21056979 is an odd 8-digits composite number following 21056978
and preceding 21056980 . In scientific notation, it is written as 2.1056979 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 14023296 positive integers (up to 21056979) that are relatively prime to 21056979.
21056979 has 8 divisors, whose sum is 28105360
The reverse of 21056979 is 97965012
Previous prime number is 1129
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million fifty-six thousand nine hundred seventy-nine
Scientific notation
2.1056979 × 10^7
Engineering notation
2.1056979 × 10^6
Prime Factorization
3 × 1129 × 6217
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21056979
Product of the distinct prime numbers
The prime factorization of 21056979 is 3 × 1129 × 6217.
Since it has a total of 3 prime factors.
8 , 8 , 46 , 29 , 210 , 239 , 6296 , 8309 , 59572 , 26157 , 893065 , 423451 , 5477733 , 7691762 , 39469817 , 95792347 , 935269941 , 944663111 , 7877221641 , 494790337
n×2
42113958
n×3
63170937
n×4
84227916
n×5
105284895
n÷2
10528489.5
n÷3
7018993
n÷3
5264244.75
n÷5
4211395.8
n2
443396364606441
n3
9.3365879381942E+21
n4
1.9660033614621E+29
n5
4.1398091496236E+36
2 √n
4588.788402182
3 √n
276.14171728531
4 √n
67.740596411472
5 √n
29.152728819018
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21056978
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21056979 can be divided by 8 positive divisors.
The sum of these divisors (counting 21056979) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000010100110111010011
3
Ternary
1110121210202010
4
Quaternary
1100110313103
5
Quinary
20342310404
6
Senary
2031154003
8
Octal
120246723
10
Decimal
21056979
12
Duodecimal
7075903
16
Hexadecimal
1414dd3
20
Vigesimal
6bc28j
36
Base36
cjbo3
md5
60b0786e382d54abf38bb0e048d2a620
sha1
39a551c7d4210611c209b3044ed76ba7da55ea33
sha256
5df62ec1ce1ae5f3d14fa796973ec8d6180307359433f4de605bba1fb85b2549
sha512
b5cf10b218a9e73e991bd7b6065c82f3f5af3c7f35bd047b35834ba8a473f7e231236f3b04ed4fca918f6b62376284a227d3ba96083553269f11fcb5623408f4
ripemd-160
911fbdb784b6f56c674f0de11a8d8ee959cc5e55
Diameter
42113958
Circumference
132304901.06639
Area
1.392970761676E+15
Volume
3.9109008101635E+22
Surface area
5.5718830467041E+15
Circumference
132304901.06639
Perimeter
84227916
Area
443396364606441
Diagonal
29779065.284405
Surface area
2660378187638646
Volume
9.3365879381942E+21
Space diagonal
36471757.481911
Perimeter
63170937
Area
1.9199625784742E+14
Altitude
18235878.740955
Surface area
1.9199625784742E+14
Volume
1.1003274407069E+21
Height
9926355.0948018