128540907 (number)

128540907 is an odd 9-digits composite number following 128540906 and preceding 128540908. In scientific notation, it is written as 1.28540907 × 10^8. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 76736880 positive integers (up to 128540907) that are relatively prime to 128540907.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred forty thousand nine hundred seven

Notation

Scientific notation 1.28540907 × 10^8
Engineering notation 1.28540907 × 10^6

Prime Factorization of 128540907

Prime Factorization 9 × 11 × 67 × 19379

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128540907
Product of the distinct prime numbers

The prime factorization of 128540907 is 9 × 11 × 67 × 19379. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128540907)

Multiplication

n×y
n×2 257081814
n×3 385622721
n×4 514163628
n×5 642704535

Division

n÷y
n÷2 64270453.5
n÷3 42846969
n÷3 32135226.75
n÷5 25708181.4

Exponentiation

ny
n2 16522764772382649
n3 2.1238511699897E+24
n4 2.7300175572349E+32
n5 3.509189329329E+40

Nth Root

y√n
2√n 11337.588235599
3√n 504.6773182845
4√n 106.47811153284
5√n 41.860872111639

Divisors of 128540907

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 -128540906
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 128540907 can be divided by 16 positive divisors. The sum of these divisors (counting 128540907) is 1, the average is 0.0625.

Base conversion 128540907

Base System Value
2 Binary 111101010010110000011101011
3 Ternary 22221212112222100
4 Quaternary 13222112003223
5 Quinary 230401302112
6 Senary 20431024443
8 Octal 752260353
10 Decimal 128540907
12 Duodecimal 3706b123
16 Hexadecimal 7a960eb
20 Vigesimal 2037c57
36 Base36 24j2sr

Cryptographic Hash Functions

md5 cee677c4c5c0f73b4bb93f6101302a31
sha1 de84b742ee433c6b1a652e5809c7e90a1f987233
sha256 5ca21512f7bf1976868c25abb71adcdd0c8bbdf37dd11dc8404957df6e24f4d8
sha512 6895dd5f2ae82afc8dd50c9d5135b8ca9d44348a530d327d0efc504690786b282d22b9ad4a1798c3b910e455bbb77fc897ccfaecdff83af8b0f60a1947b40407
ripemd-160 b7288ccd4356b0fdcbc38687dc73370d894bbb47

128540907 as geometric shapes

Circle

Radius = n
Diameter 257081814
Circumference 807646338.23394
Area 5.190779642591E+16

Sphere

Radius = n
Volume 8.896366977277E+24
Surface area 2.0763118570364E+17
Circumference 807646338.23394

Square

Length = n
Perimeter 514163628
Area 16522764772382649
Diagonal 181784293.99914

Cube

Length = n
Surface area 99136588634295894
Volume 2.1238511699897E+24
Space diagonal 222639381.77499

Equilateral Triangle

Length = n
Perimeter 385622721
Area 7.154567016819E+15
Altitude 111319690.88749

Triangular Pyramid

Length = n
Surface area 7.154567016819E+15
Volume 2.5029826075512E+23
Height 60594764.66638