21097929 is an odd 8-digits composite number following 21097928
and preceding 21097930 . In scientific notation, it is written as 2.1097929 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 14019440 positive integers (up to 21097929) that are relatively prime to 21097929.
21097929 has 8 divisors, whose sum is 28222272
The reverse of 21097929 is 92979012
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million ninety-seven thousand nine hundred twenty-nine
Scientific notation
2.1097929 × 10^7
Engineering notation
2.1097929 × 10^6
Prime Factorization
3 × 311 × 22613
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21097929
Product of the distinct prime numbers
The prime factorization of 21097929 is 3 × 311 × 22613.
Since it has a total of 3 prime factors.
9 , 3 , 16 , 23 , 317 , 522 , 6908 , 3345 , 21215 , 64150 , 615436 , 947402 , 5667883 , 2201188 , 52460993 , 22405459 , 49726314 , 262701583 , 4850662629 , 1761913877
n×2
42195858
n×3
63293787
n×4
84391716
n×5
105489645
n÷2
10548964.5
n÷3
7032643
n÷3
5274482.25
n÷5
4219585.8
n2
445122608089041
n3
9.3911651817574E+21
n4
1.9813413623199E+29
n5
4.1802199386989E+36
2 √n
4593.2481970823
3 √n
276.32060779186
4 √n
67.773506601638
5 √n
29.164058807804
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
-21097928
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 21097929 can be divided by 8 positive divisors.
The sum of these divisors (counting 21097929) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011110110111001001
3
Ternary
1110200212220210
4
Quaternary
1100132313021
5
Quinary
20400113204
6
Senary
2032111333
8
Octal
120366711
10
Decimal
21097929
12
Duodecimal
7095549
16
Hexadecimal
141edc9
20
Vigesimal
6bh4g9
36
Base36
ck79l
md5
c2ff0d6aedbc195eb7c8609629011b57
sha1
89ef2101d51b14153cbc3abb0917607d4e15bde1
sha256
34d745c9528e71b4ddeaae53d644fc36799ea7fbe4ba2e72bc23e89630ea0402
sha512
2d7c7f7c3688f7d045434a25f1019a3045bd8de44dbb2faca37f414919b2a4e62226677ee764dbc8b150b1f2cff288c481716d9256f5ae7d517b705538756556
ripemd-160
85091fdba4d23b6e9a3bccee6a88de6d7a1a94cb
Diameter
42195858
Circumference
132562197.50472
Area
1.3983939155193E+15
Volume
3.9337620724876E+22
Surface area
5.593575662077E+15
Circumference
132562197.50472
Perimeter
84391716
Area
445122608089041
Diagonal
29836977.329785
Surface area
2670735648534246
Volume
9.3911651817574E+21
Space diagonal
36542684.962481
Perimeter
63293787
Area
1.9274374320195E+14
Altitude
18271342.48124
Surface area
1.9274374320195E+14
Volume
1.1067594305439E+21
Height
9945659.1099282