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

81049938 (number)

81049938 is an even 8-digits composite number following 81049937 and preceding 81049939. In scientific notation, it is written as 8.1049938 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 27016644 positive integers (up to 81049938) that are relatively prime to 81049938.

Interesting facts

81049938 has 8 divisors, whose sum is 162099888
The reverse of 81049938 is 83994018
Previous prime number is 3

Basic properties

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

Name

Name	eighty-one million forty-nine thousand nine hundred thirty-eight

Notation

Scientific notation	8.1049938 × 10^7
Engineering notation	8.1049938 × 10^6

Prime Factorization of 81049938

Prime Factorization 2 × 3 × 13508323

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81049938	Product of the distinct prime numbers

The prime factorization of 81049938 is 2 × 3 × 13508323. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 10, 10, 34, 843, 190, 53, 3427, 88261, 27327, 314886, 439920, 6864051, 1176482, 34835101, 13326449, 799885060, 706477572, 1785842141, 8154714232

Basic calculations (n = 81049938)

Multiplication

n×y

n×2	162099876
n×3	243149814
n×4	324199752
n×5	405249690

Division

n÷y

n÷2	40524969
n÷3	27016646
n÷3	20262484.5
n÷5	16209987.6

Exponentiation

n^y

n²	6569092449803844
n³	5.3242453577287E+23
n⁴	4.315297561407E+31
n⁵	3.4975459980359E+39

Nth Root

^y√n

²√n	9002.7739058581
³√n	432.76377018225
⁴√n	94.882948446273
⁵√n	38.172494165778

Divisors of 81049938

1, 2, 3, 6, 13508323, 27016646, 40524969, 81049938

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81049937	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81049938 can be divided by 8 positive divisors. The sum of these divisors (counting 81049938) is 1, the average is 0.125.

Base conversion 81049938

Base	System	Value
2	Binary	100110101001011100101010010
3	Ternary	12122111202121120
4	Quaternary	10311023211102
5	Quinary	131222044223
6	Senary	12013103110
8	Octal	465134522
10	Decimal	81049938
12	Duodecimal	23187a96
16	Hexadecimal	4d4b952
20	Vigesimal	156b4gi
36	Base36	1c96j6

Cryptographic Hash Functions

md5	8d01b3d85f6260ae696263a586753913
sha1	e1efd6578919a9d8628168e487962e618cae4393
sha256	65c20016d0a467a628c6f4cf847d53d000f31592e03ef7192377c60c5ae18026
sha512	28719d801a863b90cbf544f2ec11058f68f55de26a49c63cdf8f6fc37e8a65ee591f91421acf08c6023fa77ea1f8e81934007ee5f59121db458ccac8e0758fdb
ripemd-160	202bae0bbf0196e3275deefff36bfdebb934e18b

81049938 as geometric shapes

Circle

Radius = n

Diameter	162099876
Circumference	509251779.58942
Area	2.0637412581056E+16

Sphere

Radius = n

Volume	2.2302146802333E+24
Surface area	8.2549650324224E+16
Circumference	509251779.58942

Square

Length = n

Perimeter	324199752
Area	6569092449803844
Diagonal	114621921.5491

Cube

Length = n

Surface area	39414554698823064
Volume	5.3242453577287E+23
Space diagonal	140382610.56631

Equilateral Triangle

Length = n

Perimeter	243149814
Area	2.8445004706693E+15
Altitude	70191305.283154

Triangular Pyramid

Length = n

Surface area	2.8445004706693E+15
Volume	6.2746833285849E+22
Height	38207307.183033