128388520 (number)

128388520 is an even 9-digits composite number following 128388519 and preceding 128388521. In scientific notation, it is written as 1.28388520 × 10^8. The sum of its digits is 37. It has a total of 7 prime factors and 64 positive divisors. There are 46116864 positive integers (up to 128388520) that are relatively prime to 128388520.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28388520 × 10^8
Engineering notation 1.28388520 × 10^6

Prime Factorization of 128388520

Prime Factorization 2 × 2 × 2 × 13 × 5 × 37 × 6673

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 32097130
Product of the distinct prime numbers

The prime factorization of 128388520 is 2 × 2 × 2 × 13 × 5 × 37 × 6673. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 4, 100, 81, 596, 655, 1660, 9220, 25056, 13052, 498825, 535588, 2309906, 8915477, 51680342, 93783376, 49088133, 675512175, 9537357102, 2513440406

Basic calculations (n = 128388520)

Multiplication

n×y
n×2 256777040
n×3 385165560
n×4 513554080
n×5 641942600

Division

n÷y
n÷2 64194260
n÷3 42796173.333333
n÷3 32097130
n÷5 25677704

Exponentiation

ny
n2 16483612067790400
n3 2.1163065576377E+24
n4 2.7170946680141E+32
n5 3.4884376312622E+40

Nth Root

y√n
2√n 11330.865809813
3√n 504.47780547188
4√n 106.44653967985
5√n 41.850942074575

Divisors of 128388520

1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 6673, 9620, 13346, 19240, 26692, 33365, 53384, 66730, 86749, 133460, 173498, 246901, 266920, 346996, 433745, 493802, 693992, 867490, 987604, 1234505, 1734980, 1975208, 2469010, 3209713, 3469960, 4938020, 6419426, 9876040, 12838852, 16048565, 25677704, 32097130, 64194260, 128388520

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128388519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128388520 can be divided by 64 positive divisors. The sum of these divisors (counting 128388520) is 1, the average is 0.015625.

Base conversion 128388520

Base System Value
2 Binary 111101001110000110110101000
3 Ternary 22221120210221101
4 Quaternary 13221300312220
5 Quinary 230331413040
6 Senary 20423451144
8 Octal 751606650
10 Decimal 128388520
12 Duodecimal 36bb6ab4
16 Hexadecimal 7a70da8
20 Vigesimal 2028b60
36 Base36 24ft7s

Cryptographic Hash Functions

md5 51108b744c673d73d041156214f63c79
sha1 d0206ae5b6c2e23ca7fd13a6afea6229cf879503
sha256 fb853cced8f57777e4863f2cc90e520a2b9cb514263f37e3f7fd4b2d30f974ba
sha512 61807ed2d0eada35535bfbed79e8e1112a1e9d9730d57bc291171ee8a825b56bca42f90c7e4f9a22f2ffa747a707e9c55b6e99b8b22c09bba2fe28d2f1c09f39
ripemd-160 996f66c20c1fb0d1e7858c444c7f95fb4f40c675

128388520 as geometric shapes

Circle

Radius = n
Diameter 256777040
Circumference 806688862.47453
Area 5.1784794576794E+16

Sphere

Radius = n
Volume 8.8647641789582E+24
Surface area 2.0713917830718E+17
Circumference 806688862.47453

Square

Length = n
Perimeter 513554080
Area 16483612067790400
Diagonal 181568786.23701

Cube

Length = n
Surface area 98901672406742400
Volume 2.1163065576377E+24
Space diagonal 222375439.74857

Equilateral Triangle

Length = n
Perimeter 385165560
Area 7.1376133984171E+15
Altitude 111187719.87429

Triangular Pyramid

Length = n
Surface area 7.1376133984171E+15
Volume 2.4940911966254E+23
Height 60522928.74567