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

81738231 (number)

81738231 is an odd 8-digits composite number following 81738230 and preceding 81738232. In scientific notation, it is written as 8.1738231 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 53598720 positive integers (up to 81738231) that are relatively prime to 81738231.

Interesting facts

81738231 has 8 divisors, whose sum is 110771184
The reverse of 81738231 is 13283718
Previous prime number is 61

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	eighty-one million seven hundred thirty-eight thousand two hundred thirty-one

Notation

Scientific notation	8.1738231 × 10^7
Engineering notation	8.1738231 × 10^6

Prime Factorization of 81738231

Prime Factorization 3 × 61 × 446657

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81738231	Product of the distinct prime numbers

The prime factorization of 81738231 is 3 × 61 × 446657. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 3, 74, 71, 56, 840, 6533, 4134, 17857, 8673, 741330, 685183, 685188, 4036594, 59054704, 35771537, 591766779, 525755801, 3864764947, 9618097535

Basic calculations (n = 81738231)

Multiplication

n×y

n×2	163476462
n×3	245214693
n×4	326952924
n×5	408691155

Division

n÷y

n÷2	40869115.5
n÷3	27246077
n÷3	20434557.75
n÷5	16347646.2

Exponentiation

n^y

n²	6681138407009361
n³	5.461044344551E+23
n⁴	4.4637610413616E+31
n⁵	3.6485993112761E+39

Nth Root

^y√n

²√n	9040.9198093999
³√n	433.98535879027
⁴√n	95.083751553038
⁵√n	38.237108807063

Divisors of 81738231

1, 3, 61, 183, 446657, 1339971, 27246077, 81738231

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	-81738230	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 81738231 can be divided by 8 positive divisors. The sum of these divisors (counting 81738231) is 1, the average is 0.125.

Base conversion 81738231

Base	System	Value
2	Binary	100110111110011100111110111
3	Ternary	12200210201202220
4	Quaternary	10313303213313
5	Quinary	131411110411
6	Senary	12035533423
8	Octal	467634767
10	Decimal	81738231
12	Duodecimal	2345a273
16	Hexadecimal	4df39f7
20	Vigesimal	15ah5bb
36	Base36	1cnxmf

Cryptographic Hash Functions

md5	9b7ea0fb3ceaae5db0503c52962bebbc
sha1	f0bc9b09a6a9f680217db5e7f4fdb35fc1545017
sha256	1995dfda3c904a8cd01c829c36c04163c61b407160f75de82a11e68a4b15f56a
sha512	29fbce2bb90cdeb27c03ccc55c3807cf3f2b15c398b3e0e7b7a345b5293ca06682cfd7e9f5d1ef6a605bfd94d72b10a295e5f7de54ce1926555995e20f657a3a
ripemd-160	526bc802f9c5d761d6f16fec5d9a11e653f39867

81738231 as geometric shapes

Circle

Radius = n

Diameter	163476462
Circumference	513576452.05405
Area	2.0989415337077E+16

Sphere

Radius = n

Volume	2.2875169058359E+24
Surface area	8.3957661348309E+16
Circumference	513576452.05405

Square

Length = n

Perimeter	326952924
Area	6681138407009361
Diagonal	115595314.84458

Cube

Length = n

Surface area	40086830442056166
Volume	5.461044344551E+23
Space diagonal	141574769.0128

Equilateral Triangle

Length = n

Perimeter	245214693
Area	2.893017793335E+15
Altitude	70787384.506401

Triangular Pyramid

Length = n

Surface area	2.893017793335E+15
Volume	6.4359024806541E+22
Height	38531771.614862