21127938 is an even 8-digits composite number following 21127937
and preceding 21127939 . In scientific notation, it is written as 2.1127938 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 6217728 positive integers (up to 21127938) that are relatively prime to 21127938.
21127938 has 16 divisors, whose sum is 33920640
The reverse of 21127938 is 83972112
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million one hundred twenty-seven thousand nine hundred thirty-eight
Scientific notation
2.1127938 × 10^7
Engineering notation
2.1127938 × 10^6
Prime Factorization
2 × 39 × 23 × 11777
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21127938
Product of the distinct prime numbers
The prime factorization of 21127938 is 2 × 39 × 23 × 11777.
Since it has a total of 4 prime factors.
7 , 6 , 49 , 67 , 275 , 506 , 8293 , 4195 , 36570 , 56769 , 710191 , 6308 , 5429132 , 2207024 , 70485389 , 58557611 , 778707810 , 176177123 , 5394801638 , 7244170539
n×2
42255876
n×3
63383814
n×4
84511752
n×5
105639690
n÷2
10563969
n÷3
7042646
n÷3
5281984.5
n÷5
4225587.6
n2
446389764131844
n3
9.4312952604122E+21
n4
1.9926382152168E+29
n5
4.2100336667532E+36
2 √n
4596.5136788658
3 √n
276.45155550637
4 √n
67.79759345925
5 √n
29.172350491144
1 , 2 , 23 , 39 , 46 , 78 , 897 , 1794 , 11777 , 23554 , 270871 , 459303 , 541742 , 918606 , 10563969 , 21127938
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
-21127937
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 21127938 can be divided by 16 positive divisors.
The sum of these divisors (counting 21127938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100110001100000010
3
Ternary
1110202102002020
4
Quaternary
1100212030002
5
Quinary
20402043223
6
Senary
2032502310
8
Octal
120461402
10
Decimal
21127938
12
Duodecimal
70aa996
16
Hexadecimal
1426302
20
Vigesimal
6c0jgi
36
Base36
ckuf6
md5
fde90a240bc2d32c5246c7dcfd7e383d
sha1
1a9f010f4d1d6e344020782510e056043df0cd7f
sha256
849473944c6a55c1fa3861d502c52dbbf0ce8ae17f03caa48ae3b3181f3d8517
sha512
605323a194519465b5e8316d019dcd55fe9d2550017dcb8678ae92161c633d964877d9401111348a318ccaf8f4b9e352484d4354042bcf71fed9dd2cd9ca1423
ripemd-160
349b4edc9f56dd07d1e6b4fe179f5c5432016ab8
Diameter
42255876
Circumference
132750749.6126
Area
1.4023748036343E+15
Volume
3.9505717205263E+22
Surface area
5.6094992145371E+15
Circumference
132750749.6126
Perimeter
84511752
Area
446389764131844
Diagonal
29879416.464578
Surface area
2678338584791064
Volume
9.4312952604122E+21
Space diagonal
36594662.075165
Perimeter
63383814
Area
1.9329243786376E+14
Altitude
18297331.037583
Surface area
1.9329243786376E+14
Volume
1.1114888056683E+21
Height
9959805.4881926