128691057 (number)

128691057 is an odd 9-digits composite number following 128691056 and preceding 128691058. In scientific notation, it is written as 1.28691057 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 77809680 positive integers (up to 128691057) that are relatively prime to 128691057.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million six hundred ninety-one thousand fifty-seven

Notation

Scientific notation 1.28691057 × 10^8
Engineering notation 1.28691057 × 10^6

Prime Factorization of 128691057

Prime Factorization 33 × 443 × 8803

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128691057
Product of the distinct prime numbers

The prime factorization of 128691057 is 33 × 443 × 8803. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 8, 90, 762, 809, 4263, 5350, 35746, 9224, 773247, 200105, 7648255, 2018406, 43730747, 35797994, 730620065, 86304255, 6271071442, 3238549672

Basic calculations (n = 128691057)

Multiplication

n×y
n×2 257382114
n×3 386073171
n×4 514764228
n×5 643455285

Division

n÷y
n÷2 64345528.5
n÷3 42897019
n÷3 32172764.25
n÷5 25738211.4

Exponentiation

ny
n2 16561388151777249
n3 2.1313025466395E+24
n4 2.7427957751383E+32
n5 3.5297328743768E+40

Nth Root

y√n
2√n 11344.20808166
3√n 504.873748134
4√n 106.50919247492
5√n 41.870647171313

Divisors of 128691057

1, 33, 443, 8803, 14619, 290499, 3899729, 128691057

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 -128691056
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 128691057 can be divided by 8 positive divisors. The sum of these divisors (counting 128691057) is 1, the average is 0.125.

Base conversion 128691057

Base System Value
2 Binary 111101010111010101101110001
3 Ternary 22222011011221110
4 Quaternary 13222322231301
5 Quinary 230421103212
6 Senary 20434143533
8 Octal 752725561
10 Decimal 128691057
12 Duodecimal 37121ba9
16 Hexadecimal 7abab71
20 Vigesimal 20467ch
36 Base36 24manl

Cryptographic Hash Functions

md5 4efff5be9140fb94b6f93e7bb82aaa56
sha1 132c5bb41572ace1e2129a2f6edd8d01d7fe709b
sha256 f4a68d32c3633cd42655b8bbff3401e67704386d3830b485906d9f825072148c
sha512 e6e1bd1397f7546356a58a834c3a71bb4c82f99e19b8af5ff0dd48f4c0c4adb96776d34492ad25b4692145446ec69f27a0aa48c08804d163fb878fb4e3279a87
ripemd-160 f7fee573a1b9ab61df09d8e10ee310e67b929e24

128691057 as geometric shapes

Circle

Radius = n
Diameter 257382114
Circumference 808589758.50781
Area 5.2029135350872E+16

Sphere

Radius = n
Volume 8.9275792307998E+24
Surface area 2.0811654140349E+17
Circumference 808589758.50781

Square

Length = n
Perimeter 514764228
Area 16561388151777249
Diagonal 181996638.16553

Cube

Length = n
Surface area 99368328910663494
Volume 2.1313025466395E+24
Space diagonal 222899449.20374

Equilateral Triangle

Length = n
Perimeter 386073171
Area 7.1712914306869E+15
Altitude 111449724.60187

Triangular Pyramid

Length = n
Surface area 7.1712914306869E+15
Volume 2.5117641391482E+23
Height 60665546.055176