20105904 (number)

20105904 is an even 8-digits composite number following 20105903 and preceding 20105905. In scientific notation, it is written as 2.0105904 × 10^7. The sum of its digits is 21. It has a total of 7 prime factors and 40 positive divisors. There are 5301504 positive integers (up to 20105904) that are relatively prime to 20105904.

Interesting facts

Basic properties

Name

Name twenty million one hundred five thousand nine hundred four

Notation

Scientific notation 2.0105904 × 10^7
Engineering notation 2.0105904 × 10^6

Prime Factorization of 20105904

Prime Factorization 2 × 2 × 2 × 2 × 21 × 13 × 4603

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2513238
Product of the distinct prime numbers

The prime factorization of 20105904 is 2 × 2 × 2 × 2 × 21 × 13 × 4603. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20105904)

Multiplication

n×y
n×2 40211808
n×3 60317712
n×4 80423616
n×5 100529520

Division

n÷y
n÷2 10052952
n÷3 6701968
n÷3 5026476
n÷5 4021180.8

Exponentiation

ny
n2 404247375657216
n3 8.1277589272159E+21
n4 1.6341594072575E+29
n5 3.2856252163015E+36

Nth Root

y√n
2√n 4483.9607491592
3√n 271.92003127791
4√n 66.962383090502
5√n 28.884491137875

Divisors of 20105904

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20105903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20105904 can be divided by 40 positive divisors. The sum of these divisors (counting 20105904) is 1, the average is 0.025.

Base conversion 20105904

Base System Value
2 Binary 1001100101100101010110000
3 Ternary 1101211111010010
4 Quaternary 1030230222300
5 Quinary 20121342104
6 Senary 1554534520
8 Octal 114545260
10 Decimal 20105904
12 Duodecimal 6897440
16 Hexadecimal 132cab0
20 Vigesimal 65d4f4
36 Base36 byxtc

Cryptographic Hash Functions

md5 40f27dce40ea9f34c050b765b7dafeb0
sha1 1c50ab07995d01bbd0f670f201a6b2691ed8d9f0
sha256 059008be6af6e247ffd6f8b667cd8190b117081a088ed560e5940e889fee4237
sha512 bb96d27f57cb0ae8e60adea400253ac08af3b10d1e878b254cac8d2a779a7b28d44904172cabbcc9170e3e8b1e13e8829974bf16bf81ce7cc9d1204366cd8a0e
ripemd-160 c498173eed4b421148ec0231b21d5bb441ce9cf3

20105904 as geometric shapes

Circle

Radius = n
Diameter 40211808
Circumference 126329120.60036
Area 1.2699805855977E+15

Sphere

Radius = n
Volume 3.4045476981187E+22
Surface area 5.0799223423907E+15
Circumference 126329120.60036

Square

Length = n
Perimeter 80423616
Area 404247375657216
Diagonal 28434042.120571

Cube

Length = n
Surface area 2425484253943296
Volume 8.1277589272159E+21
Space diagonal 34824447.260102

Equilateral Triangle

Length = n
Perimeter 60317712
Area 1.7504424836617E+14
Altitude 17412223.630051

Triangular Pyramid

Length = n
Surface area 1.7504424836617E+14
Volume 9.5786557554731E+20
Height 9478014.0401905