20921867 (number)

20921867 is an odd 8-digits prime number following 20921866 and preceding 20921868. In scientific notation, it is written as 2.0921867 × 10^7. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 20921866 positive integers (up to 20921867) that are relatively prime to 20921867.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand eight hundred sixty-seven

Notation

Scientific notation 2.0921867 × 10^7
Engineering notation 2.0921867 × 10^6

Prime Factorization of 20921867

Prime Factorization 20921867

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20921867
Product of the distinct prime numbers

The prime factorization of 20921867 is 20921867. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921867)

Multiplication

n×y
n×2 41843734
n×3 62765601
n×4 83687468
n×5 104609335

Division

n÷y
n÷2 10460933.5
n÷3 6973955.6666667
n÷3 5230466.75
n÷5 4184373.4

Exponentiation

ny
n2 437724518765689
n3 9.1580141642547E+21
n4 1.9160275432865E+29
n5 4.0086873428978E+36

Nth Root

y√n
2√n 4574.0427413832
3√n 275.54982887735
4√n 67.631669662837
5√n 29.115220759358

Divisors of 20921867

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20921868
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10460934
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4574.0428506957
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999044062
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921867 can be divided by 2 positive divisors. The sum of these divisors (counting 20921867) is 20921868, the average is 10460934.

Base conversion 20921867

Base System Value
2 Binary 1001111110011111000001011
3 Ternary 1110100221101222
4 Quaternary 1033303320023
5 Quinary 20323444432
6 Senary 2024232255
8 Octal 117637013
10 Decimal 20921867
12 Duodecimal 700b68b
16 Hexadecimal 13f3e0b
20 Vigesimal 6af4d7
36 Base36 cgfez

Cryptographic Hash Functions

md5 7567e3a734af6477d16f483d6f974321
sha1 3d8a628a8b83de8c0facca3af03f156e48ac0e11
sha256 2df10d77fdb5d4a90b89f536711c75c6ce221a77e80b94142c3e27cb68be761a
sha512 acab4345a30e8af877c546539f86ef8b769dd3581008627ecc29f27a6b6150efe61b6eda2c26061a2529713acfd4f09f4fbf040798f802e7ba160f680bfbcf0d
ripemd-160 41c6d187ce75e0a25d4ac61b0bc92d58ac2d1ac7

20921867 as geometric shapes

Circle

Radius = n
Diameter 41843734
Circumference 131455967.33317
Area 1.3751521324504E+15

Sphere

Radius = n
Volume 3.8361000026525E+22
Surface area 5.5006085298017E+15
Circumference 131455967.33317

Square

Length = n
Perimeter 83687468
Area 437724518765689
Diagonal 29587988.061566

Cube

Length = n
Surface area 2626347112594134
Volume 9.1580141642547E+21
Space diagonal 36237736.633199

Equilateral Triangle

Length = n
Perimeter 62765601
Area 1.895402765552E+14
Altitude 18118868.316599

Triangular Pyramid

Length = n
Surface area 1.895402765552E+14
Volume 1.0792823196245E+21
Height 9862662.6871887