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

81493670 (number)

81493670 is an even 8-digits composite number following 81493669 and preceding 81493671. In scientific notation, it is written as 8.1493670 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 32597464 positive integers (up to 81493670) that are relatively prime to 81493670.

Interesting facts

81493670 has 8 divisors, whose sum is 146688624
The reverse of 81493670 is 07639418
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	eighty-one million four hundred ninety-three thousand six hundred seventy

Notation

Scientific notation	8.1493670 × 10^7
Engineering notation	8.1493670 × 10^6

Prime Factorization of 81493670

Prime Factorization 2 × 5 × 8149367

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81493670	Product of the distinct prime numbers

The prime factorization of 81493670 is 2 × 5 × 8149367. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 5, 90, 48, 770, 571, 2280, 166, 20534, 89143, 255571, 771727, 8088979, 7190063, 54941978, 72154548, 541949378, 389044731, 970937352, 7482247381

Basic calculations (n = 81493670)

Multiplication

n×y

n×2	162987340
n×3	244481010
n×4	325974680
n×5	407468350

Division

n÷y

n÷2	40746835
n÷3	27164556.666667
n÷3	20373417.5
n÷5	16298734

Exponentiation

n^y

n²	6641218250068900
n³	5.4121724846909E+23
n⁴	4.4105779845048E+31
n⁵	3.594341867785E+39

Nth Root

^y√n

²√n	9027.3844495513
³√n	433.55209795548
⁴√n	95.012548905664
⁵√n	38.214200267845

Divisors of 81493670

1, 2, 5, 10, 8149367, 16298734, 40746835, 81493670

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	-81493669	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 81493670 can be divided by 8 positive divisors. The sum of these divisors (counting 81493670) is 1, the average is 0.125.

Base conversion 81493670

Base	System	Value
2	Binary	100110110110111111010100110
3	Ternary	12200100022022002
4	Quaternary	10312313322212
5	Quinary	131330244140
6	Senary	12030405302
8	Octal	466677246
10	Decimal	81493670
12	Duodecimal	23360832
16	Hexadecimal	4db7ea6
20	Vigesimal	1596e3a
36	Base36	1ciox2

Cryptographic Hash Functions

md5	e3a587a7f2d665c7608b907720d015d6
sha1	0bdaf05490c4d2f7fde1eb951afca690570fba8f
sha256	1876c22a8feeb374cc1432a43f5f10f92185c6e52f6335d26b148d96c14eb8ce
sha512	17bec14ebfa0e9d0f6bc27599c4798d2db2b3f12c13cb31d62c58aab4bd3376df40c647eba405ae5528e6b94d3f4923b73bfd6dac25a4a9ef6a08cb86ad474b0
ripemd-160	0976a6750fe93a89d5bc03b76e216b95e51d36dd

81493670 as geometric shapes

Circle

Radius = n

Diameter	162987340
Circumference	512039829.97214
Area	2.0864002465303E+16

Sphere

Radius = n

Volume	2.2670455090488E+24
Surface area	8.3456009861212E+16
Circumference	512039829.97214

Square

Length = n

Perimeter	325974680
Area	6641218250068900
Diagonal	115249453.36156

Cube

Length = n

Surface area	39847309500413400
Volume	5.4121724846909E+23
Space diagonal	141151176.93525

Equilateral Triangle

Length = n

Perimeter	244481010
Area	2.8757318583183E+15
Altitude	70575588.467626

Triangular Pyramid

Length = n

Surface area	2.8757318583183E+15
Volume	6.3783064414603E+22
Height	38416484.453852