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

81489073 (number)

81489073 is an odd 8-digits composite number following 81489072 and preceding 81489074. In scientific notation, it is written as 8.1489073 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 81408240 positive integers (up to 81489073) that are relatively prime to 81489073.

Interesting facts

81489073 has 4 divisors, whose sum is 81569908
The reverse of 81489073 is 37098418
Previous prime number is 1021

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

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

Notation

Scientific notation	8.1489073 × 10^7
Engineering notation	8.1489073 × 10^6

Prime Factorization of 81489073

Prime Factorization 1021 × 79813

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81489073	Product of the distinct prime numbers

The prime factorization of 81489073 is 1021 × 79813. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 5, 79, 50, 621, 189, 3680, 1272, 38762, 42913, 979541, 115214, 4185176, 625620, 73071487, 51527348, 832610528, 674759085, 5146657066, 357944032

Basic calculations (n = 81489073)

Multiplication

n×y

n×2	162978146
n×3	244467219
n×4	325956292
n×5	407445365

Division

n÷y

n÷2	40744536.5
n÷3	27163024.333333
n÷3	20372268.25
n÷5	16297814.6

Exponentiation

n^y

n²	6640469018399329
n³	5.4112566459458E+23
n⁴	4.4095828784321E+31
n⁵	3.5933282108011E+39

Nth Root

^y√n

²√n	9027.1298317904
³√n	433.5439456803
⁴√n	95.011208979732
⁵√n	38.213769130942

Divisors of 81489073

1, 1021, 79813, 81489073

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	-81489072	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 81489073 can be divided by 4 positive divisors. The sum of these divisors (counting 81489073) is 1, the average is 0.25.

Base conversion 81489073

Base	System	Value
2	Binary	100110110110110110010110001
3	Ternary	12200100001222211
4	Quaternary	10312312302301
5	Quinary	131330122243
6	Senary	12030332121
8	Octal	466666261
10	Decimal	81489073
12	Duodecimal	2335a041
16	Hexadecimal	4db6cb1
20	Vigesimal	15962dd
36	Base36	1cildd

Cryptographic Hash Functions

md5	aad5c65842d9ac793e0f7ac9d3d03a63
sha1	cd8f359ee3755d396673e34dd0d05bee3a728f82
sha256	05986272283789ba335477bdde154699043401148c38afe0ce7fdfb418a3f417
sha512	83cd50044c9c69681fe76dd2204f82006e033e95f6d0cdd7b2736c4bde621465581ee2604385afa7dd5511439d77d405d9768a849c086aea5583e24b67084060
ripemd-160	d27ba4cd79cd4f70f06f78953d870c0380c170a3

81489073 as geometric shapes

Circle

Radius = n

Diameter	162978146
Circumference	512010946.16928
Area	2.0861648684594E+16

Sphere

Radius = n

Volume	2.2666618834123E+24
Surface area	8.3446594738376E+16
Circumference	512010946.16928

Square

Length = n

Perimeter	325956292
Area	6640469018399329
Diagonal	115242952.22181

Cube

Length = n

Surface area	39842814110395974
Volume	5.4112566459458E+23
Space diagonal	141143214.69769

Equilateral Triangle

Length = n

Perimeter	244467219
Area	2.8754074314887E+15
Altitude	70571607.348845

Triangular Pyramid

Length = n

Surface area	2.8754074314887E+15
Volume	6.3772271151484E+22
Height	38414317.40727