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

81493089 (number)

81493089 is an odd 8-digits composite number following 81493088 and preceding 81493090. In scientific notation, it is written as 8.1493089 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 54328724 positive integers (up to 81493089) that are relatively prime to 81493089.

Interesting facts

81493089 has 4 divisors, whose sum is 108657456
The reverse of 81493089 is 98039418
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	eighty-one million four hundred ninety-three thousand eighty-nine

Notation

Scientific notation	8.1493089 × 10^7
Engineering notation	8.1493089 × 10^6

Prime Factorization of 81493089

Prime Factorization 3 × 27164363

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81493089	Product of the distinct prime numbers

The prime factorization of 81493089 is 3 × 27164363. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 2, 24, 17, 529, 894, 3808, 6581, 74566, 23277, 874927, 573592, 7787378, 2934979, 54033229, 35454762, 607478301, 360881510, 8924321943, 8382054211

Basic calculations (n = 81493089)

Multiplication

n×y

n×2	162986178
n×3	244479267
n×4	325972356
n×5	407465445

Division

n÷y

n÷2	40746544.5
n÷3	27164363
n÷3	20373272.25
n÷5	16298617.8

Exponentiation

n^y

n²	6641123554761921
n³	5.4120567290821E+23
n⁴	4.4104522069614E+31
n⁵	3.5942137423215E+39

Nth Root

^y√n

²√n	9027.3522696303
³√n	433.55106763265
⁴√n	95.012379559878
⁵√n	38.214145778916

Divisors of 81493089

1, 3, 27164363, 81493089

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	-81493088	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 81493089 can be divided by 4 positive divisors. The sum of these divisors (counting 81493089) is 1, the average is 0.25.

Base conversion 81493089

Base	System	Value
2	Binary	100110110110111110001100001
3	Ternary	12200100021111120
4	Quaternary	10312313301201
5	Quinary	131330234324
6	Senary	12030402453
8	Octal	466676141
10	Decimal	81493089
12	Duodecimal	23360429
16	Hexadecimal	4db7c61
20	Vigesimal	1596ce9
36	Base36	1ciogx

Cryptographic Hash Functions

md5	ee811b8f823316c7adc7a17371f44394
sha1	bad5a94a6203915c0c9e8394939ad270c1649fa1
sha256	18e8696df534d20d4655ec22c06e0ec91723cc273b420abb38aa406d0a4b006f
sha512	a52cb73e05683fcb2215a6828c24cb3a1a9cd7411c1d2f81b3f90d3dfe520e6cc669102c5d4b738ff475d7e689ff38110b17d98a831f7ff20056040064056bc5
ripemd-160	e69bb859fc5e54f8d6733db2bf7e6c8047d61001

81493089 as geometric shapes

Circle

Radius = n

Diameter	162986178
Circumference	512036179.44148
Area	2.0863704971222E+16

Sphere

Radius = n

Volume	2.2669970214527E+24
Surface area	8.3454819884889E+16
Circumference	512036179.44148

Square

Length = n

Perimeter	325972356
Area	6641123554761921
Diagonal	115248631.70348

Cube

Length = n

Surface area	39846741328571526
Volume	5.4120567290821E+23
Space diagonal	141150170.61373

Equilateral Triangle

Length = n

Perimeter	244479267
Area	2.8756908540475E+15
Altitude	70575085.306866

Triangular Pyramid

Length = n

Surface area	2.8756908540475E+15
Volume	6.3781700221671E+22
Height	38416210.567826