128694087 (number)

128694087 is an odd 9-digits composite number following 128694086 and preceding 128694088. In scientific notation, it is written as 1.28694087 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 81068688 positive integers (up to 128694087) that are relatively prime to 128694087.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million six hundred ninety-four thousand eighty-seven

Notation

Scientific notation 1.28694087 × 10^8
Engineering notation 1.28694087 × 10^6

Prime Factorization of 128694087

Prime Factorization 9 × 19 × 1439 × 523

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128694087
Product of the distinct prime numbers

The prime factorization of 128694087 is 9 × 19 × 1439 × 523. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 2, 32, 46, 675, 699, 4239, 2749, 75345, 69941, 808566, 816501, 7265838, 139995, 75245462, 44377710, 450750219, 13180060, 3938959768, 5540262966

Basic calculations (n = 128694087)

Multiplication

n×y
n×2 257388174
n×3 386082261
n×4 514776348
n×5 643470435

Division

n÷y
n÷2 64347043.5
n÷3 42898029
n÷3 32173521.75
n÷5 25738817.4

Exponentiation

ny
n2 16562168028763569
n3 2.1314530932023E+24
n4 2.74305409813E+32
n5 3.5301484275045E+40

Nth Root

y√n
2√n 11344.3416292
3√n 504.87771047991
4√n 106.50981940272
5√n 41.870844336321

Divisors of 128694087

1, 9, 19, 171, 523, 1439, 4707, 9937, 12951, 27341, 89433, 246069, 752597, 6773373, 14299343, 128694087

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 -128694086
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 128694087 can be divided by 16 positive divisors. The sum of these divisors (counting 128694087) is 1, the average is 0.0625.

Base conversion 128694087

Base System Value
2 Binary 111101010111011011101000111
3 Ternary 22222011100002200
4 Quaternary 13222323131013
5 Quinary 230421202322
6 Senary 20434205543
8 Octal 752733507
10 Decimal 128694087
12 Duodecimal 371238b3
16 Hexadecimal 7abb747
20 Vigesimal 2046f47
36 Base36 24mczr

Cryptographic Hash Functions

md5 d9df7b86f277a0bcc144dd6e13ea7b75
sha1 b4088d892b302a5bbd2a4c3b3f70012f6d2c6db7
sha256 a60afca7a852e31aa94bcecc8c5af3e6ef6ee4410dda3e080e69ec7300a83489
sha512 ef4858b4174ac32b4f2f4a0099db48fc24c33465b78d05e99e9ffeeb905112a576321c831c27c41341ef5efbbdd7e4f7b6e0cd8f3b87220a362c819c9eab526e
ripemd-160 05973fe9da11ba2493468649d558d710a3718912

128694087 as geometric shapes

Circle

Radius = n
Diameter 257388174
Circumference 808608796.55929
Area 5.2031585406683E+16

Sphere

Radius = n
Volume 8.9282098387675E+24
Surface area 2.0812634162673E+17
Circumference 808608796.55929

Square

Length = n
Perimeter 514776348
Area 16562168028763569
Diagonal 182000923.23262

Cube

Length = n
Surface area 99373008172581414
Volume 2.1314530932023E+24
Space diagonal 222904697.31769

Equilateral Triangle

Length = n
Perimeter 386082261
Area 7.1716291273278E+15
Altitude 111452348.65884

Triangular Pyramid

Length = n
Surface area 7.1716291273278E+15
Volume 2.511941559974E+23
Height 60666974.410874