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

78128081 (number)

78128081 is an odd 8-digits prime number following 78128080 and preceding 78128082. In scientific notation, it is written as 7.8128081 × 10^7. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 78128080 positive integers (up to 78128081) that are relatively prime to 78128081.

Interesting facts

78128081 has 2 divisors, whose sum is 78128082
The reverse of 78128081 is 18082187
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	seventy-eight million one hundred twenty-eight thousand eighty-one

Notation

Scientific notation	7.8128081 × 10^7
Engineering notation	7.8128081 × 10^6

Prime Factorization of 78128081

Prime Factorization 78128081

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	78128081	Product of the distinct prime numbers

The prime factorization of 78128081 is 78128081. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 9, 26, 21, 228, 431, 8468, 2780, 38087, 20806, 914329, 65225, 8621235, 1997110, 11349881, 79060512, 984837721, 296945318, 3519298376, 9408328916

Basic calculations (n = 78128081)

Multiplication

n×y

n×2	156256162
n×3	234384243
n×4	312512324
n×5	390640405

Division

n÷y

n÷2	39064040.5
n÷3	26042693.666667
n÷3	19532020.25
n÷5	15625616.2

Exponentiation

n^y

n²	6103997040742561
n³	4.768935752229E+23
n⁴	3.7258779873394E+31
n⁵	2.9109569719097E+39

Nth Root

^y√n

²√n	8839.009050793
³√n	427.49960626025
⁴√n	94.016004226903
⁵√n	37.893213033101

Divisors of 78128081

1, 78128081

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	78128082	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	39064041	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	8839.0091073604	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.999999974401	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78128081 can be divided by 2 positive divisors. The sum of these divisors (counting 78128081) is 78128082, the average is 39064041.

Base conversion 78128081

Base	System	Value
2	Binary	100101010000010001111010001
3	Ternary	12110000022120122
4	Quaternary	10222002033101
5	Quinary	130000044311
6	Senary	11430320025
8	Octal	452021721
10	Decimal	78128081
12	Duodecimal	221b9015
16	Hexadecimal	4a823d1
20	Vigesimal	1486041
36	Base36	1aik0h

Cryptographic Hash Functions

md5	763b13c32f10f95c6bf71809efc4c1b0
sha1	fb76616811f1b791ea3115b1c3ceef739881c9a5
sha256	1d3b15eceb4e57d030964e20120e258e2bac52a3955f9d38e873dd0298d9025f
sha512	a4d11dae30ba557fda8ac7c43ac94c2ff4d48047880ce48d44e08d3f2879e9550c7a99f13bb795229bfda91692133f0b99ce9160280a4f969d4011ee70088252
ripemd-160	f4b8bb7e908442c1fbf3532eca75b636558c255b

78128081 as geometric shapes

Circle

Radius = n

Diameter	156256162
Circumference	490893210.61734
Area	1.9176272260731E+16

Sphere

Radius = n

Volume	1.9976071366192E+24
Surface area	7.6705089042923E+16
Circumference	490893210.61734

Square

Length = n

Perimeter	312512324
Area	6103997040742561
Diagonal	110489791.75238

Cube

Length = n

Surface area	36623982244455366
Volume	4.768935752229E+23
Space diagonal	135321805.78986

Equilateral Triangle

Length = n

Perimeter	234384243
Area	2.643108250954E+15
Altitude	67660902.894928

Triangular Pyramid

Length = n

Surface area	2.643108250954E+15
Volume	5.6202446824068E+22
Height	36829930.584128