20128938 (number)

20128938 is an even 8-digits composite number following 20128937 and preceding 20128939. In scientific notation, it is written as 2.0128938 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 6709644 positive integers (up to 20128938) that are relatively prime to 20128938.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0128938 × 10^7
Engineering notation 2.0128938 × 10^6

Prime Factorization of 20128938

Prime Factorization 2 × 3 × 3354823

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20128938
Product of the distinct prime numbers

The prime factorization of 20128938 is 2 × 3 × 3354823. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20128938)

Multiplication

n×y
n×2 40257876
n×3 60386814
n×4 80515752
n×5 100644690

Division

n÷y
n÷2 10064469
n÷3 6709646
n÷3 5032234.5
n÷5 4025787.6

Exponentiation

ny
n2 405174145007844
n3 8.1557252440659E+21
n4 1.6416608778284E+29
n5 3.3044890026833E+36

Nth Root

y√n
2√n 4486.5285020827
3√n 272.02383189398
4√n 66.981553446323
5√n 28.89110631609

Divisors of 20128938

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 -20128937
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 20128938 can be divided by 8 positive divisors. The sum of these divisors (counting 20128938) is 1, the average is 0.125.

Base conversion 20128938

Base System Value
2 Binary 1001100110010010010101010
3 Ternary 1101212122201020
4 Quaternary 1030302102222
5 Quinary 20123111223
6 Senary 1555233310
8 Octal 114622252
10 Decimal 20128938
12 Duodecimal 68a8836
16 Hexadecimal 13324aa
20 Vigesimal 65g26i
36 Base36 bzfl6

Cryptographic Hash Functions

md5 e04dc28a93b172ab394f9d714b86216f
sha1 8acdb220fa3e17e96e76099775f20434bec56426
sha256 73aee64fc912b7a5ae212ace43fe20ecd93f7263003f45b7c9b6fab02659f200
sha512 c347d7fdd7d4461b382f748f2ef62878112293f1ebbdf1d036719debb7a863b8a845f93f94888f975de5c4a6f2ce4215c6c984bbe6cd72724b2a7d5bff7c55e6
ripemd-160 049f4d1af854704a77f33143164dbaf3bf2e03a9

20128938 as geometric shapes

Circle

Radius = n
Diameter 40257876
Circumference 126473847.49073
Area 1.2728921173812E+15

Sphere

Radius = n
Volume 3.4162622015272E+22
Surface area 5.0915684695247E+15
Circumference 126473847.49073

Square

Length = n
Perimeter 80515752
Area 405174145007844
Diagonal 28466617.115767

Cube

Length = n
Surface area 2431044870047064
Volume 8.1557252440659E+21
Space diagonal 34864343.318404

Equilateral Triangle

Length = n
Perimeter 60386814
Area 1.7544555126672E+14
Altitude 17432171.659202

Triangular Pyramid

Length = n
Surface area 1.7544555126672E+14
Volume 9.6116143759555E+20
Height 9488872.3719224