21107988 (number)

21107988 is an even 8-digits composite number following 21107987 and preceding 21107989. In scientific notation, it is written as 2.1107988 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 72 positive divisors. There are 6336000 positive integers (up to 21107988) that are relatively prime to 21107988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1107988 × 10^7
Engineering notation 2.1107988 × 10^6

Prime Factorization of 21107988

Prime Factorization 2 × 2 × 3 × 3 × 151 × 11 × 353

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 3517998
Product of the distinct prime numbers

The prime factorization of 21107988 is 2 × 2 × 3 × 3 × 151 × 11 × 353. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21107988)

Multiplication

n×y
n×2 42215976
n×3 63323964
n×4 84431952
n×5 105539940

Division

n÷y
n÷2 10553994
n÷3 7035996
n÷3 5276997
n÷5 4221597.6

Exponentiation

ny
n2 445547157408144
n3 9.4046040520052E+21
n4 1.9851226947448E+29
n5 4.19019460192E+36

Nth Root

y√n
2√n 4594.3430433523
3√n 276.36451521955
4√n 67.781583364158
5√n 29.166839226075

Divisors of 21107988

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21107987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21107988 can be divided by 72 positive divisors. The sum of these divisors (counting 21107988) is 1, the average is 0.013888888888889.

Base conversion 21107988

Base System Value
2 Binary 1010000100001010100010100
3 Ternary 1110201101201100
4 Quaternary 1100201110110
5 Quinary 20400423423
6 Senary 2032230100
8 Octal 120412424
10 Decimal 21107988
12 Duodecimal 709b330
16 Hexadecimal 1421514
20 Vigesimal 6bi9j8
36 Base36 ckf10

Cryptographic Hash Functions

md5 45ebe91c6d9071db402b87bf885f34a3
sha1 c93334b2fec3bfbdec5dfcccae0cb7914a2ea6c2
sha256 4db31eb444e2a4b17e201930c2e65601919809a4ba47da1a12717e07b4ef01e4
sha512 4f9c25cebcdf41ebe1ece69c8799dc7af81a883d928fbc1403d85398ca8dcb297bb519f2f81d84b564ba81d7d9bdf4008e3f619ce0d1305b4f422c593d09cbff
ripemd-160 f1b59725fa57713cb1b131dbdcac064511a0ce25

21107988 as geometric shapes

Circle

Radius = n
Diameter 42215976
Circumference 132625400.06572
Area 1.3997276765412E+15

Sphere

Radius = n
Volume 3.9393913332934E+22
Surface area 5.598910706165E+15
Circumference 132625400.06572

Square

Length = n
Perimeter 84431952
Area 445547157408144
Diagonal 29851202.904009

Cube

Length = n
Surface area 2673282944448864
Volume 9.4046040520052E+21
Space diagonal 36560107.661554

Equilateral Triangle

Length = n
Perimeter 63323964
Area 1.929275784497E+14
Altitude 18280053.830777

Triangular Pyramid

Length = n
Surface area 1.929275784497E+14
Volume 1.1083432165912E+21
Height 9950400.9680028