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

81490497 (number)

81490497 is an odd 8-digits composite number following 81490496 and preceding 81490498. In scientific notation, it is written as 8.1490497 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 49388160 positive integers (up to 81490497) that are relatively prime to 81490497.

Interesting facts

81490497 has 4 divisors, whose sum is 83959940
The reverse of 81490497 is 79409418
Previous prime number is 33

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

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

Notation

Scientific notation	8.1490497 × 10^7
Engineering notation	8.1490497 × 10^6

Prime Factorization of 81490497

Prime Factorization 33 × 2469409

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81490497	Product of the distinct prime numbers

The prime factorization of 81490497 is 33 × 2469409. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 3, 8, 17, 113, 785, 4164, 8480, 18283, 14083, 235665, 32447, 9778466, 9453806, 26800831, 94449225, 696200230, 14994144, 793830604, 1505834013

Basic calculations (n = 81490497)

Multiplication

n×y

n×2	162980994
n×3	244471491
n×4	325961988
n×5	407452485

Division

n÷y

n÷2	40745248.5
n÷3	27163499
n÷3	20372624.25
n÷5	16298099.4

Exponentiation

n^y

n²	6640701101307009
n³	5.4115403317396E+23
n⁴	4.40989111169E+31
n⁵	3.593642184075E+39

Nth Root

^y√n

²√n	9027.2087047991
³√n	433.54647102086
⁴√n	95.01162405095
⁵√n	38.21390268511

Divisors of 81490497

1, 33, 2469409, 81490497

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	-81490496	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 81490497 can be divided by 4 positive divisors. The sum of these divisors (counting 81490497) is 1, the average is 0.25.

Base conversion 81490497

Base	System	Value
2	Binary	100110110110111001001000001
3	Ternary	12200100010221120
4	Quaternary	10312313021001
5	Quinary	131330143442
6	Senary	12030342453
8	Octal	466671101
10	Decimal	81490497
12	Duodecimal	2335aa29
16	Hexadecimal	4db7241
20	Vigesimal	159664h
36	Base36	1cimgx

Cryptographic Hash Functions

md5	9ee30910b6b08d90c6155b335c43f73a
sha1	ee80f4e244970cce0058e811dc920ec59719ad25
sha256	eba5c1d7d217876d3ce8bcded88c378ea70ff39f9a9e0d58949dddf2489d6b0d
sha512	1cd4c5eb0d82e85d550c5df3f6aef8a62392316c05e9035cc70eea1b8a242de7775bd2b31fc1bf1331b1d76941bb1e93fdc89887fca242e6780275f563e10dff
ripemd-160	656be46a605bd8c44eb7aa33104a6b3c959a6d2e

81490497 as geometric shapes

Circle

Radius = n

Diameter	162980994
Circumference	512019893.42516
Area	2.0862377794552E+16

Sphere

Radius = n

Volume	2.2667807134397E+24
Surface area	8.3449511178207E+16
Circumference	512019893.42516

Square

Length = n

Perimeter	325961988
Area	6640701101307009
Diagonal	115244966.06192

Cube

Length = n

Surface area	39844206607842054
Volume	5.4115403317396E+23
Space diagonal	141145681.13804

Equilateral Triangle

Length = n

Perimeter	244471491
Area	2.8755079263356E+15
Altitude	70572840.56902

Triangular Pyramid

Length = n

Surface area	2.8755079263356E+15
Volume	6.3775614420626E+22
Height	38414988.687308