20787621 (number)

20787621 is an odd 8-digits composite number following 20787620 and preceding 20787622. In scientific notation, it is written as 2.0787621 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 13651440 positive integers (up to 20787621) that are relatively prime to 20787621.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-seven thousand six hundred twenty-one

Notation

Scientific notation 2.0787621 × 10^7
Engineering notation 2.0787621 × 10^6

Prime Factorization of 20787621

Prime Factorization 3 × 67 × 103421

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20787621
Product of the distinct prime numbers

The prime factorization of 20787621 is 3 × 67 × 103421. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20787621)

Multiplication

n×y
n×2 41575242
n×3 62362863
n×4 83150484
n×5 103938105

Division

n÷y
n÷2 10393810.5
n÷3 6929207
n÷3 5196905.25
n÷5 4157524.2

Exponentiation

ny
n2 432125186839641
n3 8.9828546085766E+21
n4 1.8673217710119E+29
n5 3.8817177260845E+36

Nth Root

y√n
2√n 4559.3443607607
3√n 274.95920496782
4√n 67.52291730043
5√n 29.077760693267

Divisors of 20787621

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20787620
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20787621 can be divided by 8 positive divisors. The sum of these divisors (counting 20787621) is 1, the average is 0.125.

Base conversion 20787621

Base System Value
2 Binary 1001111010011000110100101
3 Ternary 1110010010020220
4 Quaternary 1033103012211
5 Quinary 20310200441
6 Senary 2021314553
8 Octal 117230645
10 Decimal 20787621
12 Duodecimal 6b65a59
16 Hexadecimal 13d31a5
20 Vigesimal 69i911
36 Base36 cdjtx

Cryptographic Hash Functions

md5 513b5a7a64e0a285c3231e371c31be30
sha1 2917f24d7d818e9b98dbb6015e37b1241a7d2adc
sha256 1fc10d2ab9a9a627500ab9ebf1400b48fd73b3490d93eefe5c1393142658ba6e
sha512 d035dc6a5e7fad2777272749542ed96a6dd628d076340d455ae8d479a41db029fafc9576e7654227040a4d07d128d8f5e8d6c419caf18fd971f6bb6f79137206
ripemd-160 b14a78be46c14e29be94e93968a989b9be9aeb1a

20787621 as geometric shapes

Circle

Radius = n
Diameter 41575242
Circumference 130612474.83842
Area 1.3575613124065E+15

Sphere

Radius = n
Volume 3.7627293395426E+22
Surface area 5.4302452496261E+15
Circumference 130612474.83842

Square

Length = n
Perimeter 83150484
Area 432125186839641
Diagonal 29398135.547672

Cube

Length = n
Surface area 2592751121037846
Volume 8.9828546085766E+21
Space diagonal 36005215.740486

Equilateral Triangle

Length = n
Perimeter 62362863
Area 1.8711569470911E+14
Altitude 18002607.870243

Triangular Pyramid

Length = n
Surface area 1.8711569470911E+14
Volume 1.0586395680229E+21
Height 9799378.5158906