128403988 (number)

128403988 is an even 9-digits composite number following 128403987 and preceding 128403989. In scientific notation, it is written as 1.28403988 × 10^8. The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors. There are 63212160 positive integers (up to 128403988) that are relatively prime to 128403988.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred three thousand nine hundred eighty-eight

Notation

Scientific notation 1.28403988 × 10^8
Engineering notation 1.28403988 × 10^6

Prime Factorization of 128403988

Prime Factorization 2 × 2 × 83 × 881 × 439

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 64201994
Product of the distinct prime numbers

The prime factorization of 128403988 is 2 × 2 × 83 × 881 × 439. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 4, 97, 2, 898, 869, 5320, 3557, 81747, 42845, 325323, 213934, 5047743, 9804767, 30526845, 91452724, 570638897, 988792541, 6411086886, 1763885490

Basic calculations (n = 128403988)

Multiplication

n×y
n×2 256807976
n×3 385211964
n×4 513615952
n×5 642019940

Division

n÷y
n÷2 64201994
n÷3 42801329.333333
n÷3 32100997
n÷5 25680797.6

Exponentiation

ny
n2 16487584134304144
n3 2.1170715553302E+24
n4 2.7184043058576E+32
n5 3.4905395386848E+40

Nth Root

y√n
2√n 11331.54834963
3√n 504.49806416101
4√n 106.44974565319
5√n 41.851950450056

Divisors of 128403988

1, 2, 4, 83, 166, 332, 439, 878, 881, 1756, 1762, 3524, 36437, 72874, 73123, 145748, 146246, 292492, 386759, 773518, 1547036, 32100997, 64201994, 128403988

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128403987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128403988 can be divided by 24 positive divisors. The sum of these divisors (counting 128403988) is 1, the average is 0.041666666666667.

Base conversion 128403988

Base System Value
2 Binary 111101001110100101000010100
3 Ternary 22221121121011021
4 Quaternary 13221310220110
5 Quinary 230332411423
6 Senary 20424050524
8 Octal 751645024
10 Decimal 128403988
12 Duodecimal 37003a44
16 Hexadecimal 7a74a14
20 Vigesimal 202a9j8
36 Base36 24g55g

Cryptographic Hash Functions

md5 cb381a7cc9d0e620caa3164018c21d72
sha1 0bcfa0aae394410139763b73aad82d2794f18d09
sha256 8d142286cfd47081e523f9787530f8d06aff34191b579d2cd610edaf472da373
sha512 4ba7b62a8545fd10a10f2f05345da137f39a5b310f15064c76207033d5cd089121f14a5c511956a4051efc80b78234590ca771187950e686fa43f0789f20af9b
ripemd-160 82abb8b9c4269bfc6f208b0892de9c9756fddb9f

128403988 as geometric shapes

Circle

Radius = n
Diameter 256807976
Circumference 806786050.78486
Area 5.1797273191774E+16

Sphere

Radius = n
Volume 8.8679685937989E+24
Surface area 2.0718909276709E+17
Circumference 806786050.78486

Square

Length = n
Perimeter 513615952
Area 16487584134304144
Diagonal 181590661.29239

Cube

Length = n
Surface area 98925504805824864
Volume 2.1170715553302E+24
Space diagonal 222402231.11046

Equilateral Triangle

Length = n
Perimeter 385211964
Area 7.1393333536703E+15
Altitude 111201115.55523

Triangular Pyramid

Length = n
Surface area 7.1393333536703E+15
Volume 2.4949927550519E+23
Height 60530220.430797