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

81355319 (number)

81355319 is an odd 8-digits composite number following 81355318 and preceding 81355320. In scientific notation, it is written as 8.1355319 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 76569696 positive integers (up to 81355319) that are relatively prime to 81355319.

Interesting facts

81355319 has 4 divisors, whose sum is 86140944
The reverse of 81355319 is 91355318
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	eighty-one million three hundred fifty-five thousand three hundred nineteen

Notation

Scientific notation	8.1355319 × 10^7
Engineering notation	8.1355319 × 10^6

Prime Factorization of 81355319

Prime Factorization 17 × 4785607

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81355319	Product of the distinct prime numbers

The prime factorization of 81355319 is 17 × 4785607. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 3, 28, 44, 129, 91, 6815, 2983, 42882, 17254, 264020, 49273, 8561366, 9620910, 87526723, 98626005, 61397869, 519388390, 8250506926, 4741484997

Basic calculations (n = 81355319)

Multiplication

n×y

n×2	162710638
n×3	244065957
n×4	325421276
n×5	406776595

Division

n÷y

n÷2	40677659.5
n÷3	27118439.666667
n÷3	20338829.75
n÷5	16271063.8

Exponentiation

n^y

n²	6618687929591761
n³	5.3846546787339E+23
n⁴	4.3807029909324E+31
n⁵	3.5639348927156E+39

Nth Root

^y√n

²√n	9019.7183437178
³√n	433.30661327682
⁴√n	94.972197740801
⁵√n	38.201216273531

Divisors of 81355319

1, 17, 4785607, 81355319

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	-81355318	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 81355319 can be divided by 4 positive divisors. The sum of these divisors (counting 81355319) is 1, the average is 0.25.

Base conversion 81355319

Base	System	Value
2	Binary	100110110010110001000110111
3	Ternary	12200002021111222
4	Quaternary	10312112020313
5	Quinary	131311332234
6	Senary	12023420555
8	Octal	466261067
10	Decimal	81355319
12	Duodecimal	232b475b
16	Hexadecimal	4d96237
20	Vigesimal	158985j
36	Base36	1cfq5z

Cryptographic Hash Functions

md5	5759335dcc9466bedcd785098d4a2ea6
sha1	af37bd0f08967b1a4d1e796c0c276c6e6dd51f6d
sha256	51054627baf2fa5d309e4db4789c921a93b2a7f4f8b25e73df8ac05f2a280028
sha512	e50b56668e60061aae4d93b43c23458740da6032f6800c3345ddaaa9b3a98ad4b5880c8426298dec185fd5546bf67fc126c79db50aadd641f37a94fcc127be9c
ripemd-160	058c85e7af5cd68c5bc9b299c2f29caf0816cfa4

81355319 as geometric shapes

Circle

Radius = n

Diameter	162710638
Circumference	511170545.00171
Area	2.0793221376009E+16

Sphere

Radius = n

Volume	2.2555188774438E+24
Surface area	8.3172885504036E+16
Circumference	511170545.00171

Square

Length = n

Perimeter	325421276
Area	6618687929591761
Diagonal	115053795.50099

Cube

Length = n

Surface area	39712127577550566
Volume	5.3846546787339E+23
Space diagonal	140911545.97397

Equilateral Triangle

Length = n

Perimeter	244065957
Area	2.8659759433739E+15
Altitude	70455772.986987

Triangular Pyramid

Length = n

Surface area	2.8659759433739E+15
Volume	6.3458763961343E+22
Height	38351265.166997