20100981 (number)

20100981 is an odd 8-digits composite number following 20100980 and preceding 20100982. In scientific notation, it is written as 2.0100981 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 13400652 positive integers (up to 20100981) that are relatively prime to 20100981.

Interesting facts

Basic properties

Name

Name twenty million one hundred thousand nine hundred eighty-one

Notation

Scientific notation 2.0100981 × 10^7
Engineering notation 2.0100981 × 10^6

Prime Factorization of 20100981

Prime Factorization 3 × 6700327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20100981
Product of the distinct prime numbers

The prime factorization of 20100981 is 3 × 6700327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20100981)

Multiplication

n×y
n×2 40201962
n×3 60302943
n×4 80403924
n×5 100504905

Division

n÷y
n÷2 10050490.5
n÷3 6700327
n÷3 5025245.25
n÷5 4020196.2

Exponentiation

ny
n2 404049437162361
n3 8.1217900594613E+21
n4 1.6325594767122E+29
n5 3.2816047022762E+36

Nth Root

y√n
2√n 4483.4117589175
3√n 271.89783594683
4√n 66.958283721415
5√n 28.883076505845

Divisors of 20100981

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 -20100980
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 20100981 can be divided by 4 positive divisors. The sum of these divisors (counting 20100981) is 1, the average is 0.25.

Base conversion 20100981

Base System Value
2 Binary 1001100101011011101110101
3 Ternary 1101211020100210
4 Quaternary 1030223131311
5 Quinary 20121212411
6 Senary 1554500033
8 Octal 114533565
10 Decimal 20100981
12 Duodecimal 6894619
16 Hexadecimal 132b775
20 Vigesimal 65cc91
36 Base36 byu0l

Cryptographic Hash Functions

md5 9a8a73a2e0218da82681c82d0342c3bc
sha1 e5e4d37274ca5b97669e4f242d25a967d5735eb6
sha256 44c07db405619f19333afdfffcd3bd18f7521546adf6f5f655288f30fa6b4c25
sha512 524db99395b4d11e7c589caf1e13c717bd91d3ada78457cf8facc46e1904fe02bc8d0734f731ae4dc63a53ab04eb86a7a14761ca43fe853367b847a3f7b92ab6
ripemd-160 9ad1061101209b388fa443f2f2d5f1168c183497

20100981 as geometric shapes

Circle

Radius = n
Diameter 40201962
Circumference 126298188.4791
Area 1.2693587434764E+15

Sphere

Radius = n
Volume 3.4020474646403E+22
Surface area 5.0774349739055E+15
Circumference 126298188.4791

Square

Length = n
Perimeter 80403924
Area 404049437162361
Diagonal 28427079.947204

Cube

Length = n
Surface area 2424296622974166
Volume 8.1217900594613E+21
Space diagonal 34815920.373977

Equilateral Triangle

Length = n
Perimeter 60302943
Area 1.749585384837E+14
Altitude 17407960.186988

Triangular Pyramid

Length = n
Surface area 1.749585384837E+14
Volume 9.5716213773643E+20
Height 9475693.3157346