21032979 is an odd 8-digits composite number following 21032978
and preceding 21032980 . In scientific notation, it is written as 2.1032979 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 12571200 positive integers (up to 21032979) that are relatively prime to 21032979.
21032979 has 16 divisors, whose sum is 31016064
The reverse of 21032979 is 97923012
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million thirty-two thousand nine hundred seventy-nine
Scientific notation
2.1032979 × 10^7
Engineering notation
2.1032979 × 10^6
Prime Factorization
3 × 73 × 11 × 8731
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21032979
Product of the distinct prime numbers
The prime factorization of 21032979 is 3 × 73 × 11 × 8731.
Since it has a total of 4 prime factors.
9 , 3 , 65 , 53 , 954 , 507 , 3310 , 7255 , 9273 , 83023 , 174200 , 177534 , 6907711 , 2221362 , 82174441 , 67155652 , 442526190 , 303764226 , 6000129201 , 1498485480
n×2
42065958
n×3
63098937
n×4
84131916
n×5
105164895
n÷2
10516489.5
n÷3
7010993
n÷3
5258244.75
n÷5
4206595.8
n2
442386205614441
n3
9.3046997725782E+21
n4
1.9570555491794E+29
n5
4.1162708267724E+36
2 √n
4586.1725872453
3 √n
276.03676521371
4 √n
67.721286071997
5 √n
29.146080337377
1 , 3 , 11 , 33 , 73 , 219 , 803 , 2409 , 8731 , 26193 , 96041 , 288123 , 637363 , 1912089 , 7010993 , 21032979
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
-21032978
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 21032979 can be divided by 16 positive divisors.
The sum of these divisors (counting 21032979) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001111000000010011
3
Ternary
1110120120211020
4
Quaternary
1100033000103
5
Quinary
20341023404
6
Senary
2030450523
8
Octal
120170023
10
Decimal
21032979
12
Duodecimal
7063a43
16
Hexadecimal
140f013
20
Vigesimal
6b928j
36
Base36
cit5f
md5
f98cb40ed42583c52d590d4df54ecbfc
sha1
52da8b972affaff08123f088a6b4178a30e85395
sha256
f12038165ef5e8763d9d2a4cee91c53b28e8ff788848df7ee371144af7c9558f
sha512
caa3d0415889aac78fe27084f0e30af2335f28b3f675115babbea0c17ec107e031bb0d1127c347574330d54ef962b0c2c8591da36059809f158f0612ae8767e7
ripemd-160
e1beb8228be45e9e284959664cad6bb7a008f562
Diameter
42065958
Circumference
132154104.61902
Area
1.3897972536078E+15
Volume
3.8975435265854E+22
Surface area
5.5591890144312E+15
Circumference
132154104.61902
Perimeter
84131916
Area
442386205614441
Diagonal
29745124.158909
Surface area
2654317233686646
Volume
9.3046997725782E+21
Space diagonal
36430188.262529
Perimeter
63098937
Area
1.9155884617296E+14
Altitude
18215094.131265
Surface area
1.9155884617296E+14
Volume
1.0965693843492E+21
Height
9915041.3863028