20128901 (number)

20128901 is an odd 8-digits composite number following 20128900 and preceding 20128902. In scientific notation, it is written as 2.0128901 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 17487360 positive integers (up to 20128901) that are relatively prime to 20128901.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0128901 × 10^7
Engineering notation 2.0128901 × 10^6

Prime Factorization of 20128901

Prime Factorization 17 × 13 × 91081

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20128901
Product of the distinct prime numbers

The prime factorization of 20128901 is 17 × 13 × 91081. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20128901)

Multiplication

n×y
n×2 40257802
n×3 60386703
n×4 80515604
n×5 100644505

Division

n÷y
n÷2 10064450.5
n÷3 6709633.6666667
n÷3 5032225.25
n÷5 4025780.2

Exponentiation

ny
n2 405172655467801
n3 8.1556802698185E+21
n4 1.6416488073883E+29
n5 3.3044586320687E+36

Nth Root

y√n
2√n 4486.5243786254
3√n 272.02366522037
4√n 66.981522665773
5√n 28.891095694847

Divisors of 20128901

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128900
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128901 can be divided by 8 positive divisors. The sum of these divisors (counting 20128901) is 1, the average is 0.125.

Base conversion 20128901

Base System Value
2 Binary 1001100110010010010000101
3 Ternary 1101212122122212
4 Quaternary 1030302102011
5 Quinary 20123111101
6 Senary 1555233205
8 Octal 114622205
10 Decimal 20128901
12 Duodecimal 68a8805
16 Hexadecimal 1332485
20 Vigesimal 65g251
36 Base36 bzfk5

Cryptographic Hash Functions

md5 e5b5238b9fec9b9da833cc34b8cb7444
sha1 e0d1fa122ed9b46bc8a96a803eed072fa3407262
sha256 39b0bbc60c9349164e45d8146df176efa6c2029d1881196d3914abb9fc5fc9bd
sha512 be96009fe3666651682abd8391b5b6b4cd286df20c7d8f021498d83c9be54a58fd77df68bcb2c05688988a02959211b16fefbad95280a3bef828f1b21468aed9
ripemd-160 cab7953001a9c64a1084d2d4e04efa075c12ce1b

20128901 as geometric shapes

Circle

Radius = n
Diameter 40257802
Circumference 126473615.01287
Area 1.2728874378531E+15

Sphere

Radius = n
Volume 3.4162433627585E+22
Surface area 5.0915497514124E+15
Circumference 126473615.01287

Square

Length = n
Perimeter 80515604
Area 405172655467801
Diagonal 28466564.789865

Cube

Length = n
Surface area 2431035932806806
Volume 8.1556802698185E+21
Space diagonal 34864279.232524

Equilateral Triangle

Length = n
Perimeter 60386703
Area 1.7544490627696E+14
Altitude 17432139.616262

Triangular Pyramid

Length = n
Surface area 1.7544490627696E+14
Volume 9.6115613732966E+20
Height 9488854.9299551