20121904 (number)

20121904 is an even 8-digits composite number following 20121903 and preceding 20121905. In scientific notation, it is written as 2.0121904 × 10^7. The sum of its digits is 19. It has a total of 6 prime factors and 20 positive divisors. There are 9146240 positive integers (up to 20121904) that are relatively prime to 20121904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121904 × 10^7
Engineering notation 2.0121904 × 10^6

Prime Factorization of 20121904

Prime Factorization 2 × 2 × 2 × 2 × 11 × 114329

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2515238
Product of the distinct prime numbers

The prime factorization of 20121904 is 2 × 2 × 2 × 2 × 11 × 114329. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 2, 43, 25, 172, 505, 1739, 2031, 2607, 11682, 763695, 705336, 213461, 8223748, 60760738, 14156022, 913958981, 92710463, 6642409196, 2112579464

Basic calculations (n = 20121904)

Multiplication

n×y
n×2 40243808
n×3 60365712
n×4 80487616
n×5 100609520

Division

n÷y
n÷2 10060952
n÷3 6707301.3333333
n÷3 5030476
n÷5 4024380.8

Exponentiation

ny
n2 404891020585216
n3 8.1471782466777E+21
n4 1.6393673855054E+29
n5 3.298719315187E+36

Nth Root

y√n
2√n 4485.7445312902
3√n 271.99214221821
4√n 66.975701051129
5√n 28.889086850844

Divisors of 20121904

1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 114329, 228658, 457316, 914632, 1257619, 1829264, 2515238, 5030476, 10060952, 20121904

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121904 can be divided by 20 positive divisors. The sum of these divisors (counting 20121904) is 1, the average is 0.05.

Base conversion 20121904

Base System Value
2 Binary 1001100110000100100110000
3 Ternary 1101212022001201
4 Quaternary 1030300210300
5 Quinary 20122400104
6 Senary 1555140544
8 Octal 114604460
10 Decimal 20121904
12 Duodecimal 68a4754
16 Hexadecimal 1330930
20 Vigesimal 65f4f4
36 Base36 bza5s

Cryptographic Hash Functions

md5 ff256c2b5e8b71838298ceb217429c4f
sha1 3dcbfc0714190d279d6027e9dfb842ac97d1514b
sha256 eafa90ce804b07e27ee5723d0ae50a378f50c3a77635db3ff5f18ea28104c844
sha512 ae0a650567782dc33aa0ce561a8df0b360c6413db089e0c9010e10c35c8596ba37a44ef83002d0ee4d780d6c698214ea17f5dc3360cd1d82819dbc790c1c9732
ripemd-160 52256f945b130d2b1dfa0df43481013ea11fdc41

20121904 as geometric shapes

Circle

Radius = n
Diameter 40243808
Circumference 126429651.56528
Area 1.272002655775E+15

Sphere

Radius = n
Volume 3.4126820436332E+22
Surface area 5.0880106231E+15
Circumference 126429651.56528

Square

Length = n
Perimeter 80487616
Area 404891020585216
Diagonal 28456669.537569

Cube

Length = n
Surface area 2429346123511296
Volume 8.1471782466777E+21
Space diagonal 34852160.073023

Equilateral Triangle

Length = n
Perimeter 60365712
Area 1.753229547955E+14
Altitude 17426080.036512

Triangular Pyramid

Length = n
Surface area 1.753229547955E+14
Volume 9.6015416429356E+20
Height 9485556.5125231