20921843 (number)

20921843 is an odd 8-digits prime number following 20921842 and preceding 20921844. In scientific notation, it is written as 2.0921843 × 10^7. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 20921842 positive integers (up to 20921843) that are relatively prime to 20921843.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand eight hundred forty-three

Notation

Scientific notation 2.0921843 × 10^7
Engineering notation 2.0921843 × 10^6

Prime Factorization of 20921843

Prime Factorization 20921843

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20921843
Product of the distinct prime numbers

The prime factorization of 20921843 is 20921843. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921843)

Multiplication

n×y
n×2 41843686
n×3 62765529
n×4 83687372
n×5 104609215

Division

n÷y
n÷2 10460921.5
n÷3 6973947.6666667
n÷3 5230460.75
n÷5 4184368.6

Exponentiation

ny
n2 437723514516649
n3 9.1579826481256E+21
n4 1.9160187516081E+29
n5 4.00866435062E+36

Nth Root

y√n
2√n 4574.0401178827
3√n 275.54972351393
4√n 67.631650267332
5√n 29.115214079595

Divisors of 20921843

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20921844
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10460922
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4574.0402271952
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999044061
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921843 can be divided by 2 positive divisors. The sum of these divisors (counting 20921843) is 20921844, the average is 10460922.

Base conversion 20921843

Base System Value
2 Binary 1001111110011110111110011
3 Ternary 1110100221101002
4 Quaternary 1033303313303
5 Quinary 20323444333
6 Senary 2024232215
8 Octal 117636763
10 Decimal 20921843
12 Duodecimal 700b66b
16 Hexadecimal 13f3df3
20 Vigesimal 6af4c3
36 Base36 cgfeb

Cryptographic Hash Functions

md5 2e85855cdda22bce77d1ff5c27303c48
sha1 5e92a95a0b21977c9a61607b0233c32d1aec0cc9
sha256 f632639f113d1bb58882c4cab952cd652e9feb86874e41348f3a67f9701d6a51
sha512 05afab4780cc6d742de4cfe57c810c7afff3d7efbf413b3a0ee0a84dc2112505cd1e13c0cdd47be559758a0fae0a19567eb96773116557ea03a270c4de7ad312
ripemd-160 2e5fa76a5435a5a30f9eb62114050afccaa16a17

20921843 as geometric shapes

Circle

Radius = n
Diameter 41843686
Circumference 131455816.53672
Area 1.375148977509E+15

Sphere

Radius = n
Volume 3.8360868012072E+22
Surface area 5.500595910036E+15
Circumference 131455816.53672

Square

Length = n
Perimeter 83687372
Area 437723514516649
Diagonal 29587954.120441

Cube

Length = n
Surface area 2626341087099894
Volume 9.1579826481256E+21
Space diagonal 36237695.063979

Equilateral Triangle

Length = n
Perimeter 62765529
Area 1.8953984170261E+14
Altitude 18118847.53199

Triangular Pyramid

Length = n
Surface area 1.8953984170261E+14
Volume 1.0792786054131E+21
Height 9862651.3734802