128520105 (number)

128520105 is an odd 9-digits composite number following 128520104 and preceding 128520106. In scientific notation, it is written as 1.28520105 × 10^8. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 58040256 positive integers (up to 128520105) that are relatively prime to 128520105.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28520105 × 10^8
Engineering notation 1.28520105 × 10^6

Prime Factorization of 128520105

Prime Factorization 21 × 5 × 83 × 14747

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128520105
Product of the distinct prime numbers

The prime factorization of 128520105 is 21 × 5 × 83 × 14747. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 65, 52, 378, 176, 3060, 9365, 1120, 95747, 809643, 290072, 5814410, 1165307, 74627605, 89485875, 786663051, 566482074, 4216179350, 2501597875

Basic calculations (n = 128520105)

Multiplication

n×y
n×2 257040210
n×3 385560315
n×4 514080420
n×5 642600525

Division

n÷y
n÷2 64260052.5
n÷3 42840035
n÷3 32130026.25
n÷5 25704021

Exponentiation

ny
n2 16517417389211025
n3 2.1228202171902E+24
n4 2.7282507720941E+32
n5 3.5063507569587E+40

Nth Root

y√n
2√n 11336.670807605
3√n 504.65009254448
4√n 106.47380338658
5√n 41.859517140282

Divisors of 128520105

1, 5, 21, 83, 105, 415, 1743, 8715, 14747, 73735, 309687, 1224001, 1548435, 6120005, 25704021, 128520105

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 -128520104
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 128520105 can be divided by 16 positive divisors. The sum of these divisors (counting 128520105) is 1, the average is 0.0625.

Base conversion 128520105

Base System Value
2 Binary 111101010010000111110101001
3 Ternary 22221211111102220
4 Quaternary 13222100332221
5 Quinary 230400120410
6 Senary 20430344253
8 Octal 752207651
10 Decimal 128520105
12 Duodecimal 3705b089
16 Hexadecimal 7a90fa9
20 Vigesimal 2035055
36 Base36 24imqx

Cryptographic Hash Functions

md5 f2be0200f1e8b98d86560a9921083e01
sha1 52924c80807bc5830d6f0a2a715d6e36731117ca
sha256 f61cc876d2dffec218c27af0df8a591ab4266632b25cd607c8768da431955467
sha512 efdb9d12220e3954f4e0a46d48285ee8688fd5cd2123d82bf7a3bb7bd6d1fef91d4a0d5787da73cf7fd7ae6e62800c51d26a5dae10f04f13f1a4ca0ec7c4d7af
ripemd-160 42a57e196cb4047cf072fe66907bda834665390b

128520105 as geometric shapes

Circle

Radius = n
Diameter 257040210
Circumference 807515635.41318
Area 5.1890997126222E+16

Sphere

Radius = n
Volume 8.8920485322889E+24
Surface area 2.0756398850489E+17
Circumference 807515635.41318

Square

Length = n
Perimeter 514080420
Area 16517417389211025
Diagonal 181754875.52861

Cube

Length = n
Surface area 99104504335266150
Volume 2.1228202171902E+24
Space diagonal 222603351.65409

Equilateral Triangle

Length = n
Perimeter 385560315
Area 7.1522515319838E+15
Altitude 111301675.82704

Triangular Pyramid

Length = n
Surface area 7.1522515319838E+15
Volume 2.5017676180252E+23
Height 60584958.509538