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

81008078 (number)

81008078 is an even 8-digits composite number following 81008077 and preceding 81008079. In scientific notation, it is written as 8.1008078 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 39107320 positive integers (up to 81008078) that are relatively prime to 81008078.

Interesting facts

81008078 has 8 divisors, whose sum is 125702280
The reverse of 81008078 is 87080018
Previous prime number is 29

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	eighty-one million eight thousand seventy-eight

Notation

Scientific notation	8.1008078 × 10^7
Engineering notation	8.1008078 × 10^6

Prime Factorization of 81008078

Prime Factorization 2 × 29 × 1396691

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81008078	Product of the distinct prime numbers

The prime factorization of 81008078 is 2 × 29 × 1396691. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 3, 14, 18, 673, 584, 381, 8947, 49189, 68809, 988827, 985264, 5012044, 1056246, 81415073, 74354273, 511317597, 442690516, 1954392577, 3240046162

Basic calculations (n = 81008078)

Multiplication

n×y

n×2	162016156
n×3	243024234
n×4	324032312
n×5	405040390

Division

n÷y

n÷2	40504039
n÷3	27002692.666667
n÷3	20252019.5
n÷5	16201615.6

Exponentiation

n^y

n²	6562308701254084
n³	5.3160001513127E+23
n⁴	4.3063895490555E+31
n⁵	3.4885234048827E+39

Nth Root

^y√n

²√n	9000.4487665894
³√n	432.6892539376
⁴√n	94.870694983168
⁵√n	38.168550348285

Divisors of 81008078

1, 2, 29, 58, 1396691, 2793382, 40504039, 81008078

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	-81008077	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 81008078 can be divided by 8 positive divisors. The sum of these divisors (counting 81008078) is 1, the average is 0.125.

Base conversion 81008078

Base	System	Value
2	Binary	100110101000001010111001110
3	Ternary	12122102122012012
4	Quaternary	10311001113032
5	Quinary	131214224303
6	Senary	12012141222
8	Octal	465012716
10	Decimal	81008078
12	Duodecimal	23167812
16	Hexadecimal	4d415ce
20	Vigesimal	156603i
36	Base36	1c8a8e

Cryptographic Hash Functions

md5	58f53fabcd733fe98bdc65cd6693ef51
sha1	e9ad2dd7c766a8e9a3646b9db624955cf276474b
sha256	210b42e1ac90c8f019f94433d9874d860af269e3e01a44dc2f19b32be0defb8c
sha512	f6740cc31960b258647ffbbe4afe9e477b0bf25007bbc97bd2371eafb3c54b04896a0fed2a465d452ae98472b5d9944584202b769d9e473a5c047c08cc56045a
ripemd-160	6f5cc666eec71df7414ed6570a3f3b916ae878c9

81008078 as geometric shapes

Circle

Radius = n

Diameter	162016156
Circumference	508988765.45246
Area	2.0616100806448E+16

Sphere

Radius = n

Volume	2.2267609362462E+24
Surface area	8.2464403225793E+16
Circumference	508988765.45246

Square

Length = n

Perimeter	324032312
Area	6562308701254084
Diagonal	114562722.56938

Cube

Length = n

Surface area	39373852207524504
Volume	5.3160001513127E+23
Space diagonal	140310106.9195

Equilateral Triangle

Length = n

Perimeter	243024234
Area	2.8415630213809E+15
Altitude	70155053.459751

Triangular Pyramid

Length = n

Surface area	2.8415630213809E+15
Volume	6.2649662596365E+22
Height	38187574.189793