20128621 (number)

20128621 is an odd 8-digits composite number following 20128620 and preceding 20128622. In scientific notation, it is written as 2.0128621 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 20119644 positive integers (up to 20128621) that are relatively prime to 20128621.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0128621 × 10^7
Engineering notation 2.0128621 × 10^6

Prime Factorization of 20128621

Prime Factorization 4639 × 4339

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20128621
Product of the distinct prime numbers

The prime factorization of 20128621 is 4639 × 4339. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20128621)

Multiplication

n×y
n×2 40257242
n×3 60385863
n×4 80514484
n×5 100643105

Division

n÷y
n÷2 10064310.5
n÷3 6709540.3333333
n÷3 5032155.25
n÷5 4025724.2

Exponentiation

ny
n2 405161383361641
n3 8.1553399295222E+21
n4 1.6415574656752E+29
n5 3.3042288076296E+36

Nth Root

y√n
2√n 4486.4931739612
3√n 272.02240389999
4√n 66.9812897305
5√n 28.891015317366

Divisors of 20128621

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128620
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128621 can be divided by 4 positive divisors. The sum of these divisors (counting 20128621) is 1, the average is 0.25.

Base conversion 20128621

Base System Value
2 Binary 1001100110010001101101101
3 Ternary 1101212122021111
4 Quaternary 1030302031231
5 Quinary 20123103441
6 Senary 1555232021
8 Octal 114621555
10 Decimal 20128621
12 Duodecimal 68a8611
16 Hexadecimal 133236d
20 Vigesimal 65g1b1
36 Base36 bzfcd

Cryptographic Hash Functions

md5 714dc9cc6641f920166ec26ae64e96df
sha1 8aa76e014585e2173c81bc0e175bd4b153c0e1c3
sha256 f8dd6c5a111cf98f614860b922f0bfd6a0412a82dd20d0a53db94e233219a001
sha512 0398b8bd1d977fe9d60e1c2db507f2cc4bf83e7b683a714944ccc70d45624c772c541b78dd997e9f666ee1d558946963d28e7a10ef25c747596288bc081dadeb
ripemd-160 9ee1322af56c9516f26219f8e77a1db4e3c1a249

20128621 as geometric shapes

Circle

Radius = n
Diameter 40257242
Circumference 126471855.72099
Area 1.2728520254872E+15

Sphere

Radius = n
Volume 3.4161008013486E+22
Surface area 5.0914081019488E+15
Circumference 126471855.72099

Square

Length = n
Perimeter 80514484
Area 405161383361641
Diagonal 28466168.810068

Cube

Length = n
Surface area 2430968300169846
Volume 8.1553399295222E+21
Space diagonal 34863794.258298

Equilateral Triangle

Length = n
Perimeter 60385863
Area 1.7544002531181E+14
Altitude 17431897.129149

Triangular Pyramid

Length = n
Surface area 1.7544002531181E+14
Volume 9.6111602784109E+20
Height 9488722.9366893