21038087 is an odd 8-digits composite number following 21038086
and preceding 21038088 . In scientific notation, it is written as 2.1038087 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 17829504 positive integers (up to 21038087) that are relatively prime to 21038087.
21038087 has 8 divisors, whose sum is 24314400
The reverse of 21038087 is 78083012
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million thirty-eight thousand eighty-seven
Scientific notation
2.1038087 × 10^7
Engineering notation
2.1038087 × 10^6
Prime Factorization
7 × 89 × 33769
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21038087
Product of the distinct prime numbers
The prime factorization of 21038087 is 7 × 89 × 33769.
Since it has a total of 3 prime factors.
5 , 3 , 43 , 9 , 702 , 509 , 8982 , 9631 , 21621 , 2986 , 249271 , 671 , 5856809 , 6551964 , 35353418 , 40237077 , 239324043 , 785965513 , 4467389151 , 3160868042
n×2
42076174
n×3
63114261
n×4
84152348
n×5
105190435
n÷2
10519043.5
n÷3
7012695.6666667
n÷3
5259521.75
n÷5
4207617.4
n2
442601104619569
n3
9.3114805452826E+21
n4
1.9589573781046E+29
n5
4.1212715749857E+36
2 √n
4586.7294448223
3 √n
276.0591091982
4 √n
67.725397339715
5 √n
29.147495864089
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
-21038086
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 21038087 can be divided by 8 positive divisors.
The sum of these divisors (counting 21038087) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000010000010000000111
3
Ternary
1110120211211102
4
Quaternary
1100100100013
5
Quinary
20341204322
6
Senary
2030530315
8
Octal
120202007
10
Decimal
21038087
12
Duodecimal
706699b
16
Hexadecimal
1410407
20
Vigesimal
6b9f47
36
Base36
cix3b
md5
3d3da2da67fe48064c26774a63e7bb84
sha1
89a0596e0684b27af16e47f0c8985d05f5ea96d1
sha256
37c70ddedc66b6af1281ed0eea0c5881b150ec91c02e1958841af0a7797a7363
sha512
5f5c95e94ea567c41b1edfaf73a83369fb221a7ddc77d1e0ed820d25b35e444c464f7fa109c46eb32a5394c43c3d65e3d4a3161649c2dba5161de198ef43f50f
ripemd-160
07b4f742b966818395fd2fce7f52949a002a321d
Diameter
42076174
Circumference
132186199.12957
Area
1.3904723787436E+15
Volume
3.9003838500139E+22
Surface area
5.5618895149743E+15
Circumference
132186199.12957
Perimeter
84152348
Area
442601104619569
Diagonal
29752347.961785
Surface area
2655606627717414
Volume
9.3114805452826E+21
Space diagonal
36439035.578054
Perimeter
63114261
Area
1.916519001718E+14
Altitude
18219517.789027
Surface area
1.916519001718E+14
Volume
1.097368506076E+21
Height
9917449.320595