20788905 (number)

20788905 is an odd 8-digits composite number following 20788904 and preceding 20788906. In scientific notation, it is written as 2.0788905 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 11056320 positive integers (up to 20788905) that are relatively prime to 20788905.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-eight thousand nine hundred five

Notation

Scientific notation 2.0788905 × 10^7
Engineering notation 2.0788905 × 10^6

Prime Factorization of 20788905

Prime Factorization 3 × 5 × 397 × 3491

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20788905
Product of the distinct prime numbers

The prime factorization of 20788905 is 3 × 5 × 397 × 3491. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 29, 24, 832, 519, 6562, 967, 60665, 53935, 461419, 184014, 5423726, 31044, 53180818, 8237193, 522798855, 105738044, 3493991834, 5869549359

Basic calculations (n = 20788905)

Multiplication

n×y
n×2 41577810
n×3 62366715
n×4 83155620
n×5 103944525

Division

n÷y
n÷2 10394452.5
n÷3 6929635
n÷3 5197226.25
n÷5 4157781

Exponentiation

ny
n2 432178571099025
n3 8.9845192576134E+21
n4 1.8677831731719E+29
n5 3.882916694767E+36

Nth Root

y√n
2√n 4559.4851683057
3√n 274.9648660349
4√n 67.523959957231
5√n 29.078119896682

Divisors of 20788905

1, 3, 5, 15, 397, 1191, 1985, 3491, 5955, 10473, 17455, 52365, 1385927, 4157781, 6929635, 20788905

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 -20788904
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 20788905 can be divided by 16 positive divisors. The sum of these divisors (counting 20788905) is 1, the average is 0.0625.

Base conversion 20788905

Base System Value
2 Binary 1001111010011011010101001
3 Ternary 1110010012000110
4 Quaternary 1033103122221
5 Quinary 20310221110
6 Senary 2021324533
8 Octal 117233251
10 Decimal 20788905
12 Duodecimal 6b66749
16 Hexadecimal 13d36a9
20 Vigesimal 69ic55
36 Base36 cdktl

Cryptographic Hash Functions

md5 6e8edcd5494c93cb6d04bb99e354494b
sha1 98fee88c4f2fc624d9eb555f2148011919a06e9e
sha256 ccbad5bb88444560b41aaf692ed36eaef75003e72e0ff1990afd04123324cb47
sha512 18fe2d198347d571215e67b263b463a62e5961f76987eaf95a6d9811771c2c1e899754dc41329e21136e26bd6a74d1b0baa45c5ba75880f1e9c93a56605d9cda
ripemd-160 39de3859de5a413de6457ffe0758e4506998a5fe

20788905 as geometric shapes

Circle

Radius = n
Diameter 41577810
Circumference 130620542.44835
Area 1.3577290240036E+15

Sphere

Radius = n
Volume 3.7634266261006E+22
Surface area 5.4309160960145E+15
Circumference 130620542.44835

Square

Length = n
Perimeter 83155620
Area 432178571099025
Diagonal 29399951.397886

Cube

Length = n
Surface area 2593071426594150
Volume 8.9845192576134E+21
Space diagonal 36007439.693723

Equilateral Triangle

Length = n
Perimeter 62366715
Area 1.8713881077151E+14
Altitude 18003719.846861

Triangular Pyramid

Length = n
Surface area 1.8713881077151E+14
Volume 1.0588357487933E+21
Height 9799983.7992953