20101209 (number)

20101209 is an odd 8-digits composite number following 20101208 and preceding 20101210. In scientific notation, it is written as 2.0101209 × 10^7. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 13400804 positive integers (up to 20101209) that are relatively prime to 20101209.

Interesting facts

Basic properties

Name

Name twenty million one hundred one thousand two hundred nine

Notation

Scientific notation 2.0101209 × 10^7
Engineering notation 2.0101209 × 10^6

Prime Factorization of 20101209

Prime Factorization 3 × 6700403

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20101209
Product of the distinct prime numbers

The prime factorization of 20101209 is 3 × 6700403. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20101209)

Multiplication

n×y
n×2 40202418
n×3 60303627
n×4 80404836
n×5 100506045

Division

n÷y
n÷2 10050604.5
n÷3 6700403
n÷3 5025302.25
n÷5 4020241.8

Exponentiation

ny
n2 404058603261681
n3 8.1220664324111E+21
n4 1.6326335486978E+29
n5 3.2817908182786E+36

Nth Root

y√n
2√n 4483.4371859099
3√n 271.89886396419
4√n 66.958473593041
5√n 28.883142028135

Divisors of 20101209

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 -20101208
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 20101209 can be divided by 4 positive divisors. The sum of these divisors (counting 20101209) is 1, the average is 0.25.

Base conversion 20101209

Base System Value
2 Binary 1001100101011100001011001
3 Ternary 1101211020200020
4 Quaternary 1030223201121
5 Quinary 20121214314
6 Senary 1554501053
8 Octal 114534131
10 Decimal 20101209
12 Duodecimal 6894789
16 Hexadecimal 132b859
20 Vigesimal 65cd09
36 Base36 byu6x

Cryptographic Hash Functions

md5 a4b838a02bac52cfe47520d17843bfdc
sha1 8ba2a7c650bee8ae643d2a1e8fbeea7bb58ed1ca
sha256 4e5ed0905d328f1f668635c70a8eeb3802257477d3f3681d4bede55acb74f4e1
sha512 13855a43027fb2fa66ae0b2b5371cc77e5d587f4222cef4841ba6f77f1e5cab339cad99697ded4724e959667432ead3ad734fbfb91ef471de33921e4c0280973
ripemd-160 931c29fd98abf93a0d8c004ab8e73de85114b951

20101209 as geometric shapes

Circle

Radius = n
Diameter 40202418
Circumference 126299621.04535
Area 1.2693875396266E+15

Sphere

Radius = n
Volume 3.4021632314708E+22
Surface area 5.0775501585066E+15
Circumference 126299621.04535

Square

Length = n
Perimeter 80404836
Area 404058603261681
Diagonal 28427402.387896

Cube

Length = n
Surface area 2424351619570086
Volume 8.1220664324111E+21
Space diagonal 34816315.281561

Equilateral Triangle

Length = n
Perimeter 60303627
Area 1.7496250752114E+14
Altitude 17408157.64078

Triangular Pyramid

Length = n
Surface area 1.7496250752114E+14
Volume 9.5719470860092E+20
Height 9475800.7959654