21489712 (number)

21489712 is an even 8-digits composite number following 21489711 and preceding 21489713. In scientific notation, it is written as 2.1489712 × 10^7. The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors. There are 10592960 positive integers (up to 21489712) that are relatively prime to 21489712.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred eighty-nine thousand seven hundred twelve

Notation

Scientific notation 2.1489712 × 10^7
Engineering notation 2.1489712 × 10^6

Prime Factorization of 21489712

Prime Factorization 2 × 2 × 2 × 2 × 71 × 18917

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2686214
Product of the distinct prime numbers

The prime factorization of 21489712 is 2 × 2 × 2 × 2 × 71 × 18917. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 4, 69, 90, 245, 162, 3731, 1254, 49520, 94167, 837966, 914468, 2051262, 8678073, 67837667, 25865237, 230588886, 622379065, 1794979005, 821615631

Basic calculations (n = 21489712)

Multiplication

n×y
n×2 42979424
n×3 64469136
n×4 85958848
n×5 107448560

Division

n÷y
n÷2 10744856
n÷3 7163237.3333333
n÷3 5372428
n÷5 4297942.4

Exponentiation

ny
n2 461807721842944
n3 9.924114941781E+21
n4 2.1326637195377E+29
n5 4.5830329125714E+36

Nth Root

y√n
2√n 4635.6997314321
3√n 278.02052882234
4√n 68.085973088678
5√n 29.271576895982

Divisors of 21489712

1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 18917, 37834, 75668, 151336, 302672, 1343107, 2686214, 5372428, 10744856, 21489712

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21489711
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21489712 can be divided by 20 positive divisors. The sum of these divisors (counting 21489712) is 1, the average is 0.05.

Base conversion 21489712

Base System Value
2 Binary 1010001111110100000110000
3 Ternary 1111102210100021
4 Quaternary 1101332200300
5 Quinary 21000132322
6 Senary 2044333224
8 Octal 121764060
10 Decimal 21489712
12 Duodecimal 7244214
16 Hexadecimal 147e830
20 Vigesimal 6e645c
36 Base36 cslkg

Cryptographic Hash Functions

md5 c7240adf3812c45550b33be8c22b549f
sha1 fcdfc9db779a98a554446782b8f2e65c0726dc0d
sha256 7c39afb07926e39c085d5c6fdd1dc5958377e18f9a3872a8728a8bdaaa89f9b4
sha512 71b3abb3322a13bae2bfc3b2023a2c44479f27a04a1e6458a6487fd6075688f3727c9ebca8cab5af63e439f7098b56011f25bddcf6ad47ffc30ca7cce1fa606e
ripemd-160 a0099781dfad589a7b2dc507acd2303f35a45e41

21489712 as geometric shapes

Circle

Radius = n
Diameter 42979424
Circumference 135023842.69392
Area 1.4508117463128E+15

Sphere

Radius = n
Volume 4.1570035459306E+22
Surface area 5.8032469852513E+15
Circumference 135023842.69392

Square

Length = n
Perimeter 85958848
Area 461807721842944
Diagonal 30391042.161892

Cube

Length = n
Surface area 2770846331057664
Volume 9.924114941781E+21
Space diagonal 37221273.024023

Equilateral Triangle

Length = n
Perimeter 64469136
Area 1.999686093899E+14
Altitude 18610636.512011

Triangular Pyramid

Length = n
Surface area 1.999686093899E+14
Volume 1.1695681621013E+21
Height 10130347.387297