20101921 (number)

20101921 is an odd 8-digits composite number following 20101920 and preceding 20101922. In scientific notation, it is written as 2.0101921 × 10^7. The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors. There are 17173968 positive integers (up to 20101921) that are relatively prime to 20101921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0101921 × 10^7
Engineering notation 2.0101921 × 10^6

Prime Factorization of 20101921

Prime Factorization 7 × 317 × 9059

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20101921
Product of the distinct prime numbers

The prime factorization of 20101921 is 7 × 317 × 9059. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20101921)

Multiplication

n×y
n×2 40203842
n×3 60305763
n×4 80407684
n×5 100509605

Division

n÷y
n÷2 10050960.5
n÷3 6700640.3333333
n÷3 5025480.25
n÷5 4020384.2

Exponentiation

ny
n2 404087227890241
n3 8.1229295321586E+21
n4 1.6328648774402E+29
n5 3.2823720769977E+36

Nth Root

y√n
2√n 4483.516588572
3√n 271.90207421397
4√n 66.959066515088
5√n 28.883346637776

Divisors of 20101921

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 -20101920
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 20101921 can be divided by 8 positive divisors. The sum of these divisors (counting 20101921) is 1, the average is 0.125.

Base conversion 20101921

Base System Value
2 Binary 1001100101011101100100001
3 Ternary 1101211021122121
4 Quaternary 1030223230201
5 Quinary 20121230141
6 Senary 1554504241
8 Octal 114535441
10 Decimal 20101921
12 Duodecimal 6895081
16 Hexadecimal 132bb21
20 Vigesimal 65ceg1
36 Base36 byuqp

Cryptographic Hash Functions

md5 8070ccf2ee15bdec39fa9ba51b285599
sha1 10939895787fe457d43140ce546bd8e6a4351d1e
sha256 2d754ad447efe86444bb5b7f1e52263bcd2e02235fcb9d7a12c285afbbf90a48
sha512 ca4c6e072b2fc1527df62926360969c58c5aefdc5f4e1865750de72fbf1711dd123f42b616980be34a78ce4fcb2cf64f61d2f1700881279227b976355d50da52
ripemd-160 ed863460878f28487a70a07467ea9c0f95a825d0

20101921 as geometric shapes

Circle

Radius = n
Diameter 40203842
Circumference 126304094.67328
Area 1.2694774665494E+15

Sphere

Radius = n
Volume 3.4025247658476E+22
Surface area 5.0779098661978E+15
Circumference 126304094.67328

Square

Length = n
Perimeter 80407684
Area 404087227890241
Diagonal 28428409.307953

Cube

Length = n
Surface area 2424523367341446
Volume 8.1229295321586E+21
Space diagonal 34817548.501736

Equilateral Triangle

Length = n
Perimeter 60305763
Area 1.7497490234889E+14
Altitude 17408774.250868

Triangular Pyramid

Length = n
Surface area 1.7497490234889E+14
Volume 9.5729642588164E+20
Height 9476136.4359842