128778880 (number)

128778880 is an even 9-digits composite number following 128778879 and preceding 128778881. In scientific notation, it is written as 1.28778880 × 10^8. The sum of its digits is 49. It has a total of 10 prime factors and 64 positive divisors. There are 51266560 positive integers (up to 128778880) that are relatively prime to 128778880.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million seven hundred seventy-eight thousand eight hundred eighty

Notation

Scientific notation 1.28778880 × 10^8
Engineering notation 1.28778880 × 10^6

Prime Factorization of 128778880

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 311 × 647

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 2012170
Product of the distinct prime numbers

The prime factorization of 128778880 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 311 × 647. Since it has a total of 10 prime factors.

Most popular turbo-numbers

3, 2, 38, 52, 288, 344, 5785, 9905, 62456, 5567, 8621, 852391, 3518517, 4982244, 32256517, 89350878, 7257335, 802468825, 1015492959, 3608555089

Basic calculations (n = 128778880)

Multiplication

n×y
n×2 257557760
n×3 386336640
n×4 515115520
n×5 643894400

Division

n÷y
n÷2 64389440
n÷3 42926293.333333
n÷3 32194720
n÷5 25755776

Exponentiation

ny
n2 16583999934054400
n3 2.1356689374276E+24
n4 2.7502905381272E+32
n5 3.5417933517461E+40

Nth Root

y√n
2√n 11348.078251405
3√n 504.98856948934
4√n 106.52735916845
5√n 41.876360392674

Divisors of 128778880

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 311, 320, 622, 640, 647, 1244, 1294, 1555, 2488, 2588, 3110, 3235, 4976, 5176, 6220, 6470, 9952, 10352, 12440, 12940, 19904, 20704, 24880, 25880, 39808, 41408, 49760, 51760, 82816, 99520, 103520, 199040, 201217, 207040, 402434, 414080, 804868, 1006085, 1609736, 2012170, 3219472, 4024340, 6438944, 8048680, 12877888, 16097360, 25755776, 32194720, 64389440, 128778880

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 -128778879
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 128778880 can be divided by 64 positive divisors. The sum of these divisors (counting 128778880) is 1, the average is 0.015625.

Base conversion 128778880

Base System Value
2 Binary 111101011010000001010000000
3 Ternary 22222022122102011
4 Quaternary 13223100022000
5 Quinary 230431411010
6 Senary 20440102304
8 Octal 753201200
10 Decimal 128778880
12 Duodecimal 37164994
16 Hexadecimal 7ad0280
20 Vigesimal 204h740
36 Base36 24o6f4

Cryptographic Hash Functions

md5 425af60fa69c770be77d9a296bca51d2
sha1 592dc81f979c12dbc96d508549b9a84387393927
sha256 f067cc49dfc2b732fe6c9fce5a631f050e50df409f192df8602426405366a4e2
sha512 ca92b7388fae8d053ce89a275b748767214c714d41e461d531502a3120405f49f86f02a4f7d40bcefef435c6404439a8ce8ec13127376c2b7120aa453735ac5d
ripemd-160 f189bfdd5e56ce7d820224bc5708603cd5daac15

128778880 as geometric shapes

Circle

Radius = n
Diameter 257557760
Circumference 809141566.69104
Area 5.2100172359959E+16

Sphere

Radius = n
Volume 8.9458691257633E+24
Surface area 2.0840068943984E+17
Circumference 809141566.69104

Square

Length = n
Perimeter 515115520
Area 16583999934054400
Diagonal 182120838.64322

Cube

Length = n
Surface area 99503999604326400
Volume 2.1356689374276E+24
Space diagonal 223051563.10182

Equilateral Triangle

Length = n
Perimeter 386336640
Area 7.1810826196253E+15
Altitude 111525781.55091

Triangular Pyramid

Length = n
Surface area 7.1810826196253E+15
Volume 2.5169099800409E+23
Height 60706946.214406