20121045 (number)

20121045 is an odd 8-digits composite number following 20121044 and preceding 20121046. In scientific notation, it is written as 2.0121045 × 10^7. The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors. There are 9065280 positive integers (up to 20121045) that are relatively prime to 20121045.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121045 × 10^7
Engineering notation 2.0121045 × 10^6

Prime Factorization of 20121045

Prime Factorization 3 × 35 × 71 × 2699

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121045
Product of the distinct prime numbers

The prime factorization of 20121045 is 3 × 35 × 71 × 2699. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121045)

Multiplication

n×y
n×2 40242090
n×3 60363135
n×4 80484180
n×5 100605225

Division

n÷y
n÷2 10060522.5
n÷3 6707015
n÷3 5030261.25
n÷5 4024209

Exponentiation

ny
n2 404856451892025
n3 8.1461348870598E+21
n4 1.639087466386E+29
n5 3.2980152670089E+36

Nth Root

y√n
2√n 4485.6487825063
3√n 271.98827173334
4√n 66.974986244913
5√n 28.888840192781

Divisors of 20121045

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 -20121044
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 20121045 can be divided by 16 positive divisors. The sum of these divisors (counting 20121045) is 1, the average is 0.0625.

Base conversion 20121045

Base System Value
2 Binary 1001100110000010111010101
3 Ternary 1101212020212220
4 Quaternary 1030300113111
5 Quinary 20122333140
6 Senary 1555132553
8 Octal 114602725
10 Decimal 20121045
12 Duodecimal 68a4159
16 Hexadecimal 13305d5
20 Vigesimal 65f2c5
36 Base36 bz9hx

Cryptographic Hash Functions

md5 c29118d5c90fec1eec4e006ee8202cfb
sha1 3b588bd7288544612869c50ccb31086607ffd39d
sha256 f538ae95711215b55642e1c0cd86a0da169cc90ad4b98211e2fa54539a0e23a1
sha512 dcb7a3568cbd4abb0726fb9b56760a6bdd44e5e428fb89ec33383e3a847bb961223b41ad26e1db23d9666998af371ac4a44ffd19357fe471f2df06a4745454a4
ripemd-160 e96975fdb430862e9b010f02c03efd8a5941d397

20121045 as geometric shapes

Circle

Radius = n
Diameter 40242090
Circumference 126424254.3091
Area 1.2718940550224E+15

Sphere

Radius = n
Volume 3.4122450021785E+22
Surface area 5.0875762200897E+15
Circumference 126424254.3091

Square

Length = n
Perimeter 80484180
Area 404856451892025
Diagonal 28455454.728119

Cube

Length = n
Surface area 2429138711352150
Volume 8.1461348870598E+21
Space diagonal 34850672.24138

Equilateral Triangle

Length = n
Perimeter 60363135
Area 1.7530798611226E+14
Altitude 17425336.12069

Triangular Pyramid

Length = n
Surface area 1.7530798611226E+14
Volume 9.6003120318338E+20
Height 9485151.5760398