21898979 (number)

21898979 is an odd 8-digits composite number following 21898978 and preceding 21898980. In scientific notation, it is written as 2.1898979 × 10^7. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 21889584 positive integers (up to 21898979) that are relatively prime to 21898979.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-eight thousand nine hundred seventy-nine

Notation

Scientific notation 2.1898979 × 10^7
Engineering notation 2.1898979 × 10^6

Prime Factorization of 21898979

Prime Factorization 5113 × 4283

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21898979
Product of the distinct prime numbers

The prime factorization of 21898979 is 5113 × 4283. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 1, 55, 10, 791, 348, 9983, 4112, 37575, 30125, 439485, 18787, 8126, 8999994, 35162136, 70109314, 869483550, 584408663, 5034327698, 7564339570

Basic calculations (n = 21898979)

Multiplication

n×y
n×2 43797958
n×3 65696937
n×4 87595916
n×5 109494895

Division

n÷y
n÷2 10949489.5
n÷3 7299659.6666667
n÷3 5474744.75
n÷5 4379795.8

Exponentiation

ny
n2 479565281242441
n3 1.0501990023057E+22
n4 2.2998285897314E+29
n5 5.0363897990128E+36

Nth Root

y√n
2√n 4679.6344942741
3√n 279.77438883993
4√n 68.407854039387
5√n 29.382231313375

Divisors of 21898979

1, 4283, 5113, 21898979

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21898978
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21898979 can be divided by 4 positive divisors. The sum of these divisors (counting 21898979) is 1, the average is 0.25.

Base conversion 21898979

Base System Value
2 Binary 1010011100010011011100011
3 Ternary 1112012120202022
4 Quaternary 1103202123203
5 Quinary 21101231404
6 Senary 2101212055
8 Octal 123423343
10 Decimal 21898979
12 Duodecimal 740102b
16 Hexadecimal 14e26e3
20 Vigesimal 6gh78j
36 Base36 d1dcz

Cryptographic Hash Functions

md5 abc24e6fe9e097df3f47621552f5fa6b
sha1 3986edfc5647a6bd1d5965c450cb62a1a806f577
sha256 3d426c844a1f9b1db1fe3df409faaab3f7ce1f1e4bba8cdfbcf7ccab6479fba9
sha512 f2a882654834d768c94cfabc49c44432a9884ea903e0d352020c65bc4dd55f9b58169c72d06a8faff72e5e21da5d5ae5624c32357f960fea95f6619bb63e3751
ripemd-160 8d71897d3c739366502136c97b5a67bc7a7233e9

21898979 as geometric shapes

Circle

Radius = n
Diameter 43797958
Circumference 137595343.09503
Area 1.506598764468E+15

Sphere

Radius = n
Volume 4.3990632939347E+22
Surface area 6.0263950578719E+15
Circumference 137595343.09503

Square

Length = n
Perimeter 87595916
Area 479565281242441
Diagonal 30969833.103924

Cube

Length = n
Surface area 2877391687454646
Volume 1.0501990023057E+22
Space diagonal 37930144.261884

Equilateral Triangle

Length = n
Perimeter 65696937
Area 2.0765785816449E+14
Altitude 18965072.130942

Triangular Pyramid

Length = n
Surface area 2.0765785816449E+14
Volume 1.2376713935429E+21
Height 10323277.701308