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

81497309 (number)

81497309 is an odd 8-digits composite number following 81497308 and preceding 81497310. In scientific notation, it is written as 8.1497309 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 81479004 positive integers (up to 81497309) that are relatively prime to 81497309.

Interesting facts

81497309 has 4 divisors, whose sum is 81515616
The reverse of 81497309 is 90379418
Previous prime number is 7643

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	eighty-one million four hundred ninety-seven thousand three hundred nine

Notation

Scientific notation	8.1497309 × 10^7
Engineering notation	8.1497309 × 10^6

Prime Factorization of 81497309

Prime Factorization 7643 × 10663

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81497309	Product of the distinct prime numbers

The prime factorization of 81497309 is 7643 × 10663. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 8, 7, 11, 798, 598, 7904, 7087, 74675, 58563, 303831, 512642, 4776249, 7352284, 72322883, 47942863, 848832099, 869706101, 8583983087, 5932005368

Basic calculations (n = 81497309)

Multiplication

n×y

n×2	162994618
n×3	244491927
n×4	325989236
n×5	407486545

Division

n÷y

n÷2	40748654.5
n÷3	27165769.666667
n÷3	20374327.25
n÷5	16299461.8

Exponentiation

n^y

n²	6641811374241481
n³	5.4128975388627E+23
n⁴	4.4113658331004E+31
n⁵	3.5951444441222E+39

Nth Root

^y√n

²√n	9027.5860006981
³√n	433.55855110537
⁴√n	95.013609555148
⁵√n	38.214541543409

Divisors of 81497309

1, 7643, 10663, 81497309

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	-81497308	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 81497309 can be divided by 4 positive divisors. The sum of these divisors (counting 81497309) is 1, the average is 0.25.

Base conversion 81497309

Base	System	Value
2	Binary	100110110111000110011011101
3	Ternary	12200100111021212
4	Quaternary	10312320303131
5	Quinary	131330403214
6	Senary	12030434205
8	Octal	466706335
10	Decimal	81497309
12	Duodecimal	23362965
16	Hexadecimal	4db8cdd
20	Vigesimal	1597359
36	Base36	1cirq5

Cryptographic Hash Functions

md5	e7f890b0546bd96f5f020bff546255d6
sha1	16a35c5d81c834547d87e0ce687fe021048eea71
sha256	9bda5a0b689177d706ab1caaa3eb281e890ae5ebde19e8b9867a9e6c70f9927e
sha512	668d9e0bbf2934b22cd549014bb5382670d5a890e92e93c030a1c81c014a7c5f88c858c2e75fa61624227887b05a37ef53cbd6caf58346473515db6d3acf2b61
ripemd-160	0b45eb5f7e27322641ba520fc91516ff7e8e661e

81497309 as geometric shapes

Circle

Radius = n

Diameter	162994618
Circumference	512062694.48347
Area	2.0865865819846E+16

Sphere

Radius = n

Volume	2.2673492190301E+24
Surface area	8.3463463279385E+16
Circumference	512062694.48347

Square

Length = n

Perimeter	325989236
Area	6641811374241481
Diagonal	115254599.68471

Cube

Length = n

Surface area	39850868245448886
Volume	5.4128975388627E+23
Space diagonal	141157479.86814

Equilateral Triangle

Length = n

Perimeter	244491927
Area	2.8759886886188E+15
Altitude	70578739.93407

Triangular Pyramid

Length = n

Surface area	2.8759886886188E+15
Volume	6.3791609259963E+22
Height	38418199.894904