20121942 (number)

20121942 is an even 8-digits composite number following 20121941 and preceding 20121943. In scientific notation, it is written as 2.0121942 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 6693960 positive integers (up to 20121942) that are relatively prime to 20121942.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand nine hundred forty-two

Notation

Scientific notation 2.0121942 × 10^7
Engineering notation 2.0121942 × 10^6

Prime Factorization of 20121942

Prime Factorization 2 × 3 × 547 × 6131

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121942
Product of the distinct prime numbers

The prime factorization of 20121942 is 2 × 3 × 547 × 6131. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 8, 67, 29, 125, 327, 8464, 1656, 56850, 3373, 70948, 806606, 4292602, 8746283, 87224244, 71742910, 898370869, 850894812, 8920820754, 6437203459

Basic calculations (n = 20121942)

Multiplication

n×y
n×2 40243884
n×3 60365826
n×4 80487768
n×5 100609710

Division

n÷y
n÷2 10060971
n÷3 6707314
n÷3 5030485.5
n÷5 4024388.4

Exponentiation

ny
n2 404892549851364
n3 8.1472244043413E+21
n4 1.6393797692514E+29
n5 3.298750463285E+36

Nth Root

y√n
2√n 4485.7487669284
3√n 271.99231343619
4√n 66.97573267183
5√n 28.889097762182

Divisors of 20121942

1, 2, 3, 6, 547, 1094, 1641, 3282, 6131, 12262, 18393, 36786, 3353657, 6707314, 10060971, 20121942

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 -20121941
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 20121942 can be divided by 16 positive divisors. The sum of these divisors (counting 20121942) is 1, the average is 0.0625.

Base conversion 20121942

Base System Value
2 Binary 1001100110000100101010110
3 Ternary 1101212022010010
4 Quaternary 1030300211112
5 Quinary 20122400232
6 Senary 1555141050
8 Octal 114604526
10 Decimal 20121942
12 Duodecimal 68a4786
16 Hexadecimal 1330956
20 Vigesimal 65f4h2
36 Base36 bza6u

Cryptographic Hash Functions

md5 53c8a8108b035ca575ad4510622dafff
sha1 95b7abb759368c8dd02f65e332e587c62b9639f8
sha256 77f6acbb7ac7f9803cd3d318000493afb511cbb65e6073351829e8e48d2c90fd
sha512 33d7e1ccd76f7005d81c72b2bcf69afc83ca4f9d47c4b29bc25062b7991f24a967fae643022d96e996acffe8907433c6fe63db3d87e0f62dbf14d0f6c78b2031
ripemd-160 469e9351f9c2ab4509af9ffced15d8ad0994d3b6

20121942 as geometric shapes

Circle

Radius = n
Diameter 40243884
Circumference 126429890.32632
Area 1.2720074601063E+15

Sphere

Radius = n
Volume 3.4127013781101E+22
Surface area 5.0880298404251E+15
Circumference 126429890.32632

Square

Length = n
Perimeter 80487768
Area 404892549851364
Diagonal 28456723.277685

Cube

Length = n
Surface area 2429355299108184
Volume 8.1472244043413E+21
Space diagonal 34852225.890954

Equilateral Triangle

Length = n
Perimeter 60365826
Area 1.7532361698717E+14
Altitude 17426112.945477

Triangular Pyramid

Length = n
Surface area 1.7532361698717E+14
Volume 9.6015960402637E+20
Height 9485574.4258949