128528764 (number)

128528764 is an even 9-digits composite number following 128528763 and preceding 128528765. In scientific notation, it is written as 1.28528764 × 10^8. The sum of its digits is 43. It has a total of 7 prime factors and 72 positive divisors. There are 50077440 positive integers (up to 128528764) that are relatively prime to 128528764.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred twenty-eight thousand seven hundred sixty-four

Notation

Scientific notation 1.28528764 × 10^8
Engineering notation 1.28528764 × 10^6

Prime Factorization of 128528764

Prime Factorization 2 × 2 × 7 × 7 × 13 × 73 × 691

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 9180626
Product of the distinct prime numbers

The prime factorization of 128528764 is 2 × 2 × 7 × 7 × 13 × 73 × 691. Since it has a total of 7 prime factors.

Most popular turbo-numbers

2, 2, 26, 7, 259, 651, 3899, 6177, 94557, 21873, 56665, 430214, 5443504, 9173641, 17917657, 43960262, 11264753, 129202603, 9685711370, 9800864603

Basic calculations (n = 128528764)

Multiplication

n×y
n×2 257057528
n×3 385586292
n×4 514115056
n×5 642643820

Division

n÷y
n÷2 64264382
n÷3 42842921.333333
n÷3 32132191
n÷5 25705752.8

Exponentiation

ny
n2 16519643175367696
n3 2.123249319051E+24
n4 2.7289861064147E+32
n5 3.5075321123066E+40

Nth Root

y√n
2√n 11337.052703415
3√n 504.66142583489
4√n 106.47559675069
5√n 41.860081179335

Divisors of 128528764

1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 73, 91, 98, 146, 182, 196, 292, 364, 511, 637, 691, 949, 1022, 1274, 1382, 1898, 2044, 2548, 2764, 3577, 3796, 4837, 6643, 7154, 8983, 9674, 13286, 14308, 17966, 19348, 26572, 33859, 35932, 46501, 50443, 62881, 67718, 93002, 100886, 125762, 135436, 186004, 201772, 251524, 353101, 440167, 655759, 706202, 880334, 1311518, 1412404, 1760668, 2471707, 2623036, 4590313, 4943414, 9180626, 9886828, 18361252, 32132191, 64264382, 128528764

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128528763
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128528764 can be divided by 72 positive divisors. The sum of these divisors (counting 128528764) is 1, the average is 0.013888888888889.

Base conversion 128528764

Base System Value
2 Binary 111101010010011000101111100
3 Ternary 22221211221022121
4 Quaternary 13222103011330
5 Quinary 230400410024
6 Senary 20430452324
8 Octal 752230574
10 Decimal 128528764
12 Duodecimal 370640a4
16 Hexadecimal 7a9317c
20 Vigesimal 20361i4
36 Base36 24itfg

Cryptographic Hash Functions

md5 244966216f642223bf652bf77de5efbc
sha1 0dd52bebc3ff861248f6ff6073fc3c1df928561e
sha256 a8984b80051bea40a0f18dc735a25aa9772de371dc1dc5cfb587d0890212505c
sha512 54ae477e9916e6b2c1660e91621353fb21badc6cccaf218ec8589a4c6b62e72d0c1039036ddae68ddee44ee336c3341c211a6be2411c03001a00a7ab5fc925ed
ripemd-160 ed56300c0aca6f88e0a2b609b3598c350254e589

128528764 as geometric shapes

Circle

Radius = n
Diameter 257057528
Circumference 807570041.51475
Area 5.189798963966E+16

Sphere

Radius = n
Volume 8.8938459499604E+24
Surface area 2.0759195855864E+17
Circumference 807570041.51475

Square

Length = n
Perimeter 514115056
Area 16519643175367696
Diagonal 181767121.20385

Cube

Length = n
Surface area 99117859052206176
Volume 2.123249319051E+24
Space diagonal 222618349.48203

Equilateral Triangle

Length = n
Perimeter 385586292
Area 7.1532153256613E+15
Altitude 111309174.74101

Triangular Pyramid

Length = n
Surface area 7.1532153256613E+15
Volume 2.5022733194179E+23
Height 60589040.401284