128869240 (number)

128869240 is an even 9-digits composite number following 128869239 and preceding 128869241. In scientific notation, it is written as 1.28869240 × 10^8. The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors. There are 51547680 positive integers (up to 128869240) that are relatively prime to 128869240.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million eight hundred sixty-nine thousand two hundred forty

Notation

Scientific notation 1.28869240 × 10^8
Engineering notation 1.28869240 × 10^6

Prime Factorization of 128869240

Prime Factorization 2 × 2 × 2 × 5 × 3221731

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 32217310
Product of the distinct prime numbers

The prime factorization of 128869240 is 2 × 2 × 2 × 5 × 3221731. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 5, 70, 69, 793, 493, 2074, 3143, 6311, 12812, 193551, 258484, 3980874, 7613020, 57865325, 78163766, 423376650, 538969640, 3039418044, 894740948

Basic calculations (n = 128869240)

Multiplication

n×y
n×2 257738480
n×3 386607720
n×4 515476960
n×5 644346200

Division

n÷y
n÷2 64434620
n÷3 42956413.333333
n÷3 32217310
n÷5 25773848

Exponentiation

ny
n2 16607281018177600
n3 2.140167683279E+24
n4 2.7580178281672E+32
n5 3.5542366142236E+40

Nth Root

y√n
2√n 11352.058844104
3√n 505.10665328991
4√n 106.54604095931
5√n 41.882235403145

Divisors of 128869240

1, 2, 4, 5, 8, 10, 20, 40, 3221731, 6443462, 12886924, 16108655, 25773848, 32217310, 64434620, 128869240

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 -128869239
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 128869240 can be divided by 16 positive divisors. The sum of these divisors (counting 128869240) is 1, the average is 0.0625.

Base conversion 128869240

Base System Value
2 Binary 111101011100110001101111000
3 Ternary 22222111020100211
4 Quaternary 13223212031320
5 Quinary 230442303430
6 Senary 20442040504
8 Octal 753461570
10 Decimal 128869240
12 Duodecimal 371a9134
16 Hexadecimal 7ae6378
20 Vigesimal 2058d20
36 Base36 24q454

Cryptographic Hash Functions

md5 8fd3627f0f147a2860425f18660b18f9
sha1 3fe6c8b9ef9699205a4b49aa77f9067f85ccb449
sha256 0e0910dc8842346fb6f9bdb267e48388a47a3351c583c4a5e900e5508d846174
sha512 d92b60f19565f919288d84a07d12ab95947e406b29cd853b475f4cade8dc85596f6ca6da119d377c311192dfc4e172dad7a3b0daa6d845b0bbcabf2f0ae9b7ec
ripemd-160 ee879b3927a796efaf8f87d1cf4cc04b527827d2

128869240 as geometric shapes

Circle

Radius = n
Diameter 257738480
Circumference 809709315.3154
Area 5.2173312042808E+16

Sphere

Radius = n
Volume 8.9647134283193E+24
Surface area 2.0869324817123E+17
Circumference 809709315.3154

Square

Length = n
Perimeter 515476960
Area 16607281018177600
Diagonal 182248626.98071

Cube

Length = n
Surface area 99643686109065600
Volume 2.140167683279E+24
Space diagonal 223208071.21279

Equilateral Triangle

Length = n
Perimeter 386607720
Area 7.1911636247644E+15
Altitude 111604035.60639

Triangular Pyramid

Length = n
Surface area 7.1911636247644E+15
Volume 2.5222118028714E+23
Height 60749542.326904