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

81496761 (number)

81496761 is an odd 8-digits composite number following 81496760 and preceding 81496762. In scientific notation, it is written as 8.1496761 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 54331172 positive integers (up to 81496761) that are relatively prime to 81496761.

Interesting facts

81496761 has 4 divisors, whose sum is 108662352
The reverse of 81496761 is 16769418
Previous prime number is 3

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-six thousand seven hundred sixty-one

Notation

Scientific notation	8.1496761 × 10^7
Engineering notation	8.1496761 × 10^6

Prime Factorization of 81496761

Prime Factorization 3 × 27165587

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81496761	Product of the distinct prime numbers

The prime factorization of 81496761 is 3 × 27165587. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 4, 53, 91, 2, 790, 2651, 4539, 43415, 17351, 253843, 728480, 1753617, 3037663, 21845633, 13803618, 551422780, 250461603, 5627146934, 2910784026

Basic calculations (n = 81496761)

Multiplication

n×y

n×2	162993522
n×3	244490283
n×4	325987044
n×5	407483805

Division

n÷y

n÷2	40748380.5
n÷3	27165587
n÷3	20374190.25
n÷5	16299352.2

Exponentiation

n^y

n²	6641722053491121
n³	5.412788348218E+23
n⁴	4.411247183583E+31
n⁵	3.5950235743239E+39

Nth Root

^y√n

²√n	9027.5556492331
³√n	433.55757933251
⁴√n	95.013449833342
⁵√n	38.214490151221

Divisors of 81496761

1, 3, 27165587, 81496761

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	-81496760	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 81496761 can be divided by 4 positive divisors. The sum of these divisors (counting 81496761) is 1, the average is 0.25.

Base conversion 81496761

Base	System	Value
2	Binary	100110110111000101010111001
3	Ternary	12200100110112120
4	Quaternary	10312320222321
5	Quinary	131330344021
6	Senary	12030431453
8	Octal	466705271
10	Decimal	81496761
12	Duodecimal	23362589
16	Hexadecimal	4db8ab9
20	Vigesimal	15971i1
36	Base36	1cirax

Cryptographic Hash Functions

md5	c46162d254f618298678175fc3a8a518
sha1	a131aa0769a45d39cf54efea03b2fd4d4cae01d9
sha256	ebdc0b9fac59082425902f6ea1edec3315c86aed297a7615c2b739a153a6516c
sha512	796cd03c26339b6cc70ec15a6335546ad05c815839d501349ab0a158337d72158f4e640a00763b05332f25ff677a53f543faf53e4f849b3a41644f49d3f50b58
ripemd-160	eb23eb1989f8397b4debb13a4ea85db1f1e65594

81496761 as geometric shapes

Circle

Radius = n

Diameter	162993522
Circumference	512059251.29793
Area	2.0865585210433E+16

Sphere

Radius = n

Volume	2.2673034813597E+24
Surface area	8.3462340841732E+16
Circumference	512059251.29793

Square

Length = n

Perimeter	325987044
Area	6641722053491121
Diagonal	115253824.69568

Cube

Length = n

Surface area	39850332320946726
Volume	5.412788348218E+23
Space diagonal	141156530.7043

Equilateral Triangle

Length = n

Perimeter	244490283
Area	2.8759500115993E+15
Altitude	70578265.352149

Triangular Pyramid

Length = n

Surface area	2.8759500115993E+15
Volume	6.3790322435874E+22
Height	38417941.565226