21709984 is an even 8-digits composite number following 21709983
and preceding 21709985 . In scientific notation, it is written as 2.1709984 × 10^7.
The sum of its digits is 40. It has a total of 6 prime factors and 12 positive divisors.
There are 10854976 positive integers (up to 21709984) that are relatively prime to 21709984.
21709984 has 12 divisors, whose sum is 42741594
The reverse of 21709984 is 48990712
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million seven hundred nine thousand nine hundred eighty-four
Scientific notation
2.1709984 × 10^7
Engineering notation
2.1709984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 678437
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1356874
Product of the distinct prime numbers
The prime factorization of 21709984 is 2 × 2 × 2 × 2 × 2 × 678437.
Since it has a total of 6 prime factors.
9 , 10 , 60 , 11 , 938 , 461 , 9459 , 626 , 14779 , 54066 , 751023 , 120688 , 8916397 , 6160340 , 58731463 , 7685502 , 805187045 , 263781797 , 2583102996 , 5131317939
n×2
43419968
n×3
65129952
n×4
86839936
n×5
108549920
n÷2
10854992
n÷3
7236661.3333333
n÷3
5427496
n÷5
4341996.8
n2
471323405280256
n3
1.023242358746E+22
n4
2.2214575236498E+29
n5
4.8227807295116E+36
2 √n
4659.3973859288
3 √n
278.96721565078
4 √n
68.259778683561
5 √n
29.331339765868
1 , 2 , 4 , 8 , 16 , 32 , 678437 , 1356874 , 2713748 , 5427496 , 10854992 , 21709984
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
-21709983
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 21709984 can be divided by 12 positive divisors.
The sum of these divisors (counting 21709984) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010110100010010100000
3
Ternary
1111211222111111
4
Quaternary
1102310102200
5
Quinary
21024204414
6
Senary
2053153104
8
Octal
122642240
10
Decimal
21709984
12
Duodecimal
732b794
16
Hexadecimal
14b44a0
20
Vigesimal
6fdej4
36
Base36
cxbj4
md5
e6b694b9375b54a1b7492f9f97e61628
sha1
b93f04a2053a0da027dd95ac72497909d4a374b2
sha256
c6ce672bb4d0a928b41302f9a1a1026315a2fb015e9839983b818ccd3bba289d
sha512
f9792543331b10c2b152d562c429761084e2fa7250b41cd9b237cd2cee11d6764fa74f6a306f10189d3c7c2c194a2229cf419977b971bec5cca048562630f51a
ripemd-160
945f4fd7eaec87ea804944ea9b2c707aa4f54db3
Diameter
43419968
Circumference
136407852.4879
Area
1.4807061474934E+15
Volume
4.2861475694377E+22
Surface area
5.9228245899735E+15
Circumference
136407852.4879
Perimeter
86839936
Area
471323405280256
Diagonal
30702553.811703
Surface area
2827940431681536
Volume
1.023242358746E+22
Space diagonal
37602795.319507
Perimeter
65129952
Area
2.0408902118545E+14
Altitude
18801397.659754
Surface area
2.0408902118545E+14
Volume
1.2059026844443E+21
Height
10234184.603901