128840390 (number)

128840390 is an even 9-digits composite number following 128840389 and preceding 128840391. In scientific notation, it is written as 1.28840390 × 10^8. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 44173824 positive integers (up to 128840390) that are relatively prime to 128840390.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million eight hundred forty thousand three hundred ninety

Notation

Scientific notation 1.28840390 × 10^8
Engineering notation 1.28840390 × 10^6

Prime Factorization of 128840390

Prime Factorization 2 × 35 × 1840577

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128840390
Product of the distinct prime numbers

The prime factorization of 128840390 is 2 × 35 × 1840577. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 10, 85, 15, 772, 404, 9344, 101, 37449, 86526, 42832, 994364, 4585538, 821266, 34609826, 70125725, 523891490, 33264505, 6853667747, 8601543681

Basic calculations (n = 128840390)

Multiplication

n×y
n×2 257680780
n×3 386521170
n×4 515361560
n×5 644201950

Division

n÷y
n÷2 64420195
n÷3 42946796.666667
n÷3 32210097.5
n÷5 25768078

Exponentiation

ny
n2 16599846095352100
n3 2.1387306448651E+24
n4 2.7555489038938E+32
n5 3.5502599544175E+40

Nth Root

y√n
2√n 11350.788078367
3√n 505.06895767814
4√n 106.54007733415
5√n 41.88035999718

Divisors of 128840390

1, 2, 35, 70, 1840577, 3681154, 64420195, 128840390

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 -128840389
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 128840390 can be divided by 8 positive divisors. The sum of these divisors (counting 128840390) is 1, the average is 0.125.

Base conversion 128840390

Base System Value
2 Binary 111101011011111001011000110
3 Ternary 22222102202210022
4 Quaternary 13223133023012
5 Quinary 230440343030
6 Senary 20441255142
8 Octal 753371306
10 Decimal 128840390
12 Duodecimal 371944b2
16 Hexadecimal 7adf2c6
20 Vigesimal 20550ja
36 Base36 24phvq

Cryptographic Hash Functions

md5 60e127f7612257a947cce70a13431944
sha1 e03f853c89eb1b1f40f5e2e8424f79de26793337
sha256 9e81b6d9f77cd4e2158da293fff6ad9ea85ac0a71b036789dd069ed87664a7b5
sha512 c5c37c3e5db5a9373cfc14178818a3f7af38e53d3a898d627428f893fcc77773342da1ae272b7570554537c3f2a197fd98d8682732f21914b9988929a3d97fca
ripemd-160 8b2a0d9fb6e081132d8e7c9e1ad19c38f2a2cd7c

128840390 as geometric shapes

Circle

Radius = n
Diameter 257680780
Circumference 809528045.41929
Area 5.2149954543879E+16

Sphere

Radius = n
Volume 8.9586939758876E+24
Surface area 2.0859981817552E+17
Circumference 809528045.41929

Square

Length = n
Perimeter 515361560
Area 16599846095352100
Diagonal 182207826.91944

Cube

Length = n
Surface area 99599076572112600
Volume 2.1387306448651E+24
Space diagonal 223158101.54699

Equilateral Triangle

Length = n
Perimeter 386521170
Area 7.1879442087434E+15
Altitude 111579050.77349

Triangular Pyramid

Length = n
Surface area 7.1879442087434E+15
Volume 2.5205182368594E+23
Height 60735942.30648