128866072 (number)

128866072 is an even 9-digits composite number following 128866071 and preceding 128866073. In scientific notation, it is written as 1.28866072 × 10^8. The sum of its digits is 40. It has a total of 4 prime factors and 8 positive divisors. There are 64433032 positive integers (up to 128866072) that are relatively prime to 128866072.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million eight hundred sixty-six thousand seventy-two

Notation

Scientific notation 1.28866072 × 10^8
Engineering notation 1.28866072 × 10^6

Prime Factorization of 128866072

Prime Factorization 2 × 2 × 2 × 16108259

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 32216518
Product of the distinct prime numbers

The prime factorization of 128866072 is 2 × 2 × 2 × 16108259. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128866072)

Multiplication

n×y
n×2 257732144
n×3 386598216
n×4 515464288
n×5 644330360

Division

n÷y
n÷2 64433036
n÷3 42955357.333333
n÷3 32216518
n÷5 25773214.4

Exponentiation

ny
n2 16606464512709184
n3 2.1400098515602E+24
n4 2.7577466361187E+32
n5 3.5537997656783E+40

Nth Root

y√n
2√n 11351.919309086
3√n 505.10251423394
4√n 106.5453861464
5√n 41.882029482436

Divisors of 128866072

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 -128866071
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 128866072 can be divided by 8 positive divisors. The sum of these divisors (counting 128866072) is 1, the average is 0.125.

Base conversion 128866072

Base System Value
2 Binary 111101011100101011100011000
3 Ternary 22222111002000111
4 Quaternary 13223211130120
5 Quinary 230442203242
6 Senary 20442014104
8 Octal 753453430
10 Decimal 128866072
12 Duodecimal 371a7334
16 Hexadecimal 7ae5718
20 Vigesimal 205853c
36 Base36 24q1p4

Cryptographic Hash Functions

md5 b2144bed12c978c5c1be6fe990ca75d3
sha1 6b71a46b8c5fc63baf2e2f9c01eedd21613e8dfa
sha256 a0dd5946be77888700dfb439f881a6553baa645452aad33a8b3e49e44510faf4
sha512 236aaf69bb79693e330c8a28930a30b81c6d02e1b44912db8f3bd9e7e9119bba7d31b898d7c57c311bba1ad984c11e320b9fcc52b817b4845ecf589fd7cc3f72
ripemd-160 c2efe3a17f140a52e09795bcdf7be02c82da9061

128866072 as geometric shapes

Circle

Radius = n
Diameter 257732144
Circumference 809689410.18435
Area 5.2170746915227E+16

Sphere

Radius = n
Volume 8.9640523043619E+24
Surface area 2.0868298766091E+17
Circumference 809689410.18435

Square

Length = n
Perimeter 515464288
Area 16606464512709184
Diagonal 182244146.75215

Cube

Length = n
Surface area 99638787076255104
Volume 2.1400098515602E+24
Space diagonal 223202584.07583

Equilateral Triangle

Length = n
Perimeter 386598216
Area 7.1908100675255E+15
Altitude 111601292.03791

Triangular Pyramid

Length = n
Surface area 7.1908100675255E+15
Volume 2.5220257964071E+23
Height 60748048.917383