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

81663313 (number)

81663313 is an odd 8-digits composite number following 81663312 and preceding 81663314. In scientific notation, it is written as 8.1663313 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 81400420 positive integers (up to 81663313) that are relatively prime to 81663313.

Interesting facts

81663313 has 4 divisors, whose sum is 81926208
The reverse of 81663313 is 31336618
Previous prime number is 311

Basic properties

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

Name

Name	eighty-one million six hundred sixty-three thousand three hundred thirteen

Notation

Scientific notation	8.1663313 × 10^7
Engineering notation	8.1663313 × 10^6

Prime Factorization of 81663313

Prime Factorization 311 × 262583

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81663313	Product of the distinct prime numbers

The prime factorization of 81663313 is 311 × 262583. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 7, 90, 27, 782, 64, 3976, 830, 93068, 50931, 587823, 517296, 4111673, 2011985, 7317840, 10050713, 142030972, 774798374, 7899224999, 553428252

Basic calculations (n = 81663313)

Multiplication

n×y

n×2	163326626
n×3	244989939
n×4	326653252
n×5	408316565

Division

n÷y

n÷2	40831656.5
n÷3	27221104.333333
n÷3	20415828.25
n÷5	16332662.6

Exponentiation

n^y

n²	6668896690135969
n³	5.4460419777124E+23
n⁴	4.4474183063706E+31
n⁵	3.6319091319508E+39

Nth Root

^y√n

²√n	9036.7755864578
³√n	433.85272704116
⁴√n	95.061956567587
⁵√n	38.230096914319

Divisors of 81663313

1, 311, 262583, 81663313

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	-81663312	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 81663313 can be divided by 4 positive divisors. The sum of these divisors (counting 81663313) is 1, the average is 0.25.

Base conversion 81663313

Base	System	Value
2	Binary	100110111100001010101010001
3	Ternary	12200122221000011
4	Quaternary	10313201111101
5	Quinary	131401211223
6	Senary	12034154521
8	Octal	467412521
10	Decimal	81663313
12	Duodecimal	23422a41
16	Hexadecimal	4de1551
20	Vigesimal	15a7i5d
36	Base36	1cmbtd

Cryptographic Hash Functions

md5	33c035a87553d5a65d19d173c8cddfe3
sha1	3298775ad7b777f890ad2a8b50c66c056f0d0a66
sha256	1dece4e26272ae83d44c741a94edf8957c076f1ff5b60cd105a928e9f2450cbb
sha512	47e92825eb9b31d586b3b235efec9324a3d7da3ffec407c754be94a71e07eba5ccd5fa078a44cadbf730e08d20d0a1304643879620a9e71d8cafa396c7ae2597
ripemd-160	c4fec4620b83a919f512372c2bb0e57b17bec31c

81663313 as geometric shapes

Circle

Radius = n

Diameter	163326626
Circumference	513105728.37721
Area	2.095095684928E+16

Sphere

Radius = n

Volume	2.2812327291097E+24
Surface area	8.3803827397122E+16
Circumference	513105728.37721

Square

Length = n

Perimeter	326653252
Area	6668896690135969
Diagonal	115489364.79292

Cube

Length = n

Surface area	40013380140815814
Volume	5.4460419777124E+23
Space diagonal	141445007.2304

Equilateral Triangle

Length = n

Perimeter	244989939
Area	2.8877169744359E+15
Altitude	70722503.6152

Triangular Pyramid

Length = n

Surface area	2.8877169744359E+15
Volume	6.4182220217784E+22
Height	38496454.930973