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

81489074 (number)

81489074 is an even 8-digits composite number following 81489073 and preceding 81489075. In scientific notation, it is written as 8.1489074 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 40433380 positive integers (up to 81489074) that are relatively prime to 81489074.

Interesting facts

81489074 has 8 divisors, whose sum is 123167088
The reverse of 81489074 is 47098418
Previous prime number is 131

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	eighty-one million four hundred eighty-nine thousand seventy-four

Notation

Scientific notation	8.1489074 × 10^7
Engineering notation	8.1489074 × 10^6

Prime Factorization of 81489074

Prime Factorization 2 × 131 × 311027

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81489074	Product of the distinct prime numbers

The prime factorization of 81489074 is 2 × 131 × 311027. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 9, 3, 30, 314, 118, 5131, 9056, 74002, 2691, 531055, 378169, 7995844, 9488110, 28102296, 37752499, 93043136, 342415154, 5828755687, 837085824

Basic calculations (n = 81489074)

Multiplication

n×y

n×2	162978148
n×3	244467222
n×4	325956296
n×5	407445370

Division

n÷y

n÷2	40744537
n÷3	27163024.666667
n÷3	20372268.5
n÷5	16297814.8

Exponentiation

n^y

n²	6640469181377476
n³	5.4112568451599E+23
n⁴	4.4095830948824E+31
n⁵	3.5933284312802E+39

Nth Root

^y√n

²√n	9027.129887179
³√n	433.54394745372
⁴√n	95.011209271217
⁵√n	38.21376922473

Divisors of 81489074

1, 2, 131, 262, 311027, 622054, 40744537, 81489074

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	-81489073	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 81489074 can be divided by 8 positive divisors. The sum of these divisors (counting 81489074) is 1, the average is 0.125.

Base conversion 81489074

Base	System	Value
2	Binary	100110110110110110010110010
3	Ternary	12200100001222212
4	Quaternary	10312312302302
5	Quinary	131330122244
6	Senary	12030332122
8	Octal	466666262
10	Decimal	81489074
12	Duodecimal	2335a042
16	Hexadecimal	4db6cb2
20	Vigesimal	15962de
36	Base36	1cilde

Cryptographic Hash Functions

md5	c99d230e8c5f95117529c4c3417a8204
sha1	d7b596b9fb4f3c79a2ff2a4690e86b6bd2836050
sha256	518c70e9ea36e80e662b822b15f1002853d03094e0c20163e6aba2544902a384
sha512	c46f5032dcd787534cfd7146b100b422f9373958850c3e2dc9e149ea9a5a64bb115a8ea5f524d696ffcfe40bd35435ae1410be27f284277d2c7596b585529941
ripemd-160	7fac669bc0fb8f4501dddf3ccf6288bb4f0fb63b

81489074 as geometric shapes

Circle

Radius = n

Diameter	162978148
Circumference	512010952.45247
Area	2.0861649196605E+16

Sphere

Radius = n

Volume	2.2666619668589E+24
Surface area	8.344659678642E+16
Circumference	512010952.45247

Square

Length = n

Perimeter	325956296
Area	6640469181377476
Diagonal	115242953.63602

Cube

Length = n

Surface area	39842815088264856
Volume	5.4112568451599E+23
Space diagonal	141143216.42974

Equilateral Triangle

Length = n

Perimeter	244467222
Area	2.8754075020603E+15
Altitude	70571608.21487

Triangular Pyramid

Length = n

Surface area	2.8754075020603E+15
Volume	6.3772273499245E+22
Height	38414317.878675