128865624 (number)

128865624 is an even 9-digits composite number following 128865623 and preceding 128865625. In scientific notation, it is written as 1.28865624 × 10^8. The sum of its digits is 42. It has a total of 7 prime factors and 64 positive divisors. There are 41610240 positive integers (up to 128865624) that are relatively prime to 128865624.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28865624 × 10^8
Engineering notation 1.28865624 × 10^6

Prime Factorization of 128865624

Prime Factorization 2 × 2 × 2 × 3 × 41 × 173 × 757

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 32216406
Product of the distinct prime numbers

The prime factorization of 128865624 is 2 × 2 × 2 × 3 × 41 × 173 × 757. Since it has a total of 7 prime factors.

Most popular turbo-numbers

8, 4, 6, 41, 819, 362, 703, 674, 67669, 48203, 552047, 695008, 3987447, 649472, 30776147, 76650065, 767466056, 228954571, 235130943, 8087088042

Basic calculations (n = 128865624)

Multiplication

n×y
n×2 257731248
n×3 386596872
n×4 515462496
n×5 644328120

Division

n÷y
n÷2 64432812
n÷3 42955208
n÷3 32216406
n÷5 25773124.8

Exponentiation

ny
n2 16606349048909376
n3 2.1399875325495E+24
n4 2.7577082873421E+32
n5 3.5537379925832E+40

Nth Root

y√n
2√n 11351.899576723
3√n 505.10192890742
4√n 106.54529354562
5√n 41.882000362009

Divisors of 128865624

1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 173, 246, 328, 346, 492, 519, 692, 757, 984, 1038, 1384, 1514, 2076, 2271, 3028, 4152, 4542, 6056, 7093, 9084, 14186, 18168, 21279, 28372, 31037, 42558, 56744, 62074, 85116, 93111, 124148, 130961, 170232, 186222, 248296, 261922, 372444, 392883, 523844, 744888, 785766, 1047688, 1571532, 3143064, 5369401, 10738802, 16108203, 21477604, 32216406, 42955208, 64432812, 128865624

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 -128865623
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 128865624 can be divided by 64 positive divisors. The sum of these divisors (counting 128865624) is 1, the average is 0.015625.

Base conversion 128865624

Base System Value
2 Binary 111101011100101010101011000
3 Ternary 22222111001101220
4 Quaternary 13223211111120
5 Quinary 230442144444
6 Senary 20442012040
8 Octal 753452530
10 Decimal 128865624
12 Duodecimal 371a7020
16 Hexadecimal 7ae5558
20 Vigesimal 2058414
36 Base36 24q1co

Cryptographic Hash Functions

md5 292780c69b618a368e6a9249a617b653
sha1 15cc417299628bb66721e0069844d4d816bd53a2
sha256 2ccd665d4720d1d6c0f92c33f2017e9b541271b54f29d8cd3dc4815020963813
sha512 aef3651020d2586c0b8c921d8ff3a2413401af612a45f6bc02c613ca247dc57875a50da5531d6abe237b8b30aeac11e1673697e11f0efeb6018882c33c767992
ripemd-160 77e79c837564b26f69f28fbfe63b08308bcdbfec

128865624 as geometric shapes

Circle

Radius = n
Diameter 257731248
Circumference 809686595.31733
Area 5.2170384175002E+16

Sphere

Radius = n
Volume 8.9639588147084E+24
Surface area 2.0868153670001E+17
Circumference 809686595.31733

Square

Length = n
Perimeter 515462496
Area 16606349048909376
Diagonal 182243513.18447

Cube

Length = n
Surface area 99638094293456256
Volume 2.1399875325495E+24
Space diagonal 223201808.11707

Equilateral Triangle

Length = n
Perimeter 386596872
Area 7.1907600702335E+15
Altitude 111600904.05853

Triangular Pyramid

Length = n
Surface area 7.1907600702335E+15
Volume 2.5219994932007E+23
Height 60747837.728157