128529891 (number)

128529891 is an odd 9-digits composite number following 128529890 and preceding 128529892. In scientific notation, it is written as 1.28529891 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 73156608 positive integers (up to 128529891) that are relatively prime to 128529891.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28529891 × 10^8
Engineering notation 1.28529891 × 10^6

Prime Factorization of 128529891

Prime Factorization 9 × 7 × 7 × 379 × 769

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18361413
Product of the distinct prime numbers

The prime factorization of 128529891 is 9 × 7 × 7 × 379 × 769. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 1, 71, 36, 404, 77, 5752, 5977, 7919, 54208, 776067, 455111, 8055653, 1596772, 41968202, 94912254, 910844745, 809184068, 1405884916, 8310631393

Basic calculations (n = 128529891)

Multiplication

n×y
n×2 257059782
n×3 385589673
n×4 514119564
n×5 642649455

Division

n÷y
n÷2 64264945.5
n÷3 42843297
n÷3 32132472.75
n÷5 25705978.2

Exponentiation

ny
n2 16519932880471881
n3 2.1233051724544E+24
n4 2.729081823753E+32
n5 3.5076858933705E+40

Nth Root

y√n
2√n 11337.102407582
3√n 504.66290086597
4√n 106.47583015681
5√n 41.86015458881

Divisors of 128529891

1, 7, 9, 49, 63, 379, 441, 769, 2653, 3411, 5383, 6921, 18571, 23877, 37681, 48447, 167139, 291451, 339129, 2040157, 2623059, 14281099, 18361413, 128529891

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128529890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128529891 can be divided by 24 positive divisors. The sum of these divisors (counting 128529891) is 1, the average is 0.041666666666667.

Base conversion 128529891

Base System Value
2 Binary 111101010010011010111100011
3 Ternary 22221211222212100
4 Quaternary 13222103113203
5 Quinary 230400424031
6 Senary 20430501443
8 Octal 752232743
10 Decimal 128529891
12 Duodecimal 37064883
16 Hexadecimal 7a935e3
20 Vigesimal 20364eb
36 Base36 24iuar

Cryptographic Hash Functions

md5 af190b21275186dcb42208f976a71cbe
sha1 a922950a476e622acfe35e2f1c9194eb380170d3
sha256 6f0e00a65ac5cba66bd726541867d85185b8e9bb680669be3a561fa29f3d6729
sha512 cfd979859640edb9ab77b53188ca0c86598317ce4235d78d1f0586d3a321260dc7c0e191621c71cf6413f2a0ecb8c8b87e1af0f421717cf4fefef4c6cf40be3a
ripemd-160 5dcf6d7183026e770fe6f9b74e7ea43c2bc9076e

128529891 as geometric shapes

Circle

Radius = n
Diameter 257059782
Circumference 807577122.66459
Area 5.1898899775087E+16

Sphere

Radius = n
Volume 8.8940799081491E+24
Surface area 2.0759559910035E+17
Circumference 807577122.66459

Square

Length = n
Perimeter 514119564
Area 16519932880471881
Diagonal 181768715.02254

Cube

Length = n
Surface area 99119597282831286
Volume 2.1233051724544E+24
Space diagonal 222620301.50329

Equilateral Triangle

Length = n
Perimeter 385589673
Area 7.1533407716512E+15
Altitude 111310150.75164

Triangular Pyramid

Length = n
Surface area 7.1533407716512E+15
Volume 2.5023391432849E+23
Height 60589571.674179