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

81072589 (number)

81072589 is an odd 8-digits composite number following 81072588 and preceding 81072590. In scientific notation, it is written as 8.1072589 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 74836224 positive integers (up to 81072589) that are relatively prime to 81072589.

Interesting facts

81072589 has 4 divisors, whose sum is 87308956
The reverse of 81072589 is 98527018
Previous prime number is 13

Basic properties

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

Name

Name	eighty-one million seventy-two thousand five hundred eighty-nine

Notation

Scientific notation	8.1072589 × 10^7
Engineering notation	8.1072589 × 10^6

Prime Factorization of 81072589

Prime Factorization 13 × 6236353

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81072589	Product of the distinct prime numbers

The prime factorization of 81072589 is 13 × 6236353. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 4, 17, 73, 255, 819, 5001, 7522, 32512, 26855, 574019, 832223, 466384, 8041603, 79624120, 15207467, 928431345, 314995276, 2190518979, 2526097603

Basic calculations (n = 81072589)

Multiplication

n×y

n×2	162145178
n×3	243217767
n×4	324290356
n×5	405362945

Division

n÷y

n÷2	40536294.5
n÷3	27024196.333333
n÷3	20268147.25
n÷5	16214517.8

Exponentiation

n^y

n²	6572764687162921
n³	5.3287105007607E+23
n⁴	4.3201235632816E+31
n⁵	3.5024360207514E+39

Nth Root

^y√n

²√n	9004.0318191352
³√n	432.80408121095
⁴√n	94.889576978377
⁵√n	38.174627538229

Divisors of 81072589

1, 13, 6236353, 81072589

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	-81072588	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 81072589 can be divided by 4 positive divisors. The sum of these divisors (counting 81072589) is 1, the average is 0.25.

Base conversion 81072589

Base	System	Value
2	Binary	100110101010001000111001101
3	Ternary	12122112220200111
4	Quaternary	10311101013031
5	Quinary	131223310324
6	Senary	12013400021
8	Octal	465210715
10	Decimal	81072589
12	Duodecimal	23199011
16	Hexadecimal	4d511cd
20	Vigesimal	156e199
36	Base36	1c9o0d

Cryptographic Hash Functions

md5	0ee8895928cef26fd17cff3edba9475f
sha1	ebd30b1743cbdc940153cb2c98e73cd683e7a87a
sha256	478c9ca9bf92a558097fc7de34e13a77287853a951b0e7bfbd95874bbef378bd
sha512	12b2889f57ee003a43c260b250f97c80c90d1eebfd4a75419d8d0d4add08a6508ffdeef13db96cb7ba05baa84cf12f3480570487119905d847581d0bec6ea1ec
ripemd-160	e95ebf9ad8876c15dd9d8bb553561986140a8cab

81072589 as geometric shapes

Circle

Radius = n

Diameter	162145178
Circumference	509394100.01981
Area	2.0648949254965E+16

Sphere

Radius = n

Volume	2.2320850349729E+24
Surface area	8.2595797019862E+16
Circumference	509394100.01981

Square

Length = n

Perimeter	324290356
Area	6572764687162921
Diagonal	114653954.9005

Cube

Length = n

Surface area	39436588122977526
Volume	5.3287105007607E+23
Space diagonal	140421843.24915

Equilateral Triangle

Length = n

Perimeter	243217767
Area	2.8460905960902E+15
Altitude	70210921.624575

Triangular Pyramid

Length = n

Surface area	2.8460905960902E+15
Volume	6.2799455501131E+22
Height	38217984.966833