20121995 (number)

20121995 is an odd 8-digits composite number following 20121994 and preceding 20121996. In scientific notation, it is written as 2.0121995 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 16097592 positive integers (up to 20121995) that are relatively prime to 20121995.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121995 × 10^7
Engineering notation 2.0121995 × 10^6

Prime Factorization of 20121995

Prime Factorization 5 × 4024399

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20121995
Product of the distinct prime numbers

The prime factorization of 20121995 is 5 × 4024399. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121995)

Multiplication

n×y
n×2 40243990
n×3 60365985
n×4 80487980
n×5 100609975

Division

n÷y
n÷2 10060997.5
n÷3 6707331.6666667
n÷3 5030498.75
n÷5 4024399

Exponentiation

ny
n2 404894682780025
n3 8.1472887824262E+21
n4 1.6393970414354E+29
n5 3.2987939070777E+36

Nth Root

y√n
2√n 4485.7546745224
3√n 271.99255223984
4√n 66.975776774312
5√n 28.889112980599

Divisors of 20121995

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 -20121994
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 20121995 can be divided by 4 positive divisors. The sum of these divisors (counting 20121995) is 1, the average is 0.25.

Base conversion 20121995

Base System Value
2 Binary 1001100110000100110001011
3 Ternary 1101212022012002
4 Quaternary 1030300212023
5 Quinary 20122400440
6 Senary 1555141215
8 Octal 114604613
10 Decimal 20121995
12 Duodecimal 68a480b
16 Hexadecimal 133098b
20 Vigesimal 65f4jf
36 Base36 bza8b

Cryptographic Hash Functions

md5 b8e4d59ba7263d489b224a4d9759e39f
sha1 ba9574396ae46cbd350b6b564b10b5707c2f0772
sha256 45018cfa8b6a61666445a177467c4606dea1d49038f9cf9f2a273f3cf9343dc0
sha512 11bea137e9d1fade13258627a5160229919ada934d19947c8d95263dd010e7ac19ea6f255b7a3b18544c5396e79ee09d4e859c6f5eb220be29890936d1b50306
ripemd-160 6cf9740cc1a53f267883593fdafc61bf0d280597

20121995 as geometric shapes

Circle

Radius = n
Diameter 40243990
Circumference 126430223.33514
Area 1.2720141608993E+15

Sphere

Radius = n
Volume 3.4127283447393E+22
Surface area 5.0880566435972E+15
Circumference 126430223.33514

Square

Length = n
Perimeter 80487980
Area 404894682780025
Diagonal 28456798.231004

Cube

Length = n
Surface area 2429368096680150
Volume 8.1472887824262E+21
Space diagonal 34852317.689647

Equilateral Triangle

Length = n
Perimeter 60365985
Area 1.7532454057237E+14
Altitude 17426158.844823

Triangular Pyramid

Length = n
Surface area 1.7532454057237E+14
Volume 9.6016719105645E+20
Height 9485599.4103345