20101221 (number)

20101221 is an odd 8-digits composite number following 20101220 and preceding 20101222. In scientific notation, it is written as 2.0101221 × 10^7. The sum of its digits is 9. It has a total of 4 prime factors and 16 positive divisors. There are 10877328 positive integers (up to 20101221) that are relatively prime to 20101221.

Interesting facts

Basic properties

Name

Name twenty million one hundred one thousand two hundred twenty-one

Notation

Scientific notation 2.0101221 × 10^7
Engineering notation 2.0101221 × 10^6

Prime Factorization of 20101221

Prime Factorization 9 × 133 × 7 × 2399

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20101221
Product of the distinct prime numbers

The prime factorization of 20101221 is 9 × 133 × 7 × 2399. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 3, 29, 19, 159, 162, 8610, 3587, 16626, 12684, 193083, 744752, 6343602, 7726610, 86858794, 39469995, 526507840, 213667623, 3650242303, 6820760265

Basic calculations (n = 20101221)

Multiplication

n×y
n×2 40202442
n×3 60303663
n×4 80404884
n×5 100506105

Division

n÷y
n÷2 10050610.5
n÷3 6700407
n÷3 5025305.25
n÷5 4020244.2

Exponentiation

ny
n2 404059085690841
n3 8.1220809785295E+21
n4 1.6326374472932E+29
n5 3.2818006140916E+36

Nth Root

y√n
2√n 4483.4385241687
3√n 271.89891807015
4√n 66.958483586239
5√n 28.88314547666

Divisors of 20101221

1, 7, 9, 63, 133, 931, 1197, 2399, 8379, 16793, 21591, 151137, 319067, 2233469, 2871603, 20101221

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20101220
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20101221 can be divided by 16 positive divisors. The sum of these divisors (counting 20101221) is 1, the average is 0.0625.

Base conversion 20101221

Base System Value
2 Binary 1001100101011100001100101
3 Ternary 1101211020200200
4 Quaternary 1030223201211
5 Quinary 20121214341
6 Senary 1554501113
8 Octal 114534145
10 Decimal 20101221
12 Duodecimal 6894799
16 Hexadecimal 132b865
20 Vigesimal 65cd11
36 Base36 byu79

Cryptographic Hash Functions

md5 cf457b4a102532caa4336d8f515afea8
sha1 0dcc872e163f1d1740d1f14030b369c716f2a52c
sha256 98db992b57956afe7e27f8a305dcc8c330f17d770d330cc7de24f67ed024cb52
sha512 4d9299090f030923467d93651c39fa20345b83219e96bce9411e38c60d356c2b9703dd43bad1b83c7c930d96c8e84fffa8acdd5d1f4ddf4c2f05171668d85d37
ripemd-160 74d4169ec07e43b53cc6eaa81b54acc49c397f2a

20101221 as geometric shapes

Circle

Radius = n
Diameter 40202442
Circumference 126299696.44357
Area 1.2693890552226E+15

Sphere

Radius = n
Volume 3.4021693245346E+22
Surface area 5.0775562208902E+15
Circumference 126299696.44357

Square

Length = n
Perimeter 80404884
Area 404059085690841
Diagonal 28427419.358459

Cube

Length = n
Surface area 2424354514145046
Volume 8.1220809785295E+21
Space diagonal 34816336.06617

Equilateral Triangle

Length = n
Perimeter 60303663
Area 1.7496271641909E+14
Altitude 17408168.033085

Triangular Pyramid

Length = n
Surface area 1.7496271641909E+14
Volume 9.5719642287742E+20
Height 9475806.4528196