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

81489358 (number)

81489358 is an even 8-digits composite number following 81489357 and preceding 81489359. In scientific notation, it is written as 8.1489358 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 40744678 positive integers (up to 81489358) that are relatively prime to 81489358.

Interesting facts

81489358 has 4 divisors, whose sum is 122234040
The reverse of 81489358 is 85398418
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1

Name

Name	eighty-one million four hundred eighty-nine thousand three hundred fifty-eight

Notation

Scientific notation	8.1489358 × 10^7
Engineering notation	8.1489358 × 10^6

Prime Factorization of 81489358

Prime Factorization 2 × 40744679

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81489358	Product of the distinct prime numbers

The prime factorization of 81489358 is 2 × 40744679. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 6, 41, 44, 622, 962, 1245, 619, 96726, 97105, 622667, 746105, 7260672, 4317257, 61513610, 72973613, 663157232, 468664263, 6198690427, 3592472886

Basic calculations (n = 81489358)

Multiplication

n×y

n×2	162978716
n×3	244468074
n×4	325957432
n×5	407446790

Division

n÷y

n÷2	40744679
n÷3	27163119.333333
n÷3	20372339.5
n÷5	16297871.6

Exponentiation

n^y

n²	6640515467252164
n³	5.4113134221545E+23
n⁴	4.4096445670815E+31
n⁵	3.5933910477966E+39

Nth Root

^y√n

²√n	9027.145617525
³√n	433.54445110545
⁴√n	95.011292052708
⁵√n	38.213795860682

Divisors of 81489358

1, 2, 40744679, 81489358

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	-81489357	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 81489358 can be divided by 4 positive divisors. The sum of these divisors (counting 81489358) is 1, the average is 0.25.

Base conversion 81489358

Base	System	Value
2	Binary	100110110110110110111001110
3	Ternary	12200100002101101
4	Quaternary	10312312313032
5	Quinary	131330124413
6	Senary	12030333314
8	Octal	466666716
10	Decimal	81489358
12	Duodecimal	2335a23a
16	Hexadecimal	4db6dce
20	Vigesimal	159637i
36	Base36	1cilla

Cryptographic Hash Functions

md5	fafd5a98e8133e917403830b6bfcae6e
sha1	24f5c5831e8f9f63e98d3c4e03ad887396fda2de
sha256	c9887fb2477adb0f9c40b8b13dfc0fa3e7a34bc823c505d431a98b508680fe43
sha512	65bda14b20f20192f42b1e45ffdcfda2cdaad7489235d00ef7553c2596176d8722d3a6936cd1e19f797b3d5497b7581287b63f7ca41ca384e41a2cdf30455d92
ripemd-160	83114e8db5a28a30b6c6a6b4292d3731f6c2f9e2

81489358 as geometric shapes

Circle

Radius = n

Diameter	162978716
Circumference	512012736.8771
Area	2.0861794607969E+16

Sphere

Radius = n

Volume	2.266685665775E+24
Surface area	8.3447178431875E+16
Circumference	512012736.8771

Square

Length = n

Perimeter	325957432
Area	6640515467252164
Diagonal	115243355.27268

Cube

Length = n

Surface area	39843092803512984
Volume	5.4113134221545E+23
Space diagonal	141143708.33217

Equilateral Triangle

Length = n

Perimeter	244468074
Area	2.8754275444319E+15
Altitude	70571854.166085

Triangular Pyramid

Length = n

Surface area	2.8754275444319E+15
Volume	6.377294026552E+22
Height	38414451.757559