20121407 (number)

20121407 is an odd 8-digits composite number following 20121406 and preceding 20121408. In scientific notation, it is written as 2.0121407 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 19986216 positive integers (up to 20121407) that are relatively prime to 20121407.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand four hundred seven

Notation

Scientific notation 2.0121407 × 10^7
Engineering notation 2.0121407 × 10^6

Prime Factorization of 20121407

Prime Factorization 149 × 135043

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20121407
Product of the distinct prime numbers

The prime factorization of 20121407 is 149 × 135043. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121407)

Multiplication

n×y
n×2 40242814
n×3 60364221
n×4 80485628
n×5 100607035

Division

n÷y
n÷2 10060703.5
n÷3 6707135.6666667
n÷3 5030351.75
n÷5 4024281.4

Exponentiation

ny
n2 404871019659649
n3 8.1465745690768E+21
n4 1.6392054256024E+29
n5 3.2983119525155E+36

Nth Root

y√n
2√n 4485.6891332325
3√n 271.9899028475
4√n 66.975287481522
5√n 28.888944140512

Divisors of 20121407

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 -20121406
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 20121407 can be divided by 4 positive divisors. The sum of these divisors (counting 20121407) is 1, the average is 0.25.

Base conversion 20121407

Base System Value
2 Binary 1001100110000011100111111
3 Ternary 1101212021101022
4 Quaternary 1030300130333
5 Quinary 20122341112
6 Senary 1555134355
8 Octal 114603477
10 Decimal 20121407
12 Duodecimal 68a43bb
16 Hexadecimal 133073f
20 Vigesimal 65f3a7
36 Base36 bz9rz

Cryptographic Hash Functions

md5 97e2cefc5984cbff2ea966968f9b0fa1
sha1 8048af94cde002c6cae98397774734a53b6986a5
sha256 a595dad7cc21c10f202d5b3a14c8439c0392b57f0d2919316a3fd0beb56e7259
sha512 e65c104c424011972fb339116c71aa18304b9a4272090be74c70602656cdbb246044473adf6890d173f2af3a1093e7e97ad86923f58992b0d56addcefc62d6cb
ripemd-160 34dbd3339c3c73db1b4f972973a69c44b8d31352

20121407 as geometric shapes

Circle

Radius = n
Diameter 40242814
Circumference 126426528.82218
Area 1.2719398210142E+15

Sphere

Radius = n
Volume 3.4124291757511E+22
Surface area 5.0877592840566E+15
Circumference 126426528.82218

Square

Length = n
Perimeter 80485628
Area 404871019659649
Diagonal 28455966.673429

Cube

Length = n
Surface area 2429226117957894
Volume 8.1465745690768E+21
Space diagonal 34851299.243772

Equilateral Triangle

Length = n
Perimeter 60364221
Area 1.7531429414068E+14
Altitude 17425649.621886

Triangular Pyramid

Length = n
Surface area 1.7531429414068E+14
Volume 9.6008302020601E+20
Height 9485322.2244763