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

81444037 (number)

81444037 is an odd 8-digits composite number following 81444036 and preceding 81444038. In scientific notation, it is written as 8.1444037 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 78090480 positive integers (up to 81444037) that are relatively prime to 81444037.

Interesting facts

81444037 has 8 divisors, whose sum is 84846080
The reverse of 81444037 is 73044418
Previous prime number is 109

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	eighty-one million four hundred forty-four thousand thirty-seven

Notation

Scientific notation	8.1444037 × 10^7
Engineering notation	8.1444037 × 10^6

Prime Factorization of 81444037

Prime Factorization 31 × 109 × 24103

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81444037	Product of the distinct prime numbers

The prime factorization of 81444037 is 31 × 109 × 24103. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 7, 50, 7, 73, 378, 1360, 7595, 96804, 56389, 60489, 560854, 1374585, 7712886, 9434463, 66934176, 453052452, 460448922, 9389864902, 1458028134

Basic calculations (n = 81444037)

Multiplication

n×y

n×2	162888074
n×3	244332111
n×4	325776148
n×5	407220185

Division

n÷y

n÷2	40722018.5
n÷3	27148012.333333
n÷3	20361009.25
n÷5	16288807.4

Exponentiation

n^y

n²	6633131162857369
n³	5.4022897985361E+23
n⁴	4.399842902367E+31
n⁵	3.5834096813456E+39

Nth Root

^y√n

²√n	9024.6350064698
³√n	433.46406305533
⁴√n	94.998078961997
⁵√n	38.209544329206

Divisors of 81444037

1, 31, 109, 3379, 24103, 747193, 2627227, 81444037

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	-81444036	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 81444037 can be divided by 8 positive divisors. The sum of these divisors (counting 81444037) is 1, the average is 0.125.

Base conversion 81444037

Base	System	Value
2	Binary	100110110101011110011000101
3	Ternary	12200020210012211
4	Quaternary	10312223303011
5	Quinary	131322202122
6	Senary	12025343421
8	Octal	466536305
10	Decimal	81444037
12	Duodecimal	23337b71
16	Hexadecimal	4dabcc5
20	Vigesimal	1590a1h
36	Base36	1chmmd

Cryptographic Hash Functions

md5	f4141a6234e08282ae111c3caababf00
sha1	a569b9d79281840738228840ac6f532ea16a88af
sha256	515976af7ff983eee58d52d638d2fffff3ff47d7f063a4d52bcc98b53eed49c7
sha512	a36bfc5044421d58dffc98426a882cb2fd22080f9dd1086bf712d2428aeb6a5ce5f7d3cbc4be4e308384ad8bd97344037132812ba5ca0472537a0f557bca2f2f
ripemd-160	ea6bd801a1ebe00b9515af62663115ff5231b6f3

81444037 as geometric shapes

Circle

Radius = n

Diameter	162888074
Circumference	511727976.63579
Area	2.083859613153E+16

Sphere

Radius = n

Volume	2.2629058591525E+24
Surface area	8.3354384526121E+16
Circumference	511727976.63579

Square

Length = n

Perimeter	325776148
Area	6633131162857369
Diagonal	115179261.69982

Cube

Length = n

Surface area	39798786977144214
Volume	5.4022897985361E+23
Space diagonal	141065210.05752

Equilateral Triangle

Length = n

Perimeter	244332111
Area	2.8722300468343E+15
Altitude	70532605.02876

Triangular Pyramid

Length = n

Surface area	2.8722300468343E+15
Volume	6.366659584133E+22
Height	38393087.233272