesting facts

81109849 has 4 divisors, whose sum is 83088180
The reverse of 81109849 is 94890118
Previous prime number is 41

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	eighty-one million one hundred nine thousand eight hundred forty-nine

Notation

Scientific notation	8.1109849 × 10^7
Engineering notation	8.1109849 × 10^6

Prime Factorization of 81109849

Prime Factorization 41 × 1978289

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81109849	Product of the distinct prime numbers

The prime factorization of 81109849 is 41 × 1978289. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 4, 33, 31, 637, 46, 4334, 9822, 74629, 51189, 972251, 434926, 5294605, 9207095, 96304820, 17642996, 66509210, 394404738, 7576738285, 6721208781

Basic calculations (n = 81109849)

Multiplication

n×y

n×2	162219698
n×3	243329547
n×4	324439396
n×5	405549245

Division

n÷y

n÷2	40554924.5
n÷3	27036616.333333
n÷3	20277462.25
n÷5	16221969.8

Exponentiation

n^y

n²	6578807604802801
n³	5.3360609142561E+23
n⁴	4.3280709501011E+31
n⁵	3.5104918122399E+39

Nth Root

^y√n

²√n	9006.1006545563
³√n	432.87037492959
⁴√n	94.900477630812
⁵√n	38.178135814521

Divisors of 81109849

1, 41, 1978289, 81109849

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	-81109848	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 81109849 can be divided by 4 positive divisors. The sum of these divisors (counting 81109849) is 1, the average is 0.25.

Base conversion 81109849

Base	System	Value
2	Binary	100110101011010001101011001
3	Ternary	12122121210210111
4	Quaternary	10311122031121
5	Quinary	131231003344
6	Senary	12014244321
8	Octal	465321531
10	Decimal	81109849
12	Duodecimal	231b66a1
16	Hexadecimal	4d5a359
20	Vigesimal	156iec9
36	Base36	1cagrd

Cryptographic Hash Functions

md5	59b183867d2a57a795e0042301354277
sha1	9c6092dbff08a3cede18715b66d777935777373e
sha256	640b134b6272d63fe90777aa26c48fbb5e6d30e5b68b3ae0cac504730745ac27
sha512	513c935c7728bb5fb6b6cb05c46b49de36e3fe0d4e63c570babfd23484c01384ef8748188dc0a210d1957b41598c9321864e1c601fefecfa032ca2157353c65c
ripemd-160	54fb3f36f9f99a9ceb7364a7d5af8ddeb0fabe80

81109849 as geometric shapes

Circle

Radius = n

Diameter	162219698
Circumference	509628211.50435
Area	2.0667933640629E+16

Sphere

Radius = n

Volume	2.2351639689779E+24
Surface area	8.2671734562517E+16
Circumference	509628211.50435

Square

Length = n

Perimeter	324439396
Area	6578807604802801
Diagonal	114706648.49783

Cube

Length = n

Surface area	39472845628816806
Volume	5.3360609142561E+23
Space diagonal	140486379.46224

Equilateral Triangle

Length = n

Perimeter	243329547
Area	2.8487072561847E+15
Altitude	70243189.73112

Triangular Pyramid

Length = n

Surface area	2.8487072561847E+15
Volume	6.2886080954916E+22
Height	38235549.499278