21695730 is an even 8-digits composite number following 21695729
and preceding 21695731 . In scientific notation, it is written as 2.1695730 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 4958688 positive integers (up to 21695730) that are relatively prime to 21695730.
21695730 has 16 divisors, whose sum is 39320640
The reverse of 21695730 is 03759612
Previous prime number is 147
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million six hundred ninety-five thousand seven hundred thirty
Scientific notation
2.1695730 × 10^7
Engineering notation
2.1695730 × 10^6
Prime Factorization
2 × 5 × 147 × 14759
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21695730
Product of the distinct prime numbers
The prime factorization of 21695730 is 2 × 5 × 147 × 14759.
Since it has a total of 4 prime factors.
1 , 7 , 35 , 90 , 898 , 850 , 9237 , 4826 , 5919 , 75984 , 816261 , 603257 , 6249516 , 6379921 , 59003529 , 38090705 , 259508982 , 592954587 , 1646252382 , 4471276080
n×2
43391460
n×3
65087190
n×4
86782920
n×5
108478650
n÷2
10847865
n÷3
7231910
n÷3
5423932.5
n÷5
4339146
n2
470704700232900
n3
1.0212282085984E+22
n4
2.2156291482134E+29
n5
4.8069691779769E+36
2 √n
4657.8675378332
3 √n
278.90614898112
4 √n
68.248571690792
5 √n
29.327487171954
1 , 2 , 5 , 10 , 147 , 294 , 735 , 1470 , 14759 , 29518 , 73795 , 147590 , 2169573 , 4339146 , 10847865 , 21695730
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21695729
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21695730 can be divided by 16 positive divisors.
The sum of these divisors (counting 21695730) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010110000110011110010
3
Ternary
1111211020221120
4
Quaternary
1102300303302
5
Quinary
21023230410
6
Senary
2053003110
8
Octal
122606362
10
Decimal
21695730
12
Duodecimal
7323496
16
Hexadecimal
14b0cf2
20
Vigesimal
6fbj6a
36
Base36
cx0j6
md5
031974cdd40b1947d61e06b3fba21b92
sha1
e7c67e20beeefa41f188be6cb15a7b5cc4b4e0f4
sha256
baf0c627d27174d88b7cabf832af05855ec0655216f319a11826072d0ec94e35
sha512
805e2ae5287da39ecce9d5d9d2c3d9c3fc3f35afec422bd07661d8cdd97b051d3554301ce8787adb6d6af41539164af518423a2ba6772da463884ec56cdc7da2
ripemd-160
8327f17503015260fa3b6f87342ff5e7d062c571
Diameter
43391460
Circumference
136318291.96454
Area
1.4787624282619E+15
Volume
4.2777107170285E+22
Surface area
5.9150497130475E+15
Circumference
136318291.96454
Perimeter
86782920
Area
470704700232900
Diagonal
30682395.611585
Surface area
2824228201397400
Volume
1.0212282085984E+22
Space diagonal
37578106.667296
Perimeter
65087190
Area
2.0382111404122E+14
Altitude
18789053.333648
Surface area
2.0382111404122E+14
Volume
1.2035289857315E+21
Height
10227465.203862