21988788 (number)

21988788 is an even 8-digits composite number following 21988787 and preceding 21988789. In scientific notation, it is written as 2.1988788 × 10^7. The sum of its digits is 51. It has a total of 5 prime factors and 24 positive divisors. There are 7261920 positive integers (up to 21988788) that are relatively prime to 21988788.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1988788 × 10^7
Engineering notation 2.1988788 × 10^6

Prime Factorization of 21988788

Prime Factorization 2 × 2 × 3 × 109 × 16811

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10994394
Product of the distinct prime numbers

The prime factorization of 21988788 is 2 × 2 × 3 × 109 × 16811. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 10, 50, 98, 771, 658, 3539, 7864, 25298, 92697, 153621, 304960, 2347361, 5721127, 1559663, 34228953, 714176, 417026320, 3470999723, 2430587097

Basic calculations (n = 21988788)

Multiplication

n×y
n×2 43977576
n×3 65966364
n×4 87955152
n×5 109943940

Division

n÷y
n÷2 10994394
n÷3 7329596
n÷3 5497197
n÷5 4397757.6

Exponentiation

ny
n2 483506797708944
n3 1.0631728471381E+22
n4 2.3377882343076E+29
n5 5.1405129873084E+36

Nth Root

y√n
2√n 4689.220404289
3√n 280.15632427239
4√n 68.477882592038
5√n 29.406291528253

Divisors of 21988788

1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 1308, 16811, 33622, 50433, 67244, 100866, 201732, 1832399, 3664798, 5497197, 7329596, 10994394, 21988788

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 -21988787
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 21988788 can be divided by 24 positive divisors. The sum of these divisors (counting 21988788) is 1, the average is 0.041666666666667.

Base conversion 21988788

Base System Value
2 Binary 1010011111000010110110100
3 Ternary 1112101010221120
4 Quaternary 1103320112310
5 Quinary 21112120123
6 Senary 2103143540
8 Octal 123702664
10 Decimal 21988788
12 Duodecimal 7444bb0
16 Hexadecimal 14f85b4
20 Vigesimal 6h8bj8
36 Base36 d3ano

Cryptographic Hash Functions

md5 5f91b0a19dd52278bc53f514ad0f2db9
sha1 9612d521a704cdb10ff46e4f5e401a0917ddaa0d
sha256 b94fd3ca39703ad16d2a26983339167ecad944f5d0c18f9b874b7563e5a4afb7
sha512 30979e6df93550786d238e667719305b1939c667a59f3b3e1ebc8f4aa505030fb54ad7940306a7796a456a738ee39944f41240703c53ef7820a0981681f2579f
ripemd-160 aeb450e9edd32af213144afd8cffa22319ac5c12

21988788 as geometric shapes

Circle

Radius = n
Diameter 43977576
Circumference 138159629.68429
Area 1.5189814036431E+15

Sphere

Radius = n
Volume 4.4534080080869E+22
Surface area 6.0759256145726E+15
Circumference 138159629.68429

Square

Length = n
Perimeter 87955152
Area 483506797708944
Diagonal 31096842.209747

Cube

Length = n
Surface area 2901040786253664
Volume 1.0631728471381E+22
Space diagonal 38085698.012861

Equilateral Triangle

Length = n
Perimeter 65966364
Area 2.093645848592E+14
Altitude 19042849.00643

Triangular Pyramid

Length = n
Surface area 2.093645848592E+14
Volume 1.2529612163079E+21
Height 10365614.069916