20128880 (number)

20128880 is an even 8-digits composite number following 20128879 and preceding 20128881. In scientific notation, it is written as 2.0128880 × 10^7. The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors. There are 8051520 positive integers (up to 20128880) that are relatively prime to 20128880.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0128880 × 10^7
Engineering notation 2.0128880 × 10^6

Prime Factorization of 20128880

Prime Factorization 2 × 2 × 2 × 2 × 5 × 251611

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2516110
Product of the distinct prime numbers

The prime factorization of 20128880 is 2 × 2 × 2 × 2 × 5 × 251611. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 8, 32, 59, 464, 651, 1921, 213, 96715, 75657, 885063, 8851, 2743910, 8011625, 12208149, 73309888, 343212637, 738602164, 5939275970, 8227635226

Basic calculations (n = 20128880)

Multiplication

n×y
n×2 40257760
n×3 60386640
n×4 80515520
n×5 100644400

Division

n÷y
n÷2 10064440
n÷3 6709626.6666667
n÷3 5032220
n÷5 4025776

Exponentiation

ny
n2 405171810054400
n3 8.1556547439678E+21
n4 1.6416419566276E+29
n5 3.3044413947922E+36

Nth Root

y√n
2√n 4486.5220382831
3√n 272.02357062175
4√n 66.981505195711
5√n 28.891089666567

Divisors of 20128880

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251611, 503222, 1006444, 1258055, 2012888, 2516110, 4025776, 5032220, 10064440, 20128880

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128879
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128880 can be divided by 20 positive divisors. The sum of these divisors (counting 20128880) is 1, the average is 0.05.

Base conversion 20128880

Base System Value
2 Binary 1001100110010010001110000
3 Ternary 1101212122122002
4 Quaternary 1030302101300
5 Quinary 20123111010
6 Senary 1555233132
8 Octal 114622160
10 Decimal 20128880
12 Duodecimal 68a87a8
16 Hexadecimal 1332470
20 Vigesimal 65g240
36 Base36 bzfjk

Cryptographic Hash Functions

md5 1c22905d31f04fe25ac974d79df3ff3d
sha1 fa0ef2026929fb94f90a9f97a156ee6e3f9f6d1d
sha256 be8e72cb38795e9a78d4ef6b84cc010d21d3adca84501852b9db8c6abb65a65d
sha512 aff8f044cbe63e381716dc5c64b3d534e31a44672ef9a32d901c1b624923749683546d9e4b6f19538c64c3f5443be755d7f9dcf9e12bdc5ee962cead545cd391
ripemd-160 5b8bdab799501324e6c4f33aa6e3f170973848d4

20128880 as geometric shapes

Circle

Radius = n
Diameter 40257760
Circumference 126473483.06598
Area 1.2728847819086E+15

Sphere

Radius = n
Volume 3.4162326705152E+22
Surface area 5.0915391276343E+15
Circumference 126473483.06598

Square

Length = n
Perimeter 80515520
Area 405171810054400
Diagonal 28466535.091381

Cube

Length = n
Surface area 2431030860326400
Volume 8.1556547439678E+21
Space diagonal 34864242.859457

Equilateral Triangle

Length = n
Perimeter 60386640
Area 1.7544454020222E+14
Altitude 17432121.429729

Triangular Pyramid

Length = n
Surface area 1.7544454020222E+14
Volume 9.6115312907931E+20
Height 9488845.0304602