128520938 (number)

128520938 is an even 9-digits composite number following 128520937 and preceding 128520939. In scientific notation, it is written as 1.28520938 × 10^8. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 50843376 positive integers (up to 128520938) that are relatively prime to 128520938.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred twenty thousand nine hundred thirty-eight

Notation

Scientific notation 1.28520938 × 10^8
Engineering notation 1.28520938 × 10^6

Prime Factorization of 128520938

Prime Factorization 2 × 13 × 7 × 706159

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128520938
Product of the distinct prime numbers

The prime factorization of 128520938 is 2 × 13 × 7 × 706159. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128520938)

Multiplication

n×y
n×2 257041876
n×3 385562814
n×4 514083752
n×5 642604690

Division

n÷y
n÷2 64260469
n÷3 42840312.666667
n÷3 32130234.5
n÷5 25704187.6

Exponentiation

ny
n2 16517631504399844
n3 2.1228614944838E+24
n4 2.7283215051514E+32
n5 3.5064643900763E+40

Nth Root

y√n
2√n 11336.707546726
3√n 504.65118283465
4√n 106.47397591302
5√n 41.859571402434

Divisors of 128520938

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 -128520937
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 128520938 can be divided by 16 positive divisors. The sum of these divisors (counting 128520938) is 1, the average is 0.0625.

Base conversion 128520938

Base System Value
2 Binary 111101010010001001011101010
3 Ternary 22221211112120202
4 Quaternary 13222101023222
5 Quinary 230400132223
6 Senary 20430352202
8 Octal 752211352
10 Decimal 128520938
12 Duodecimal 3705b662
16 Hexadecimal 7a912ea
20 Vigesimal 203526i
36 Base36 24ine2

Cryptographic Hash Functions

md5 9d3452cdf09802a8d6034d4a7c17330d
sha1 f72bd235de0358e34a88fb1afe7bbbe1ba74a275
sha256 7580a579e99e20bf35ddffe9b0083f035a65ec537f29020c8da348fb64084732
sha512 3351dd52fba3e84014a7f3fdfe177d11cfcb2a2fd76ff9ed95c75557bb18807b988b5a5dc215a0c49bec7b033264c18770464030f6fee0f61b47cfd52c39a4db
ripemd-160 9862660881ab8244605462d9f36da8d6cad529e0

128520938 as geometric shapes

Circle

Radius = n
Diameter 257041876
Circumference 807520869.30654
Area 5.1891669788926E+16

Sphere

Radius = n
Volume 8.892221434212E+24
Surface area 2.075666791557E+17
Circumference 807520869.30654

Square

Length = n
Perimeter 514083752
Area 16517631504399844
Diagonal 181756053.56851

Cube

Length = n
Surface area 99105789026399064
Volume 2.1228614944838E+24
Space diagonal 222604794.45241

Equilateral Triangle

Length = n
Perimeter 385562814
Area 7.1523442465802E+15
Altitude 111302397.2262

Triangular Pyramid

Length = n
Surface area 7.1523442465802E+15
Volume 2.5018162637822E+23
Height 60585351.189504