21039974 is an even 8-digits composite number following 21039973
and preceding 21039975 . In scientific notation, it is written as 2.1039974 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 10512936 positive integers (up to 21039974) that are relatively prime to 21039974.
21039974 has 8 divisors, whose sum is 31581120
The reverse of 21039974 is 47993012
Previous prime number is 2143
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million thirty-nine thousand nine hundred seventy-four
Scientific notation
2.1039974 × 10^7
Engineering notation
2.1039974 × 10^6
Prime Factorization
2 × 2143 × 4909
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21039974
Product of the distinct prime numbers
The prime factorization of 21039974 is 2 × 2143 × 4909.
Since it has a total of 3 prime factors.
4 , 6 , 7 , 56 , 24 , 282 , 4169 , 1460 , 38229 , 69577 , 291535 , 979160 , 3691 , 981042 , 80179260 , 73398124 , 325489775 , 145746484 , 8845696541 , 8752852475
n×2
42079948
n×3
63119922
n×4
84159896
n×5
105199870
n÷2
10519987
n÷3
7013324.6666667
n÷3
5259993.5
n÷5
4207994.8
n2
442680505920676
n3
9.3139863348779E+21
n4
1.9596603032219E+29
n5
4.123120182862E+36
2 √n
4586.9351423363
3 √n
276.06736260966
4 √n
67.726915936992
5 √n
29.148018719151
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
-21039973
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 21039974 can be divided by 8 positive divisors.
The sum of these divisors (counting 21039974) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000010000101101100110
3
Ternary
1110120221102022
4
Quaternary
1100100231212
5
Quinary
20341234344
6
Senary
2030543142
8
Octal
120205546
10
Decimal
21039974
12
Duodecimal
7067ab2
16
Hexadecimal
1410b66
20
Vigesimal
6b9jie
36
Base36
ciyjq
md5
dea47cd0a6b2d5b02bb3dbb648364ae0
sha1
a8cbb4d00871a1ed9d28bdb869d608c9bebf4723
sha256
1aaa45696a822db4fc83f69c9698497e6d314832b4a2198d40004f4f7fd9943a
sha512
473e2a1f24516a020935a18144f36445fb15795f74f9594caf113ec1f586a3f1124bba3f2598fd351066f246cc41a3fd0854cc9a9dcfa51681f78e3ca2ac1849
ripemd-160
ced6b9b9e56d331d72d3e93e33160d0e1dd32f31
Diameter
42079948
Circumference
132198055.50024
Area
1.3907218252878E+15
Volume
3.9014334727051E+22
Surface area
5.5628873011512E+15
Circumference
132198055.50024
Perimeter
84159896
Area
442680505920676
Diagonal
29755016.582777
Surface area
2656083035524056
Volume
9.3139863348779E+21
Space diagonal
36442303.957928
Perimeter
63119922
Area
1.9168628194373E+14
Altitude
18221151.978964
Surface area
1.9168628194373E+14
Volume
1.0976638162118E+21
Height
9918338.8609258