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

81389062 (number)

81389062 is an even 8-digits composite number following 81389061 and preceding 81389063. In scientific notation, it is written as 8.1389062 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 40694530 positive integers (up to 81389062) that are relatively prime to 81389062.

Interesting facts

81389062 has 4 divisors, whose sum is 122083596
The reverse of 81389062 is 26098318
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	eighty-one million three hundred eighty-nine thousand sixty-two

Notation

Scientific notation	8.1389062 × 10^7
Engineering notation	8.1389062 × 10^6

Prime Factorization of 81389062

Prime Factorization 2 × 40694531

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81389062	Product of the distinct prime numbers

The prime factorization of 81389062 is 2 × 40694531. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 5, 51, 98, 474, 878, 8230, 2128, 20331, 6052, 957321, 764300, 3106514, 423387, 95984976, 54781369, 47536431, 63172859, 173179968, 915912223

Basic calculations (n = 81389062)

Multiplication

n×y

n×2	162778124
n×3	244167186
n×4	325556248
n×5	406945310

Division

n÷y

n÷2	40694531
n÷3	27129687.333333
n÷3	20347265.5
n÷5	16277812.4

Exponentiation

n^y

n²	6624179413239844
n³	5.391357489633E+23
n⁴	4.3879752898791E+31
n⁵	3.5713319292243E+39

Nth Root

^y√n

²√n	9021.5886627578
³√n	433.36651120065
⁴√n	94.982043896506
⁵√n	38.2043846216

Divisors of 81389062

1, 2, 40694531, 81389062

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	-81389061	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 81389062 can be divided by 4 positive divisors. The sum of these divisors (counting 81389062) is 1, the average is 0.25.

Base conversion 81389062

Base	System	Value
2	Binary	100110110011110011000000110
3	Ternary	12200010222210201
4	Quaternary	10312132120012
5	Quinary	131313422222
6	Senary	12024241114
8	Octal	466363006
10	Decimal	81389062
12	Duodecimal	2331019a
16	Hexadecimal	4d9e606
20	Vigesimal	158dcd2
36	Base36	1cgg7a

Cryptographic Hash Functions

md5	2773b1d04e8f2d8460b8ea2152c5531d
sha1	bb51a6be317c8d326fa8fe98933990ffa78c7cbe
sha256	089c9319e92c6d718f74f1f7720851b01168a90629b4478ec2a3c87d87304864
sha512	1f367b0c274f62aa0512f36f393a855d6df339e50b90803d419ae319eb2e57bf0954cd8bac55d8f3e2de29a7bb5e1a151d1ea0a3c4b3a7bfc270146b0c99fbcf
ripemd-160	5c77cc87a0a380299ffb8d0b2e665051789901fa

81389062 as geometric shapes

Circle

Radius = n

Diameter	162778124
Circumference	511382558.52353
Area	2.0810473380695E+16

Sphere

Radius = n

Volume	2.2583265443077E+24
Surface area	8.324189352278E+16
Circumference	511382558.52353

Square

Length = n

Perimeter	325556248
Area	6624179413239844
Diagonal	115101515.30922

Cube

Length = n

Surface area	39745076479439064
Volume	5.391357489633E+23
Space diagonal	140969990.56437

Equilateral Triangle

Length = n

Perimeter	244167186
Area	2.8683538255458E+15
Altitude	70484995.282187

Triangular Pyramid

Length = n

Surface area	2.8683538255458E+15
Volume	6.353775734534E+22
Height	38367171.769742