21088031 is an odd 8-digits composite number following 21088030
and preceding 21088032 . In scientific notation, it is written as 2.1088031 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 21075432 positive integers (up to 21088031) that are relatively prime to 21088031.
21088031 has 4 divisors, whose sum is 21100632
The reverse of 21088031 is 13088012
Previous prime number is 1987
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million eighty-eight thousand thirty-one
Scientific notation
2.1088031 × 10^7
Engineering notation
2.1088031 × 10^6
Prime Factorization
1987 × 10613
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21088031
Product of the distinct prime numbers
The prime factorization of 21088031 is 1987 × 10613.
Since it has a total of 2 prime factors.
3 , 5 , 29 , 80 , 353 , 376 , 9992 , 8254 , 89738 , 72606 , 900775 , 924429 , 2370587 , 329682 , 96173177 , 19298659 , 314539235 , 995205715 , 8083297898 , 9951909493
n×2
42176062
n×3
63264093
n×4
84352124
n×5
105440155
n÷2
10544015.5
n÷3
7029343.6666667
n÷3
5272007.75
n÷5
4217606.2
n2
444705051456961
n3
9.377953910981E+21
n4
1.9776258279134E+29
n5
4.1704234765438E+36
2 √n
4592.1706196525
3 √n
276.2773895026
4 √n
67.765556292652
5 √n
29.161321856325
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21088030
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21088031 can be divided by 4 positive divisors.
The sum of these divisors (counting 21088031) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011100011100011111
3
Ternary
1110200101100012
4
Quaternary
1100130130133
5
Quinary
20344304111
6
Senary
2031553435
8
Octal
120343437
10
Decimal
21088031
12
Duodecimal
708b87b
16
Hexadecimal
141c71f
20
Vigesimal
6bg01b
36
Base36
cjzmn
md5
27b5b5ddd8b61069fe87545acb3ee3fa
sha1
ee6a40d31259eaeebce34f795ebcfc9b269dac55
sha256
23499d6d17d93981a0eeda20ba9f6fe91a8f581031f838bf8a0efe0998dbb24c
sha512
2b9be621215cc7eff172a89f75aa7c021c30cbef62ba7e66e8b6c9451a0300744dc064961a6f144217cf5cfa295cc39649e7d6ab7e54592c42e2f333cf638480
ripemd-160
92a9cac0a7006fbcd241ef3434b9d7b805057de9
Diameter
42176062
Circumference
132500006.53655
Area
1.3970821226715E+15
Volume
3.9282281483255E+22
Surface area
5.5883284906858E+15
Circumference
132500006.53655
Perimeter
84352124
Area
444705051456961
Diagonal
29822979.443944
Surface area
2668230308741766
Volume
9.377953910981E+21
Space diagonal
36525541.123588
Perimeter
63264093
Area
1.925629358765E+14
Altitude
18262770.561794
Surface area
1.925629358765E+14
Volume
1.1052024673516E+21
Height
9940993.1479814