21039930 is an even 8-digits composite number following 21039929
and preceding 21039931 . In scientific notation, it is written as 2.1039930 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 5610624 positive integers (up to 21039930) that are relatively prime to 21039930.
21039930 has 8 divisors, whose sum is 32261364
The reverse of 21039930 is 03993012
Previous prime number is 45
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million thirty-nine thousand nine hundred thirty
Scientific notation
2.1039930 × 10^7
Engineering notation
2.1039930 × 10^6
Prime Factorization
2 × 45 × 233777
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21039930
Product of the distinct prime numbers
The prime factorization of 21039930 is 2 × 45 × 233777.
Since it has a total of 3 prime factors.
7 , 5 , 51 , 17 , 53 , 480 , 5383 , 5682 , 17947 , 21592 , 43097 , 74171 , 9717535 , 9117885 , 62660154 , 63494294 , 329482665 , 78487508 , 236855955 , 6437330118
n×2
42079860
n×3
63119790
n×4
84159720
n×5
105199650
n÷2
10519965
n÷3
7013310
n÷3
5259982.5
n÷5
4207986
n2
442678654404900
n3
9.3139279011733E+21
n4
1.9596439106573E+29
n5
4.1230770705156E+36
2 √n
4586.9303461029
3 √n
276.0671701669
4 √n
67.726880528361
5 √n
29.148006527939
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
-21039929
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 21039930 can be divided by 8 positive divisors.
The sum of these divisors (counting 21039930) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000010000101100111010
3
Ternary
1110120221100200
4
Quaternary
1100100230322
5
Quinary
20341234210
6
Senary
2030543030
8
Octal
120205472
10
Decimal
21039930
12
Duodecimal
7067a76
16
Hexadecimal
1410b3a
20
Vigesimal
6b9jga
36
Base36
ciyii
md5
5a412d8b582240d71003739d729c53fc
sha1
4395a24175b8096303bf34fb10aa96b470b9ea17
sha256
7671ac6973c2eca3e255cc91b9c816995bb900c59e70f900a4f9f165487bb079
sha512
8211ebc1a0c4406debe3153aac1919703ceb418d4a7c4b80902d4075bdd210dbc6ca8dc6204aa835cfc627d2fa74c6a4211308284622d3f41d7a03d9fc44a6ba
ripemd-160
b6306e779b2eaea79cc767573c2550b9f14752c2
Diameter
42079860
Circumference
132197779.04009
Area
1.3907160085794E+15
Volume
3.9014089960521E+22
Surface area
5.5628640343178E+15
Circumference
132197779.04009
Perimeter
84159720
Area
442678654404900
Diagonal
29754954.357381
Surface area
2656071926429400
Volume
9.3139279011733E+21
Space diagonal
36442227.747693
Perimeter
63119790
Area
1.9168548021388E+14
Altitude
18221113.873846
Surface area
1.9168548021388E+14
Volume
1.0976569297337E+21
Height
9918318.1191269