78840390 (number)

78840390 is an even 8-digits composite number following 78840389 and preceding 78840391. In scientific notation, it is written as 7.8840390 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 19787264 positive integers (up to 78840390) that are relatively prime to 78840390.

Interesting facts

Basic properties

Name

Name seventy-eight million eight hundred forty thousand three hundred ninety

Notation

Scientific notation 7.8840390 × 10^7
Engineering notation 7.8840390 × 10^6

Prime Factorization of 78840390

Prime Factorization 2 × 15 × 17 × 154589

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 78840390
Product of the distinct prime numbers

The prime factorization of 78840390 is 2 × 15 × 17 × 154589. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 2, 30, 33, 465, 703, 7039, 1073, 98685, 13577, 101330, 252688, 8870568, 8392875, 11282789, 59622666, 297098728, 947196067, 3894538070, 7416994354

Basic calculations (n = 78840390)

Multiplication

n×y
n×2 157680780
n×3 236521170
n×4 315361560
n×5 394201950

Division

n÷y
n÷2 39420195
n÷3 26280130
n÷3 19710097.5
n÷5 15768078

Exponentiation

ny
n2 6215807095352100
n3 4.9005665556233E+23
n4 3.863625784663E+31
n5 3.0460976367688E+39

Nth Root

y√n
2√n 8879.2111136069
3√n 428.79487697038
4√n 94.229566026842
5√n 37.962058385602

Divisors of 78840390

1, 2, 15, 17, 30, 34, 255, 510, 154589, 309178, 2318835, 2628013, 4637670, 5256026, 39420195, 78840390

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78840389
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78840390 can be divided by 16 positive divisors. The sum of these divisors (counting 78840390) is 1, the average is 0.0625.

Base conversion 78840390

Base System Value
2 Binary 100101100110000001001000110
3 Ternary 12111100111200110
4 Quaternary 10230300021012
5 Quinary 130140343030
6 Senary 11453453450
8 Octal 454601106
10 Decimal 78840390
12 Duodecimal 224a1286
16 Hexadecimal 4b30246
20 Vigesimal 14cf0ja
36 Base36 1axtmu

Cryptographic Hash Functions

md5 3c4b1462440e9d2b08d1e4c6fbf80de6
sha1 40bbd4536f22ffb4d30df2edeb1e5aedf6b47c21
sha256 4aade6d1e830dd7758b548bb30ace44bf74d032fe1f211eba383df1e6b431599
sha512 a463b9738d68ebaa74cef68c4ec7ee7ebd3339236aedb7670e478e747438a2d4a391efae476aae2b21c04d93ca4d772c753d3e247791a1ee977bda1deee319db
ripemd-160 191d385d7c1b0502745ce35a360978b31067cf80

78840390 as geometric shapes

Circle

Radius = n
Diameter 157680780
Circumference 495368780.06031
Area 1.9527533906889E+16

Sphere

Radius = n
Volume 2.0527445186099E+24
Surface area 7.8110135627558E+16
Circumference 495368780.06031

Square

Length = n
Perimeter 315361560
Area 6215807095352100
Diagonal 111497148.80078

Cube

Length = n
Surface area 37294842572112600
Volume 4.9005665556233E+23
Space diagonal 136555561.16855

Equilateral Triangle

Length = n
Perimeter 236521170
Area 2.6915234247992E+15
Altitude 68277780.584273

Triangular Pyramid

Length = n
Surface area 2.6915234247992E+15
Volume 5.7753730718954E+22
Height 37165716.266928