20123945 (number)

20123945 is an odd 8-digits composite number following 20123944 and preceding 20123946. In scientific notation, it is written as 2.0123945 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 15250464 positive integers (up to 20123945) that are relatively prime to 20123945.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-three thousand nine hundred forty-five

Notation

Scientific notation 2.0123945 × 10^7
Engineering notation 2.0123945 × 10^6

Prime Factorization of 20123945

Prime Factorization 95 × 19 × 11149

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20123945
Product of the distinct prime numbers

The prime factorization of 20123945 is 95 × 19 × 11149. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20123945)

Multiplication

n×y
n×2 40247890
n×3 60371835
n×4 80495780
n×5 100619725

Division

n÷y
n÷2 10061972.5
n÷3 6707981.6666667
n÷3 5030986.25
n÷5 4024789

Exponentiation

ny
n2 404973162363025
n3 8.1496576458696E+21
n4 1.6400326223431E+29
n5 3.3003926290238E+36

Nth Root

y√n
2√n 4485.9720239877
3√n 272.00133812058
4√n 66.977399352227
5√n 28.889672881213

Divisors of 20123945

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 -20123944
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 20123945 can be divided by 8 positive divisors. The sum of these divisors (counting 20123945) is 1, the average is 0.125.

Base conversion 20123945

Base System Value
2 Binary 1001100110001000100101001
3 Ternary 1101212101212022
4 Quaternary 1030301010221
5 Quinary 20122431240
6 Senary 1555154225
8 Octal 114610451
10 Decimal 20123945
12 Duodecimal 68a5975
16 Hexadecimal 1331129
20 Vigesimal 65f9h5
36 Base36 bzbqh

Cryptographic Hash Functions

md5 48eb9b3a3692e0b2bf85cc12696d54e5
sha1 f348fc08b89013ab3df9170dc309bea42a527a85
sha256 6f17b263f3cc86c4e8bb8d905ef6d4c4a3e0d1e348cb5cc3405b11de5b73843c
sha512 5370f593530c972d6a958e071c0556daf17a4db1bf51db2eaf9423857b305119caf3dd48c9d689f5504ae811c5956639c9f209cd995906a524ec07225e7eaa09
ripemd-160 070c66390151a3320085d7241fb1492535ae37f0

20123945 as geometric shapes

Circle

Radius = n
Diameter 40247890
Circumference 126442475.54649
Area 1.2722607117807E+15

Sphere

Radius = n
Volume 3.4137206119381E+22
Surface area 5.0890428471228E+15
Circumference 126442475.54649

Square

Length = n
Perimeter 80495780
Area 404973162363025
Diagonal 28459555.94745

Cube

Length = n
Surface area 2429838974178150
Volume 8.1496576458696E+21
Space diagonal 34855695.188722

Equilateral Triangle

Length = n
Perimeter 60371835
Area 1.7535852322865E+14
Altitude 17427847.594361

Triangular Pyramid

Length = n
Surface area 1.7535852322865E+14
Volume 9.6044636429053E+20
Height 9486518.6491501