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

81497849 (number)

81497849 is an odd 8-digits composite number following 81497848 and preceding 81497850. In scientific notation, it is written as 8.1497849 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 81459840 positive integers (up to 81497849) that are relatively prime to 81497849.

Interesting facts

81497849 has 4 divisors, whose sum is 81535860
The reverse of 81497849 is 94879418
Previous prime number is 2281

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5

Name

Name	eighty-one million four hundred ninety-seven thousand eight hundred forty-nine

Notation

Scientific notation	8.1497849 × 10^7
Engineering notation	8.1497849 × 10^6

Prime Factorization of 81497849

Prime Factorization 2281 × 35729

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81497849	Product of the distinct prime numbers

The prime factorization of 81497849 is 2281 × 35729. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 3, 88, 81, 258, 309, 9984, 6119, 21471, 79916, 422349, 443564, 7651694, 4022398, 62169856, 37463896, 697803422, 851314836, 766480859, 5808928696

Basic calculations (n = 81497849)

Multiplication

n×y

n×2	162995698
n×3	244493547
n×4	325991396
n×5	407489245

Division

n÷y

n÷2	40748924.5
n÷3	27165949.666667
n÷3	20374462.25
n÷5	16299569.8

Exponentiation

n^y

n²	6641899391626801
n³	5.4130051369199E+23
n⁴	4.4114827528492E+31
n⁵	3.5952635525781E+39

Nth Root

^y√n

²√n	9027.6159089762
³√n	433.5595086875
⁴√n	95.01376694446
⁵√n	38.214592185075

Divisors of 81497849

1, 2281, 35729, 81497849

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	-81497848	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 81497849 can be divided by 4 positive divisors. The sum of these divisors (counting 81497849) is 1, the average is 0.25.

Base conversion 81497849

Base	System	Value
2	Binary	100110110111000111011111001
3	Ternary	12200100112000212
4	Quaternary	10312320323321
5	Quinary	131330412344
6	Senary	12030440505
8	Octal	466707371
10	Decimal	81497849
12	Duodecimal	23363135
16	Hexadecimal	4db8ef9
20	Vigesimal	15974c9
36	Base36	1cis55

Cryptographic Hash Functions

md5	e6b67380921677401fc931e8e4f36c61
sha1	f73b054b7dfba853778baad27455a9bdaa84df84
sha256	1808bacd44212b4129eb6c56e2bdf29a0641efceacce471c17a9bc121c2e9094
sha512	19de150cd3ec713ed31b994252c8ec4e8f00718cb06f33de06c00f3ccc8297d14b2c9e3d7b9399e557d9db98f40f269e0b693c1445b5a9189cebceaf7a870645
ripemd-160	377c8c08749a7abe2ed2aeec06fc73802aa8e8cf

81497849 as geometric shapes

Circle

Radius = n

Diameter	162995698
Circumference	512066087.40354
Area	2.0866142334617E+16

Sphere

Radius = n

Volume	2.2673942895989E+24
Surface area	8.3464569338469E+16
Circumference	512066087.40354

Square

Length = n

Perimeter	325991396
Area	6641899391626801
Diagonal	115255363.36003

Cube

Length = n

Surface area	39851396349760806
Volume	5.4130051369199E+23
Space diagonal	141158415.17558

Equilateral Triangle

Length = n

Perimeter	244493547
Area	2.8760268012646E+15
Altitude	70579207.587788

Triangular Pyramid

Length = n

Surface area	2.8760268012646E+15
Volume	6.3792877315228E+22
Height	38418454.453345