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

81342661 (number)

81342661 is an odd 8-digits composite number following 81342660 and preceding 81342662. In scientific notation, it is written as 8.1342661 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 80757324 positive integers (up to 81342661) that are relatively prime to 81342661.

Interesting facts

81342661 has 4 divisors, whose sum is 81928000
The reverse of 81342661 is 16624318
Previous prime number is 139

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	eighty-one million three hundred forty-two thousand six hundred sixty-one

Notation

Scientific notation	8.1342661 × 10^7
Engineering notation	8.1342661 × 10^6

Prime Factorization of 81342661

Prime Factorization 139 × 585199

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81342661	Product of the distinct prime numbers

The prime factorization of 81342661 is 139 × 585199. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 10, 51, 73, 932, 251, 2530, 7831, 6583, 32897, 879219, 166890, 6713437, 721452, 13955538, 38875620, 790811189, 362987286, 4839578514, 9501640771

Basic calculations (n = 81342661)

Multiplication

n×y

n×2	162685322
n×3	244027983
n×4	325370644
n×5	406713305

Division

n÷y

n÷2	40671330.5
n÷3	27114220.333333
n÷3	20335665.25
n÷5	16268532.2

Exponentiation

n^y

n²	6616628498560921
n³	5.3821416892138E+23
n⁴	4.3779772687969E+31
n⁵	3.5611632084145E+39

Nth Root

^y√n

²√n	9019.0166315403
³√n	433.28413951743
⁴√n	94.968503365802
⁵√n	38.200027461052

Divisors of 81342661

1, 139, 585199, 81342661

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	-81342660	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 81342661 can be divided by 4 positive divisors. The sum of these divisors (counting 81342661) is 1, the average is 0.25.

Base conversion 81342661

Base	System	Value
2	Binary	100110110010011000011000101
3	Ternary	12200001122011011
4	Quaternary	10312103003011
5	Quinary	131310431121
6	Senary	12023242221
8	Octal	466230305
10	Decimal	81342661
12	Duodecimal	232a9371
16	Hexadecimal	4d930c5
20	Vigesimal	1587gd1
36	Base36	1cfged

Cryptographic Hash Functions

md5	b680e087c85fbda30c263d4c8589afe9
sha1	008b29d7f4b06208162fd63996e10bdcf6851c3e
sha256	4bf48abeb10857df2bb2a90d607ff00e88f704cdf4cb0e993643dbec8caebd25
sha512	a6e106d63dbaac583460dd6f9f86f28e7499b5ad232c29a12f3d37e59085abaeed6a78e320ed437aeb98627f24890b88a71f2911bf07ea1910368d66a932ce90
ripemd-160	199a6103e0aad444e080d23f61d1e9767de4f2c9

81342661 as geometric shapes

Circle

Radius = n

Diameter	162685322
Circumference	511091012.44209
Area	2.0786751482612E+16

Sphere

Radius = n

Volume	2.2544662388551E+24
Surface area	8.3147005930447E+16
Circumference	511091012.44209

Square

Length = n

Perimeter	325370644
Area	6616628498560921
Diagonal	115035894.38572

Cube

Length = n

Surface area	39699770991365526
Volume	5.3821416892138E+23
Space diagonal	140889621.67485

Equilateral Triangle

Length = n

Perimeter	244027983
Area	2.8650841835789E+15
Altitude	70444810.837426

Triangular Pyramid

Length = n

Surface area	2.8650841835789E+15
Volume	6.3429148095832E+22
Height	38345298.128572