20121395 (number)

20121395 is an odd 8-digits composite number following 20121394 and preceding 20121396. In scientific notation, it is written as 2.0121395 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 13759200 positive integers (up to 20121395) that are relatively prime to 20121395.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand three hundred ninety-five

Notation

Scientific notation 2.0121395 × 10^7
Engineering notation 2.0121395 × 10^6

Prime Factorization of 20121395

Prime Factorization 5 × 7 × 547 × 1051

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121395
Product of the distinct prime numbers

The prime factorization of 20121395 is 5 × 7 × 547 × 1051. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121395)

Multiplication

n×y
n×2 40242790
n×3 60364185
n×4 80485580
n×5 100606975

Division

n÷y
n÷2 10060697.5
n÷3 6707131.6666667
n÷3 5030348.75
n÷5 4024279

Exponentiation

ny
n2 404870536746025
n3 8.1465599937288E+21
n4 1.6392015152501E+29
n5 3.2983021172947E+36

Nth Root

y√n
2√n 4485.6877956452
3√n 271.98984877773
4√n 66.975277495843
5√n 28.888940694755

Divisors of 20121395

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 -20121394
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 20121395 can be divided by 16 positive divisors. The sum of these divisors (counting 20121395) is 1, the average is 0.0625.

Base conversion 20121395

Base System Value
2 Binary 1001100110000011100110011
3 Ternary 1101212021100212
4 Quaternary 1030300130303
5 Quinary 20122341040
6 Senary 1555134335
8 Octal 114603463
10 Decimal 20121395
12 Duodecimal 68a43ab
16 Hexadecimal 1330733
20 Vigesimal 65f39f
36 Base36 bz9rn

Cryptographic Hash Functions

md5 043068a0531240387c483406f72eec60
sha1 118f148abe51df7f93732db3758f4e0d5dd3ab86
sha256 bceafe0c8de10cc3339f7bff90b4f57719ca1ec1d6c9edda531e86bc25c57add
sha512 18546f4fb7ffb8596a885337948aa8de3bfa3ec7f65ad56ac3a6841b779ccd6b04561a6d5c0256f34b645993db92b43dd505d6a88af433ae0565fdfad621ef91
ripemd-160 8e69d1d118350e492f17efa4d029bd03cd75a248

20121395 as geometric shapes

Circle

Radius = n
Diameter 40242790
Circumference 126426453.42396
Area 1.2719383038963E+15

Sphere

Radius = n
Volume 3.4124230704436E+22
Surface area 5.0877532155851E+15
Circumference 126426453.42396

Square

Length = n
Perimeter 80485580
Area 404870536746025
Diagonal 28455949.702866

Cube

Length = n
Surface area 2429223220476150
Volume 8.1465599937288E+21
Space diagonal 34851278.459162

Equilateral Triangle

Length = n
Perimeter 60364185
Area 1.7531408503295E+14
Altitude 17425639.229581

Triangular Pyramid

Length = n
Surface area 1.7531408503295E+14
Volume 9.6008130248478E+20
Height 9485316.5676221