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

78428081 (number)

78428081 is an odd 8-digits composite number following 78428080 and preceding 78428082. In scientific notation, it is written as 7.8428081 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 78408564 positive integers (up to 78428081) that are relatively prime to 78428081.

Interesting facts

78428081 has 4 divisors, whose sum is 78447600
The reverse of 78428081 is 18082487
Previous prime number is 5659

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	7.8428081 × 10^7
Engineering notation	7.8428081 × 10^6

Prime Factorization of 78428081

Prime Factorization 5659 × 13859

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	78428081	Product of the distinct prime numbers

The prime factorization of 78428081 is 5659 × 13859. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 7, 60, 68, 181, 999, 6965, 6446, 90593, 68085, 671412, 897993, 5855639, 8620314, 55716057, 87701897, 827687376, 748886125, 1599915715, 3694540374

Basic calculations (n = 78428081)

Multiplication

n×y

n×2	156856162
n×3	235284243
n×4	313712324
n×5	392140405

Division

n÷y

n÷2	39214040.5
n÷3	26142693.666667
n÷3	19607020.25
n÷5	15685616.2

Exponentiation

n^y

n²	6150963889342561
n³	4.8240829414143E+23
n⁴	3.7834356767996E+31
n⁵	2.9672759971833E+39

Nth Root

^y√n

²√n	8855.9630193447
³√n	428.04608530743
⁴√n	94.106126364571
⁵√n	37.922269278641

Divisors of 78428081

1, 5659, 13859, 78428081

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	-78428080	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 78428081 can be divided by 4 positive divisors. The sum of these divisors (counting 78428081) is 1, the average is 0.25.

Base conversion 78428081

Base	System	Value
2	Binary	100101011001011011110110001
3	Ternary	12110120120002202
4	Quaternary	10223023132301
5	Quinary	130034144311
6	Senary	11440552545
8	Octal	453133661
10	Decimal	78428081
12	Duodecimal	22322755
16	Hexadecimal	4acb7b1
20	Vigesimal	14a3a41
36	Base36	1aozht

Cryptographic Hash Functions

md5	fac63351ba2331b7c9cf6ffbfe99ea8e
sha1	9b970daa20ef8b0f6ba9870f45fef6f2c1e9c4a6
sha256	9d2cd556cfc0af246fcaae820af67845d374599b80aedc195fda9aa289b26407
sha512	6c26baf6c5df92df361d29bf23b69d3d5d43c4f614e3064a9b0d3bededb4d1016b9c6f96961239f8de0a06467f7eca9c7b775d72c1223db5316898448d536ccd
ripemd-160	0ac7865043f9ec9957c926eb8528fb044d997f15

78428081 as geometric shapes

Circle

Radius = n

Diameter	156856162
Circumference	492778166.20949
Area	1.9323822967255E+16

Sphere

Radius = n

Volume	2.0207071372073E+24
Surface area	7.7295291869019E+16
Circumference	492778166.20949

Square

Length = n

Perimeter	313712324
Area	6150963889342561
Diagonal	110914055.8211

Cube

Length = n

Surface area	36905783336055366
Volume	4.8240829414143E+23
Space diagonal	135841421.03213

Equilateral Triangle

Length = n

Perimeter	235284243
Area	2.6634454929657E+15
Altitude	67920710.516064

Triangular Pyramid

Length = n

Surface area	2.6634454929657E+15
Volume	5.685236268134E+22
Height	36971351.940365