128400538 (number)

128400538 is an even 9-digits composite number following 128400537 and preceding 128400539. In scientific notation, it is written as 1.28400538 × 10^8. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 55028796 positive integers (up to 128400538) that are relatively prime to 128400538.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28400538 × 10^8
Engineering notation 1.28400538 × 10^6

Prime Factorization of 128400538

Prime Factorization 2 × 7 × 9171467

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128400538
Product of the distinct prime numbers

The prime factorization of 128400538 is 2 × 7 × 9171467. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128400538)

Multiplication

n×y
n×2 256801076
n×3 385201614
n×4 513602152
n×5 642002690

Division

n÷y
n÷2 64200269
n÷3 42800179.333333
n÷3 32100134.5
n÷5 25680107.6

Exponentiation

ny
n2 16486698158689444
n3 2.1169009134193E+24
n4 2.7181121617573E+32
n5 3.4900706391399E+40

Nth Root

y√n
2√n 11331.396118749
3√n 504.49354578133
4√n 106.44903061442
5√n 41.851725549283

Divisors of 128400538

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 -128400537
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 128400538 can be divided by 8 positive divisors. The sum of these divisors (counting 128400538) is 1, the average is 0.125.

Base conversion 128400538

Base System Value
2 Binary 111101001110011110010011010
3 Ternary 22221121102102111
4 Quaternary 13221303302122
5 Quinary 230332304123
6 Senary 20424022534
8 Octal 751636232
10 Decimal 128400538
12 Duodecimal 37001a4a
16 Hexadecimal 7a73c9a
20 Vigesimal 202a16i
36 Base36 24g2hm

Cryptographic Hash Functions

md5 762bb08c14fec0cf1b8bd06df5a9f450
sha1 796aa9610f81750f15051820ca0e0118e755195d
sha256 2cc0c3175ccdfa379d6b5f7fc906f19bb4b25ef2a4e031c790cb1d83668ba989
sha512 a2b002c3897dc261d06a005aacb0175ccf19aebb8f672be96cd39c817d1b310dc77669ba80aa0db70f386e8cbc18665384532cf61c7bbf0aa12cc3fe380388bb
ripemd-160 c7a71a2110b9d362e04188da156fbf8bb87b3a7e

128400538 as geometric shapes

Circle

Radius = n
Diameter 256801076
Circumference 806764373.79555
Area 5.1794489817291E+16

Sphere

Radius = n
Volume 8.8672538106343E+24
Surface area 2.0717795926916E+17
Circumference 806764373.79555

Square

Length = n
Perimeter 513602152
Area 16486698158689444
Diagonal 181585782.2556

Cube

Length = n
Surface area 98920188952136664
Volume 2.1169009134193E+24
Space diagonal 222396255.53518

Equilateral Triangle

Length = n
Perimeter 385201614
Area 7.1389497149756E+15
Altitude 111198127.76759

Triangular Pyramid

Length = n
Surface area 7.1389497149756E+15
Volume 2.4947916516313E+23
Height 60528594.085201