128525915 (number)

128525915 is an odd 9-digits composite number following 128525914 and preceding 128525916. In scientific notation, it is written as 1.28525915 × 10^8. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 86198400 positive integers (up to 128525915) that are relatively prime to 128525915.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28525915 × 10^8
Engineering notation 1.28525915 × 10^6

Prime Factorization of 128525915

Prime Factorization 35 × 151 × 83 × 293

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128525915
Product of the distinct prime numbers

The prime factorization of 128525915 is 35 × 151 × 83 × 293. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 3, 2, 69, 506, 740, 437, 8777, 66881, 23479, 974172, 934571, 2588966, 2553, 52816815, 31484696, 257926205, 557517296, 3379061734, 1321305345

Basic calculations (n = 128525915)

Multiplication

n×y
n×2 257051830
n×3 385577745
n×4 514103660
n×5 642629575

Division

n÷y
n÷2 64262957.5
n÷3 42841971.666667
n÷3 32131478.75
n÷5 25705183

Exponentiation

ny
n2 16518910826587225
n3 2.1231081287905E+24
n4 2.7287441489674E+32
n5 3.5071433854693E+40

Nth Root

y√n
2√n 11336.927052778
3√n 504.65769699116
4√n 106.47500670475
5√n 41.859895601531

Divisors of 128525915

1, 35, 83, 151, 293, 2905, 5285, 10255, 12533, 24319, 44243, 438655, 851165, 1548505, 3672169, 128525915

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 -128525914
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 128525915 can be divided by 16 positive divisors. The sum of these divisors (counting 128525915) is 1, the average is 0.0625.

Base conversion 128525915

Base System Value
2 Binary 111101010010010011001011011
3 Ternary 22221211210102002
4 Quaternary 13222102121123
5 Quinary 230400312130
6 Senary 20430431215
8 Octal 752223133
10 Decimal 128525915
12 Duodecimal 3706250b
16 Hexadecimal 7a9265b
20 Vigesimal 2035eff
36 Base36 24ir8b

Cryptographic Hash Functions

md5 8e7a7712880ac4509e200b75984ad487
sha1 250095434308bb7e4a5bc1e1bbef9a994230e169
sha256 bfd23718716144325e29d39647aae20ae90b99db4e54c62deb87903de0c83d36
sha512 12e44675427a15033950ded814a91026069a6d595c74fe8c750ba843d9a731106f1b467e9d82251fc26fdaa559655e34794569601dc2b182b62423309667ba7d
ripemd-160 24fa6bd7f911d797748e87496fd2e38d5f9a5018

128525915 as geometric shapes

Circle

Radius = n
Diameter 257051830
Circumference 807552140.71981
Area 5.1895688898111E+16

Sphere

Radius = n
Volume 8.8932545335801E+24
Surface area 2.0758275559245E+17
Circumference 807552140.71981

Square

Length = n
Perimeter 514103660
Area 16518910826587225
Diagonal 181763092.10941

Cube

Length = n
Surface area 99113464959523350
Volume 2.1231081287905E+24
Space diagonal 222613414.86928

Equilateral Triangle

Length = n
Perimeter 385577745
Area 7.1528982093372E+15
Altitude 111306707.43464

Triangular Pyramid

Length = n
Surface area 7.1528982093372E+15
Volume 2.5021069251001E+23
Height 60587697.369804