20121994 (number)

20121994 is an even 8-digits composite number following 20121993 and preceding 20121995. In scientific notation, it is written as 2.0121994 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 10060996 positive integers (up to 20121994) that are relatively prime to 20121994.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121994 × 10^7
Engineering notation 2.0121994 × 10^6

Prime Factorization of 20121994

Prime Factorization 2 × 10060997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20121994
Product of the distinct prime numbers

The prime factorization of 20121994 is 2 × 10060997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121994)

Multiplication

n×y
n×2 40243988
n×3 60365982
n×4 80487976
n×5 100609970

Division

n÷y
n÷2 10060997
n÷3 6707331.3333333
n÷3 5030498.5
n÷5 4024398.8

Exponentiation

ny
n2 404894642536036
n3 8.1472875677423E+21
n4 1.6393967155438E+29
n5 3.2987930873793E+36

Nth Root

y√n
2√n 4485.7545630585
3√n 271.99254773412
4√n 66.97577594219
5√n 28.88911269346

Divisors of 20121994

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 -20121993
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 20121994 can be divided by 4 positive divisors. The sum of these divisors (counting 20121994) is 1, the average is 0.25.

Base conversion 20121994

Base System Value
2 Binary 1001100110000100110001010
3 Ternary 1101212022012001
4 Quaternary 1030300212022
5 Quinary 20122400434
6 Senary 1555141214
8 Octal 114604612
10 Decimal 20121994
12 Duodecimal 68a480a
16 Hexadecimal 133098a
20 Vigesimal 65f4je
36 Base36 bza8a

Cryptographic Hash Functions

md5 2a2ca3281a0326a8a003a14e47ed53db
sha1 6449a8405a1c33b8a31352572f42d3f22c13752b
sha256 31a91c4a33f2efefea783c1dc12c104580ce9a79d591e1dc8754855bf4a9a91e
sha512 b50af22993bcce1040d8a063f4c63e60e11553a23090147fe272c2b756fa9f7a13658e5c9ad1a1beaf844ea24bf748280b5d4a82f3af4ebc27ad7f1a30b11657
ripemd-160 d15d08a301b731d0fc7f689d4fa65b7ce0a89b2c

20121994 as geometric shapes

Circle

Radius = n
Diameter 40243988
Circumference 126430217.05196
Area 1.2720140344691E+15

Sphere

Radius = n
Volume 3.4127278359337E+22
Surface area 5.0880561378763E+15
Circumference 126430217.05196

Square

Length = n
Perimeter 80487976
Area 404894642536036
Diagonal 28456796.81679

Cube

Length = n
Surface area 2429367855216216
Volume 8.1472875677423E+21
Space diagonal 34852315.957596

Equilateral Triangle

Length = n
Perimeter 60365982
Area 1.7532452314621E+14
Altitude 17426157.978798

Triangular Pyramid

Length = n
Surface area 1.7532452314621E+14
Volume 9.6016704790457E+20
Height 9485598.93893