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

81018064 (number)

81018064 is an even 8-digits composite number following 81018063 and preceding 81018065. In scientific notation, it is written as 8.1018064 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 10 positive divisors. There are 40509024 positive integers (up to 81018064) that are relatively prime to 81018064.

Interesting facts

81018064 has 10 divisors, whose sum is 156972530
The reverse of 81018064 is 46081018
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	eighty-one million eighteen thousand sixty-four

Notation

Scientific notation	8.1018064 × 10^7
Engineering notation	8.1018064 × 10^6

Prime Factorization of 81018064

Prime Factorization 2 × 2 × 2 × 2 × 5063629

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	10127258	Product of the distinct prime numbers

The prime factorization of 81018064 is 2 × 2 × 2 × 2 × 5063629. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 1, 6, 41, 551, 568, 5274, 1023, 59513, 7172, 156426, 530330, 4859894, 4967942, 65071474, 37101607, 153131435, 73990487, 3027628198, 3592694648

Basic calculations (n = 81018064)

Multiplication

n×y

n×2	162036128
n×3	243054192
n×4	324072256
n×5	405090320

Division

n÷y

n÷2	40509032
n÷3	27006021.333333
n÷3	20254516
n÷5	16203612.8

Exponentiation

n^y

n²	6563926694308096
n³	5.3179663301076E+23
n⁴	4.308513364825E+31
n⁵	3.4906741153625E+39

Nth Root

^y√n

²√n	9001.0034996105
³√n	432.70703264751
⁴√n	94.873618564965
⁵√n	38.169491321977

Divisors of 81018064

1, 2, 4, 8, 16, 5063629, 10127258, 20254516, 40509032, 81018064

10 divisors

τ	Total Divisors	10	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81018063	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.1	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	10	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81018064 can be divided by 10 positive divisors. The sum of these divisors (counting 81018064) is 1, the average is 0.1.

Base conversion 81018064

Base	System	Value
2	Binary	100110101000011110011010000
3	Ternary	12122110010220001
4	Quaternary	10311003303100
5	Quinary	131220034224
6	Senary	12012255344
8	Octal	465036320
10	Decimal	81018064
12	Duodecimal	23171554
16	Hexadecimal	4d43cd0
20	Vigesimal	1567534
36	Base36	1c8hxs

Cryptographic Hash Functions

md5	beb7b8d0d4774d4b00c765c85bc8b66a
sha1	edb3ec414293465fcfd5ea3098bebeba63595277
sha256	8a32092e6d2e5d2ca7917cb53d42498a48c467e8717e64a8d4661b09e5a1c398
sha512	dd0d32f6b8cf3d9df8a6a0efdb9bceda5cea27018ceea0b6e6f8b8e41c903a400ef80f3aabd431481f2549fb7ad9bc5e92c63120647a0157249ee1f3fff490ea
ripemd-160	7fd17f0b7f6982e18cf02e9f8be578f068daecbf

81018064 as geometric shapes

Circle

Radius = n

Diameter	162036128
Circumference	509051509.34094
Area	2.062118388154E+16

Sphere

Radius = n

Volume	2.2275845272939E+24
Surface area	8.2484735526161E+16
Circumference	509051509.34094

Square

Length = n

Perimeter	324072256
Area	6563926694308096
Diagonal	114576844.90601

Cube

Length = n

Surface area	39383560165848576
Volume	5.3179663301076E+23
Space diagonal	140327403.17887

Equilateral Triangle

Length = n

Perimeter	243054192
Area	2.8422636329248E+15
Altitude	70163701.589433

Triangular Pyramid

Length = n

Surface area	2.8422636329248E+15
Volume	6.2672834235681E+22
Height	38192281.635337