21998764 (number)

21998764 is an even 8-digits composite number following 21998763 and preceding 21998765. In scientific notation, it is written as 2.1998764 × 10^7. The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors. There are 10478160 positive integers (up to 21998764) that are relatively prime to 21998764.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1998764 × 10^7
Engineering notation 2.1998764 × 10^6

Prime Factorization of 21998764

Prime Factorization 2 × 2 × 23 × 491 × 487

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10999382
Product of the distinct prime numbers

The prime factorization of 21998764 is 2 × 2 × 23 × 491 × 487. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21998764)

Multiplication

n×y
n×2 43997528
n×3 65996292
n×4 87995056
n×5 109993820

Division

n÷y
n÷2 10999382
n÷3 7332921.3333333
n÷3 5499691
n÷5 4399752.8

Exponentiation

ny
n2 483945617527696
n3 1.0646205428826E+22
n4 2.3420336072426E+29
n5 5.1521844605799E+36

Nth Root

y√n
2√n 4690.2839999301
3√n 280.19868551179
4√n 68.485648131051
5√n 29.408959287312

Divisors of 21998764

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21998763
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21998764 can be divided by 24 positive divisors. The sum of these divisors (counting 21998764) is 1, the average is 0.041666666666667.

Base conversion 21998764

Base System Value
2 Binary 1010011111010110010101100
3 Ternary 1112101122122001
4 Quaternary 1103322302230
5 Quinary 21112430024
6 Senary 2103302044
8 Octal 123726254
10 Decimal 21998764
12 Duodecimal 744a924
16 Hexadecimal 14facac
20 Vigesimal 6h9gi4
36 Base36 d3ics

Cryptographic Hash Functions

md5 73f7feedfe4c4f1c08df57e87edf7b12
sha1 8c153454cce05e32e8454068967ba54e4b198f99
sha256 290be4dc8d76324a971d673abe44e03b2e30513b2b0b934d84a776eb77650b4e
sha512 2c4e4dfa500174c61661c023ce37f1e2185cf1b0484f2109f3e8bba6d9dfda5370cd624d3fe6ce074215d0c40f75fa9276ab8569abd01e9cb19b60f35ec2e996
ripemd-160 fbc8a75015ee1134a715e02bdd9585b1eb06231c

21998764 as geometric shapes

Circle

Radius = n
Diameter 43997528
Circumference 138222310.74091
Area 1.520359996762E+15

Sphere

Radius = n
Volume 4.459472101841E+22
Surface area 6.0814399870479E+15
Circumference 138222310.74091

Square

Length = n
Perimeter 87995056
Area 483945617527696
Diagonal 31110950.404245

Cube

Length = n
Surface area 2903673705166176
Volume 1.0646205428826E+22
Space diagonal 38102976.951717

Equilateral Triangle

Length = n
Perimeter 65996292
Area 2.0955459941457E+14
Altitude 19051488.475859

Triangular Pyramid

Length = n
Surface area 2.0955459941457E+14
Volume 1.2546673421047E+21
Height 10370316.801415