128520939 (number)

128520939 is an odd 9-digits composite number following 128520938 and preceding 128520940. In scientific notation, it is written as 1.28520939 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 84228296 positive integers (up to 128520939) that are relatively prime to 128520939.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred twenty thousand nine hundred thirty-nine

Notation

Scientific notation 1.28520939 × 10^8
Engineering notation 1.28520939 × 10^6

Prime Factorization of 128520939

Prime Factorization 3 × 59 × 726107

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128520939
Product of the distinct prime numbers

The prime factorization of 128520939 is 3 × 59 × 726107. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128520939)

Multiplication

n×y
n×2 257041878
n×3 385562817
n×4 514083756
n×5 642604695

Division

n÷y
n÷2 64260469.5
n÷3 42840313
n÷3 32130234.75
n÷5 25704187.8

Exponentiation

ny
n2 16517631761441721
n3 2.1228615440367E+24
n4 2.7283215900659E+32
n5 3.5064645264924E+40

Nth Root

y√n
2√n 11336.707590831
3√n 504.65118414352
4√n 106.47397612013
5√n 41.859571467575

Divisors of 128520939

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 -128520938
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 128520939 can be divided by 8 positive divisors. The sum of these divisors (counting 128520939) is 1, the average is 0.125.

Base conversion 128520939

Base System Value
2 Binary 111101010010001001011101011
3 Ternary 22221211112120210
4 Quaternary 13222101023223
5 Quinary 230400132224
6 Senary 20430352203
8 Octal 752211353
10 Decimal 128520939
12 Duodecimal 3705b663
16 Hexadecimal 7a912eb
20 Vigesimal 203526j
36 Base36 24ine3

Cryptographic Hash Functions

md5 ae07cf940e83a4f5a31b8f44653dd2b8
sha1 cd2e4e80b7af59a4dbb6362332db08ba52e66bd7
sha256 8fd0e4dc18bbe6a4a384d9dc0dfa543ca3c8135d45a5f18885ba1b2e5999c683
sha512 b34c8353561e6c4d7e0f21b979cae75cc89550a0a12972b770772953215cfa2403041d5312c005c926754e8073303c71ad4950724a2de0c7e667a41ba8f7acea
ripemd-160 c2dd1a809025724e9241f80dd96f714f7cbd9d1d

128520939 as geometric shapes

Circle

Radius = n
Diameter 257041878
Circumference 807520875.58972
Area 5.1891670596447E+16

Sphere

Radius = n
Volume 8.8922216417787E+24
Surface area 2.0756668238579E+17
Circumference 807520875.58972

Square

Length = n
Perimeter 514083756
Area 16517631761441721
Diagonal 181756054.98273

Cube

Length = n
Surface area 99105790568650326
Volume 2.1228615440367E+24
Space diagonal 222604796.18446

Equilateral Triangle

Length = n
Perimeter 385562817
Area 7.1523443578826E+15
Altitude 111302398.09223

Triangular Pyramid

Length = n
Surface area 7.1523443578826E+15
Volume 2.5018163221808E+23
Height 60585351.660908