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

81488081 (number)

81488081 is an odd 8-digits prime number following 81488080 and preceding 81488082. In scientific notation, it is written as 8.1488081 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 81488080 positive integers (up to 81488081) that are relatively prime to 81488081.

Interesting facts

81488081 has 2 divisors, whose sum is 81488082
The reverse of 81488081 is 18088418
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	eighty-one million four hundred eighty-eight thousand eighty-one

Notation

Scientific notation	8.1488081 × 10^7
Engineering notation	8.1488081 × 10^6

Prime Factorization of 81488081

Prime Factorization 81488081

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	81488081	Product of the distinct prime numbers

The prime factorization of 81488081 is 81488081. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 3, 57, 31, 329, 576, 5050, 7805, 7469, 40836, 846059, 780834, 3285116, 7595633, 14543814, 87611430, 97163394, 871326718, 1711477865, 6651489973

Basic calculations (n = 81488081)

Multiplication

n×y

n×2	162976162
n×3	244464243
n×4	325952324
n×5	407440405

Division

n÷y

n÷2	40744040.5
n÷3	27162693.666667
n÷3	20372020.25
n÷5	16297616.2

Exponentiation

n^y

n²	6640307345062561
n³	5.4110590279935E+23
n⁴	4.4093681636892E+31
n⁵	3.5931095008153E+39

Nth Root

^y√n

²√n	9027.0748861411
³√n	433.54218643691
⁴√n	95.010919825782
⁵√n	38.213676092103

Divisors of 81488081

1, 81488081

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	81488082	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	40744041	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	9027.0749415301	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999754565	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81488081 can be divided by 2 positive divisors. The sum of these divisors (counting 81488081) is 81488082, the average is 40744041.

Base conversion 81488081

Base	System	Value
2	Binary	100110110110110100011010001
3	Ternary	12200100000122002
4	Quaternary	10312312203101
5	Quinary	131330104311
6	Senary	12030323345
8	Octal	466664321
10	Decimal	81488081
12	Duodecimal	23359555
16	Hexadecimal	4db68d1
20	Vigesimal	1596041
36	Base36	1ciklt

Cryptographic Hash Functions

md5	d9918110d3f4cd85a883514c7a1939d0
sha1	aa2c6f2538119b40fc69f0bde3b1bc081f283d26
sha256	204676c1802cc127581d4a94497245a6645f89b68dfed43b1624a5745668b234
sha512	99bbe016435d563959213e8b1831e02c28203148e086d451288228f3cbb1538251b383884dd1a9cc66782c8736367f88c8dcb32b00992afaf975e183d73f739f
ripemd-160	6b984969620d7b47dca7b77649a3d9d41391fd4a

81488081 as geometric shapes

Circle

Radius = n

Diameter	162976162
Circumference	512004713.24946
Area	2.0861140772827E+16

Sphere

Radius = n

Volume	2.266579105398E+24
Surface area	8.3444563091308E+16
Circumference	512004713.24946

Square

Length = n

Perimeter	325952324
Area	6640307345062561
Diagonal	115241549.32196

Cube

Length = n

Surface area	39841844070375366
Volume	5.4110590279935E+23
Space diagonal	141141496.50329

Equilateral Triangle

Length = n

Perimeter	244464243
Area	2.8753374248803E+15
Altitude	70570748.251644

Triangular Pyramid

Length = n

Surface area	2.8753374248803E+15
Volume	6.3769942201582E+22
Height	38413849.773986