20121944 (number)

20121944 is an even 8-digits composite number following 20121943 and preceding 20121945. In scientific notation, it is written as 2.0121944 × 10^7. The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors. There are 10030752 positive integers (up to 20121944) that are relatively prime to 20121944.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121944 × 10^7
Engineering notation 2.0121944 × 10^6

Prime Factorization of 20121944

Prime Factorization 2 × 2 × 2 × 349 × 7207

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5030486
Product of the distinct prime numbers

The prime factorization of 20121944 is 2 × 2 × 2 × 349 × 7207. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121944)

Multiplication

n×y
n×2 40243888
n×3 60365832
n×4 80487776
n×5 100609720

Division

n÷y
n÷2 10060972
n÷3 6707314.6666667
n÷3 5030486
n÷5 4024388.8

Exponentiation

ny
n2 404892630339136
n3 8.1472268336968E+21
n4 1.6393804210294E+29
n5 3.2987521026651E+36

Nth Root

y√n
2√n 4485.7489898567
3√n 271.99232244765
4√n 66.975734336076
5√n 28.889098336462

Divisors of 20121944

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 -20121943
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 20121944 can be divided by 16 positive divisors. The sum of these divisors (counting 20121944) is 1, the average is 0.0625.

Base conversion 20121944

Base System Value
2 Binary 1001100110000100101011000
3 Ternary 1101212022010012
4 Quaternary 1030300211120
5 Quinary 20122400234
6 Senary 1555141052
8 Octal 114604530
10 Decimal 20121944
12 Duodecimal 68a4788
16 Hexadecimal 1330958
20 Vigesimal 65f4h4
36 Base36 bza6w

Cryptographic Hash Functions

md5 359cb1b8f210016ad048bb6333e7684a
sha1 d185e32312ac7772caa0ea7b0506ee98bd5e85f1
sha256 77f178bb793202dbf2513b7108103515e3cf5c62d1d4396d1bb25cdb4ec75a7d
sha512 2f15f26d2f484c097a12e5d983786f2f9aeefed83fee88bdad649662b9139642f6a508418919499baa05a8c7b230a10f0517f6cb84e1e23822fae24443b1b9ca
ripemd-160 58447ac5999473034959397d547eaf516cf4598f

20121944 as geometric shapes

Circle

Radius = n
Diameter 40243888
Circumference 126429902.89269
Area 1.2720077129661E+15

Sphere

Radius = n
Volume 3.4127023957162E+22
Surface area 5.0880308518643E+15
Circumference 126429902.89269

Square

Length = n
Perimeter 80487776
Area 404892630339136
Diagonal 28456726.106112

Cube

Length = n
Surface area 2429355782034816
Volume 8.1472268336968E+21
Space diagonal 34852229.355056

Equilateral Triangle

Length = n
Perimeter 60365832
Area 1.753236518394E+14
Altitude 17426114.677528

Triangular Pyramid

Length = n
Surface area 1.753236518394E+14
Volume 9.6015989032867E+20
Height 9485575.368704