20405904 (number)

20405904 is an even 8-digits composite number following 20405903 and preceding 20405905. In scientific notation, it is written as 2.0405904 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 20 positive divisors. There are 6801952 positive integers (up to 20405904) that are relatively prime to 20405904.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand nine hundred four

Notation

Scientific notation 2.0405904 × 10^7
Engineering notation 2.0405904 × 10^6

Prime Factorization of 20405904

Prime Factorization 2 × 2 × 2 × 2 × 3 × 425123

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2550738
Product of the distinct prime numbers

The prime factorization of 20405904 is 2 × 2 × 2 × 2 × 3 × 425123. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 6, 60, 7, 515, 640, 1684, 2049, 84308, 14599, 450181, 437636, 4625920, 1234076, 92560550, 86068877, 388141172, 916332109, 7046668341, 8180071983

Basic calculations (n = 20405904)

Multiplication

n×y
n×2 40811808
n×3 61217712
n×4 81623616
n×5 102029520

Division

n÷y
n÷2 10202952
n÷3 6801968
n÷3 5101476
n÷5 4081180.8

Exponentiation

ny
n2 416400918057216
n3 8.4970371593874E+21
n4 1.7338972455889E+29
n5 3.5381740739352E+36

Nth Root

y√n
2√n 4517.2894527581
3√n 273.26579863659
4√n 67.210783753488
5√n 28.970178280778

Divisors of 20405904

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 425123, 850246, 1275369, 1700492, 2550738, 3400984, 5101476, 6801968, 10202952, 20405904

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 -20405903
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 20405904 can be divided by 20 positive divisors. The sum of these divisors (counting 20405904) is 1, the average is 0.05.

Base conversion 20405904

Base System Value
2 Binary 1001101110101111010010000
3 Ternary 1102101201122020
4 Quaternary 1031311322100
5 Quinary 20210442104
6 Senary 2005211440
8 Octal 115657220
10 Decimal 20405904
12 Duodecimal 6a00b80
16 Hexadecimal 1375e90
20 Vigesimal 67aef4
36 Base36 c5dao

Cryptographic Hash Functions

md5 ed119de5fef249606e04ba65cb0ecd8c
sha1 494ff29985fd718f3775d8c5b244974bdbcca346
sha256 5663e83866c11504452b2b00cdb6664b4b2e7716b098e5c65acb9e7bc9b10d4c
sha512 fbae5c1caaf74edb5f604f18e59c9badfa9f8997cf58769de7ad3a011576e720c41865d5c9f6b052e81cf264db31751899e26595c1679857beb08c71b633da28
ripemd-160 823f7ea5619ee65e0d2b0f70df73ab8e8fcd3fc3

20405904 as geometric shapes

Circle

Radius = n
Diameter 40811808
Circumference 128214076.19252
Area 1.3081620651166E+15

Sphere

Radius = n
Volume 3.5592306022948E+22
Surface area 5.2326482604664E+15
Circumference 128214076.19252

Square

Length = n
Perimeter 81623616
Area 416400918057216
Diagonal 28858306.189283

Cube

Length = n
Surface area 2498405508343296
Volume 8.4970371593874E+21
Space diagonal 35344062.502373

Equilateral Triangle

Length = n
Perimeter 61217712
Area 1.8030688659836E+14
Altitude 17672031.251186

Triangular Pyramid

Length = n
Surface area 1.8030688659836E+14
Volume 1.0013854325662E+21
Height 9619435.3964278