20121447 (number)

20121447 is an odd 8-digits composite number following 20121446 and preceding 20121448. In scientific notation, it is written as 2.0121447 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 12633600 positive integers (up to 20121447) that are relatively prime to 20121447.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121447 × 10^7
Engineering notation 2.0121447 × 10^6

Prime Factorization of 20121447

Prime Factorization 41 × 3 × 29 × 5641

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121447
Product of the distinct prime numbers

The prime factorization of 20121447 is 41 × 3 × 29 × 5641. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 22, 16, 729, 712, 4024, 5362, 10597, 57697, 20565, 688315, 7616246, 9182101, 64140222, 35163442, 675411545, 44089095, 8814007238, 869917858

Basic calculations (n = 20121447)

Multiplication

n×y
n×2 40242894
n×3 60364341
n×4 80485788
n×5 100607235

Division

n÷y
n÷2 10060723.5
n÷3 6707149
n÷3 5030361.75
n÷5 4024289.4

Exponentiation

ny
n2 404872629373809
n3 8.1466231536957E+21
n4 1.6392184601606E+29
n5 3.2983447367543E+36

Nth Root

y√n
2√n 4485.693591854
3√n 271.99008307991
4√n 66.975320767086
5√n 28.888955626357

Divisors of 20121447

1, 3, 29, 41, 87, 123, 1189, 3567, 5641, 16923, 163589, 231281, 490767, 693843, 6707149, 20121447

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 -20121446
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 20121447 can be divided by 16 positive divisors. The sum of these divisors (counting 20121447) is 1, the average is 0.0625.

Base conversion 20121447

Base System Value
2 Binary 1001100110000011101100111
3 Ternary 1101212021102210
4 Quaternary 1030300131213
5 Quinary 20122341242
6 Senary 1555134503
8 Octal 114603547
10 Decimal 20121447
12 Duodecimal 68a4433
16 Hexadecimal 1330767
20 Vigesimal 65f3c7
36 Base36 bz9t3

Cryptographic Hash Functions

md5 f55712ed3abc501b09d6ee3785b2c6b3
sha1 0688dc369248fca5d2d26ff1fedc77d36931aaf7
sha256 7c35876bd64e513ad5d9547b8ff8a0b68e843f74ddb7413547ef34e20abde711
sha512 fbb4149fb95dd803f38382eef50394a8a9283f5a3ca9538736d64fdf0949b7f0cc8c6bc0e737595f08476ff2ec8dfaa17caba73821745e9b705ee4065ef675c4
ripemd-160 c1848c5a89602ab01a47301a7acf9112858530f1

20121447 as geometric shapes

Circle

Radius = n
Diameter 40242894
Circumference 126426780.14959
Area 1.2719448780803E+15

Sphere

Radius = n
Volume 3.4124495268287E+22
Surface area 5.0877795123214E+15
Circumference 126426780.14959

Square

Length = n
Perimeter 80485788
Area 404872629373809
Diagonal 28456023.241971

Cube

Length = n
Surface area 2429235776242854
Volume 8.1466231536957E+21
Space diagonal 34851368.525804

Equilateral Triangle

Length = n
Perimeter 60364341
Area 1.7531499116736E+14
Altitude 17425684.262902

Triangular Pyramid

Length = n
Surface area 1.7531499116736E+14
Volume 9.6008874595827E+20
Height 9485341.0806571