21897308 (number)

21897308 is an even 8-digits composite number following 21897307 and preceding 21897309. In scientific notation, it is written as 2.1897308 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 10935552 positive integers (up to 21897308) that are relatively prime to 21897308.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-seven thousand three hundred eight

Notation

Scientific notation 2.1897308 × 10^7
Engineering notation 2.1897308 × 10^6

Prime Factorization of 21897308

Prime Factorization 2 × 2 × 983 × 5569

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10948654
Product of the distinct prime numbers

The prime factorization of 21897308 is 2 × 2 × 983 × 5569. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 5, 23, 161, 875, 4641, 2506, 31074, 47933, 409911, 126663, 9728528, 7408049, 33690934, 44491545, 94628216, 810767075, 5377402639, 8211284950

Basic calculations (n = 21897308)

Multiplication

n×y
n×2 43794616
n×3 65691924
n×4 87589232
n×5 109486540

Division

n÷y
n÷2 10948654
n÷3 7299102.6666667
n÷3 5474327
n÷5 4379461.6

Exponentiation

ny
n2 479492097646864
n3 1.0499586145739E+22
n4 2.2991267170579E+29
n5 5.0344685854446E+36

Nth Root

y√n
2√n 4679.4559512832
3√n 279.76727260413
4√n 68.406549037963
5√n 29.381782897883

Divisors of 21897308

1, 2, 4, 983, 1966, 3932, 5569, 11138, 22276, 5474327, 10948654, 21897308

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21897307
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21897308 can be divided by 12 positive divisors. The sum of these divisors (counting 21897308) is 1, the average is 0.083333333333333.

Base conversion 21897308

Base System Value
2 Binary 1010011100010000001011100
3 Ternary 1112012111110102
4 Quaternary 1103202001130
5 Quinary 21101203213
6 Senary 2101200232
8 Octal 123420134
10 Decimal 21897308
12 Duodecimal 7400078
16 Hexadecimal 14e205c
20 Vigesimal 6gh358
36 Base36 d1c2k

Cryptographic Hash Functions

md5 9628ad90d14c1f454c6f6c1e2567de3b
sha1 d7db8e8e0a3159d463131ef102604525413e0c94
sha256 77534dfa1d100951d198b636024a64140da6823bda903b8001e5f3fa23fba794
sha512 5112b13f729cab6c5d9eef9d193ee10d9ac67cc73ffa75e85cc586cb7f249982aeb50ffb533341fbd26b8996c3177fd3a9482005d0957eff60962a8661d4a2e0
ripemd-160 af86c094baf998f64cd2605d0b8c4166ed69809c

21897308 as geometric shapes

Circle

Radius = n
Diameter 43794616
Circumference 137584843.89239
Area 1.5063688514217E+15

Sphere

Radius = n
Volume 4.3980563601584E+22
Surface area 6.025475405687E+15
Circumference 137584843.89239

Square

Length = n
Perimeter 87589232
Area 479492097646864
Diagonal 30967469.953061

Cube

Length = n
Surface area 2876952585881184
Volume 1.0499586145739E+22
Space diagonal 37927250.004984

Equilateral Triangle

Length = n
Perimeter 65691924
Area 2.0762616873804E+14
Altitude 18963625.002492

Triangular Pyramid

Length = n
Surface area 2.0762616873804E+14
Volume 1.2373880938841E+21
Height 10322489.984354