21039931 is an odd 8-digits composite number following 21039930
and preceding 21039932 . In scientific notation, it is written as 2.1039931 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 17687680 positive integers (up to 21039931) that are relatively prime to 21039931.
21039931 has 16 divisors, whose sum is 24727680
The reverse of 21039931 is 13993012
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million thirty-nine thousand nine hundred thirty-one
Scientific notation
2.1039931 × 10^7
Engineering notation
2.1039931 × 10^6
Prime Factorization
11 × 17 × 59 × 1907
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21039931
Product of the distinct prime numbers
The prime factorization of 21039931 is 11 × 17 × 59 × 1907.
Since it has a total of 4 prime factors.
3 , 9 , 80 , 47 , 345 , 367 , 355 , 4728 , 95753 , 79924 , 576779 , 253908 , 3828126 , 87984 , 12660776 , 8338984 , 841445759 , 916840379 , 1316698556 , 1591735017
n×2
42079862
n×3
63119793
n×4
84159724
n×5
105199655
n÷2
10519965.5
n÷3
7013310.3333333
n÷3
5259982.75
n÷5
4207986.2
n2
442678696484761
n3
9.3139292292093E+21
n4
1.9596442832145E+29
n5
4.1230780503377E+36
2 √n
4586.9304551083
3 √n
276.0671745406
4 √n
67.726881333104
5 √n
29.148006805013
1 , 11 , 17 , 59 , 187 , 649 , 1003 , 1907 , 11033 , 20977 , 32419 , 112513 , 356609 , 1237643 , 1912721 , 21039931
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
-21039930
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 21039931 can be divided by 16 positive divisors.
The sum of these divisors (counting 21039931) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010000101100111011
3
Ternary
1110120221100201
4
Quaternary
1100100230323
5
Quinary
20341234211
6
Senary
2030543031
8
Octal
120205473
10
Decimal
21039931
12
Duodecimal
7067a77
16
Hexadecimal
1410b3b
20
Vigesimal
6b9jgb
36
Base36
ciyij
md5
c6fea40505ef284a59a5a0eb4066685a
sha1
c3b83e1424cdaaa562c3e67316a5fef401cd7e87
sha256
a714e4b9214b659d4b20c7236706070cdbc1556dbde2c5a2b226c66471062a14
sha512
2be2a6d77d268e63475c2653a2f57730b22c94b7465a4981a97f35f556cb32a82096032afa6dd0ffcb73e3c82811f5b2b3ce9f523485ea0cceb929a0f408c32c
ripemd-160
edd6da2449d2dc129745ebf8ddd35f4bab4a22e9
Diameter
42079862
Circumference
132197785.32327
Area
1.3907161407772E+15
Volume
3.9014095523386E+22
Surface area
5.5628645631089E+15
Circumference
132197785.32327
Perimeter
84159724
Area
442678696484761
Diagonal
29754955.771594
Surface area
2656072178908566
Volume
9.3139292292093E+21
Space diagonal
36442229.479743
Perimeter
63119793
Area
1.9168549843499E+14
Altitude
18221114.739872
Surface area
1.9168549843499E+14
Volume
1.0976570862443E+21
Height
9918318.5905314