21551828 (number)

21551828 is an even 8-digits composite number following 21551827 and preceding 21551829. In scientific notation, it is written as 2.1551828 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 10307352 positive integers (up to 21551828) that are relatively prime to 21551828.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand eight hundred twenty-eight

Notation

Scientific notation 2.1551828 × 10^7
Engineering notation 2.1551828 × 10^6

Prime Factorization of 21551828

Prime Factorization 2 × 2 × 23 × 234259

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10775914
Product of the distinct prime numbers

The prime factorization of 21551828 is 2 × 2 × 23 × 234259. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 45, 23, 361, 509, 9753, 143, 66673, 23940, 7776, 173503, 1466319, 7563474, 91096180, 52369857, 258655172, 887845472, 7591353999, 3809079358

Basic calculations (n = 21551828)

Multiplication

n×y
n×2 43103656
n×3 64655484
n×4 86207312
n×5 107759140

Division

n÷y
n÷2 10775914
n÷3 7183942.6666667
n÷3 5387957
n÷5 4310365.6

Exponentiation

ny
n2 464481290141584
n3 1.001042087435E+22
n4 2.1574286889159E+29
n5 4.6496532025781E+36

Nth Root

y√n
2√n 4642.3946407
3√n 278.28814386614
4√n 68.135120464412
5√n 29.288479259942

Divisors of 21551828

1, 2, 4, 23, 46, 92, 234259, 468518, 937036, 5387957, 10775914, 21551828

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 -21551827
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 21551828 can be divided by 12 positive divisors. The sum of these divisors (counting 21551828) is 1, the average is 0.083333333333333.

Base conversion 21551828

Base System Value
2 Binary 1010010001101101011010100
3 Ternary 1111112221112212
4 Quaternary 1102031223110
5 Quinary 21004124303
6 Senary 2045532552
8 Octal 122155324
10 Decimal 21551828
12 Duodecimal 7274158
16 Hexadecimal 148dad4
20 Vigesimal 6edjb8
36 Base36 ctxhw

Cryptographic Hash Functions

md5 3c6850f2173b8d0cf3dc8a01b94e84ca
sha1 bec6730ace8c0b47dff34780093ae1be4df32b9e
sha256 5a72716e6593eca7bbc49579a9e4185409fb1dc43b60ab00a9496cb59cce7739
sha512 dd34e92d5c78d8c44798570a6dab11d33df82d37d78de78d2af3f54f27d15dc6db70a2a08810f210ca373641f4f1dd616cc4bcf4e653e4a8d0b3f4ded1dbb3c0
ripemd-160 6dbd4375000c33072d4afd0418f2aa366a3c9504

21551828 as geometric shapes

Circle

Radius = n
Diameter 43103656
Circumference 135414129.03246
Area 1.4592110088387E+15

Sphere

Radius = n
Volume 4.1931552904264E+22
Surface area 5.8368440353548E+15
Circumference 135414129.03246

Square

Length = n
Perimeter 86207312
Area 464481290141584
Diagonal 30478887.451532

Cube

Length = n
Surface area 2786887740849504
Volume 1.001042087435E+22
Space diagonal 37328861.091986

Equilateral Triangle

Length = n
Perimeter 64655484
Area 2.0112629842259E+14
Altitude 18664430.545993

Triangular Pyramid

Length = n
Surface area 2.0112629842259E+14
Volume 1.1797394137973E+21
Height 10159629.150511