128400726 (number)

128400726 is an even 9-digits composite number following 128400725 and preceding 128400727. In scientific notation, it is written as 1.28400726 × 10^8. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 42800240 positive integers (up to 128400726) that are relatively prime to 128400726.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28400726 × 10^8
Engineering notation 1.28400726 × 10^6

Prime Factorization of 128400726

Prime Factorization 2 × 3 × 21400121

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128400726
Product of the distinct prime numbers

The prime factorization of 128400726 is 2 × 3 × 21400121. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 6, 14, 9, 550, 549, 6022, 6890, 63521, 71885, 537937, 672992, 8054259, 7654637, 19628115, 93256538, 304556233, 896174987, 2630562080, 7021405276

Basic calculations (n = 128400726)

Multiplication

n×y
n×2 256801452
n×3 385202178
n×4 513602904
n×5 642003630

Division

n÷y
n÷2 64200363
n÷3 42800242
n÷3 32100181.5
n÷5 25680145.2

Exponentiation

ny
n2 16486746437327076
n3 2.1169102119307E+24
n4 2.7181280808872E+32
n5 3.490096189469E+40

Nth Root

y√n
2√n 11331.404414282
3√n 504.49379200237
4√n 106.44906957922
5√n 41.851737804869

Divisors of 128400726

1, 2, 3, 6, 21400121, 42800242, 64200363, 128400726

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 -128400725
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 128400726 can be divided by 8 positive divisors. The sum of these divisors (counting 128400726) is 1, the average is 0.125.

Base conversion 128400726

Base System Value
2 Binary 111101001110011110101010110
3 Ternary 22221121102200110
4 Quaternary 13221303311112
5 Quinary 230332310401
6 Senary 20424023450
8 Octal 751636526
10 Decimal 128400726
12 Duodecimal 37001b86
16 Hexadecimal 7a73d56
20 Vigesimal 202a1g6
36 Base36 24g2mu

Cryptographic Hash Functions

md5 2b9a13f48e1bc82b3ce0ee8fec94521a
sha1 f1cee08d943284d1d9df45cf1093d0f6490f5132
sha256 90f7dc0ddf52a95afead853b17d0d7b323f49feb6638cf0abc6885a8c96e7c5d
sha512 6b85c0cc3a51d190f6e5af44eab189f923026dc5d35d92301d41010b05167ba0074c37ec56f33f9eb7b2bed9fa5c38d206860e360f02e785c0afeafc36415a5c
ripemd-160 b3d7697bafe93288a893180ccd8c9df971c71bf1

128400726 as geometric shapes

Circle

Radius = n
Diameter 256801452
Circumference 806765555.03439
Area 5.1794641489104E+16

Sphere

Radius = n
Volume 8.8672927601476E+24
Surface area 2.0717856595642E+17
Circumference 806765555.03439

Square

Length = n
Perimeter 513602904
Area 16486746437327076
Diagonal 181586048.12775

Cube

Length = n
Surface area 98920478623962456
Volume 2.1169102119307E+24
Space diagonal 222396581.16073

Equilateral Triangle

Length = n
Perimeter 385202178
Area 7.1389706202389E+15
Altitude 111198290.58037

Triangular Pyramid

Length = n
Surface area 7.1389706202389E+15
Volume 2.4948026100321E+23
Height 60528682.709251