20804891 (number)

20804891 is an odd 8-digits prime number following 20804890 and preceding 20804892. In scientific notation, it is written as 2.0804891 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 20804890 positive integers (up to 20804891) that are relatively prime to 20804891.

Interesting facts

Basic properties

Name

Name twenty million eight hundred four thousand eight hundred ninety-one

Notation

Scientific notation 2.0804891 × 10^7
Engineering notation 2.0804891 × 10^6

Prime Factorization of 20804891

Prime Factorization 20804891

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20804891
Product of the distinct prime numbers

The prime factorization of 20804891 is 20804891. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20804891)

Multiplication

n×y
n×2 41609782
n×3 62414673
n×4 83219564
n×5 104024455

Division

n÷y
n÷2 10402445.5
n÷3 6934963.6666667
n÷3 5201222.75
n÷5 4160978.2

Exponentiation

ny
n2 432843489521881
n3 9.0052616195624E+21
n4 1.8735348642148E+29
n5 3.8978688634688E+36

Nth Root

y√n
2√n 4561.2378802251
3√n 275.03532769286
4√n 67.536937154605
5√n 29.082590549763

Divisors of 20804891

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20804892
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10402446
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4561.2379898444
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999038688
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20804891 can be divided by 2 positive divisors. The sum of these divisors (counting 20804891) is 20804892, the average is 10402446.

Base conversion 20804891

Base System Value
2 Binary 1001111010111010100011011
3 Ternary 1110010222221112
4 Quaternary 1033113110123
5 Quinary 20311224031
6 Senary 2021530535
8 Octal 117272433
10 Decimal 20804891
12 Duodecimal 6b73a4b
16 Hexadecimal 13d751b
20 Vigesimal 6a0c4b
36 Base36 cdx5n

Cryptographic Hash Functions

md5 5f557b861c24c71fea5007ffa2c0c920
sha1 ad5b4791f28e3231791dc823dba7e5db18c75e14
sha256 a731bb3c7f6fa9adb06356668a074dc0a0c99ad1c5320a3484a1b822aac8061e
sha512 1e5654def6462c6de57f5a3d3f8a3ce98724585a12e6da7653ab579a537285272dc9a67ed336022979244530d30d90b8f501014379cb522266a1fde2198ca411
ripemd-160 7784534d045aa31b714077d72ff61bdbe881c009

20804891 as geometric shapes

Circle

Radius = n
Diameter 41609782
Circumference 130720985.44867
Area 1.3598179268361E+15

Sphere

Radius = n
Volume 3.7721151663562E+22
Surface area 5.4392717073444E+15
Circumference 130720985.44867

Square

Length = n
Perimeter 83219564
Area 432843489521881
Diagonal 29422559.015894

Cube

Length = n
Surface area 2597060937131286
Volume 9.0052616195624E+21
Space diagonal 36035128.257932

Equilateral Triangle

Length = n
Perimeter 62414673
Area 1.8742672889433E+14
Altitude 18017564.128966

Triangular Pyramid

Length = n
Surface area 1.8742672889433E+14
Volume 1.0612802595919E+21
Height 9807519.6719646