20121220 (number)

20121220 is an even 8-digits composite number following 20121219 and preceding 20121221. In scientific notation, it is written as 2.0121220 × 10^7. The sum of its digits is 10. It has a total of 5 prime factors and 24 positive divisors. There are 6825600 positive integers (up to 20121220) that are relatively prime to 20121220.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121220 × 10^7
Engineering notation 2.0121220 × 10^6

Prime Factorization of 20121220

Prime Factorization 2 × 2 × 35 × 101 × 1423

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10060610
Product of the distinct prime numbers

The prime factorization of 20121220 is 2 × 2 × 35 × 101 × 1423. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 10, 70, 34, 392, 362, 4138, 7571, 6097, 50343, 780599, 207094, 8148618, 9577548, 59853853, 42304570, 934256782, 908541471, 2070731645, 7082237333

Basic calculations (n = 20121220)

Multiplication

n×y
n×2 40242440
n×3 60363660
n×4 80484880
n×5 100606100

Division

n÷y
n÷2 10060610
n÷3 6707073.3333333
n÷3 5030305
n÷5 4024244

Exponentiation

ny
n2 404863494288400
n3 8.1463474385456E+21
n4 1.6391444900741E+29
n5 3.2981586896569E+36

Nth Root

y√n
2√n 4485.6682891181
3√n 271.98906025782
4√n 66.975131870853
5√n 28.888890443942

Divisors of 20121220

1, 2, 4, 35, 70, 101, 140, 202, 404, 1423, 2846, 3535, 5692, 7070, 14140, 49805, 99610, 143723, 199220, 287446, 574892, 5030305, 10060610, 20121220

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121219
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121220 can be divided by 24 positive divisors. The sum of these divisors (counting 20121220) is 1, the average is 0.041666666666667.

Base conversion 20121220

Base System Value
2 Binary 1001100110000011010000100
3 Ternary 1101212021010101
4 Quaternary 1030300122010
5 Quinary 20122334340
6 Senary 1555133444
8 Octal 114603204
10 Decimal 20121220
12 Duodecimal 68a4284
16 Hexadecimal 1330684
20 Vigesimal 65f310
36 Base36 bz9ms

Cryptographic Hash Functions

md5 486b54009ac2ba6bde21aca441be9bb2
sha1 8705a9b583dd0e2d909884a44863c35cb5ec11bb
sha256 eedc96f8a9d589ae9436558217326119075989b06ab4e440dae7925bff62f1f0
sha512 44931a0142b3f713ad969cf4c0290d943c7d1ff0111e06bec31b8a7342a562ce221628cff5c45d50467893d48e20f18be842e34d2a2474946fa07442cfd62bde
ripemd-160 846802bcac1485010e8b3c85a76c42cb44b4d9dd

20121220 as geometric shapes

Circle

Radius = n
Diameter 40242440
Circumference 126425353.86653
Area 1.2719161793631E+15

Sphere

Radius = n
Volume 3.4123340355367E+22
Surface area 5.0876647174525E+15
Circumference 126425353.86653

Square

Length = n
Perimeter 80484880
Area 404863494288400
Diagonal 28455702.215493

Cube

Length = n
Surface area 2429180965730400
Volume 8.1463474385456E+21
Space diagonal 34850975.350271

Equilateral Triangle

Length = n
Perimeter 60363660
Area 1.7531103555935E+14
Altitude 17425487.675136

Triangular Pyramid

Length = n
Surface area 1.7531103555935E+14
Volume 9.6005625261621E+20
Height 9485234.0718309