21493527 is an odd 8-digits composite number following 21493526
and preceding 21493528 . In scientific notation, it is written as 2.1493527 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 12981920 positive integers (up to 21493527) that are relatively prime to 21493527.
21493527 has 16 divisors, whose sum is 31370112
The reverse of 21493527 is 72539412
Previous prime number is 347
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million four hundred ninety-three thousand five hundred twenty-seven
Scientific notation
2.1493527 × 10^7
Engineering notation
2.1493527 × 10^6
Prime Factorization
3 × 11 × 347 × 1877
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21493527
Product of the distinct prime numbers
The prime factorization of 21493527 is 3 × 11 × 347 × 1877.
Since it has a total of 4 prime factors.
3 , 8 , 56 , 5 , 590 , 619 , 6503 , 7737 , 57009 , 53273 , 706537 , 180430 , 3160675 , 1942364 , 1904764 , 40534584 , 209442270 , 971982225 , 3163764349 , 6578289448
n×2
42987054
n×3
64480581
n×4
85974108
n×5
107467635
n÷2
10746763.5
n÷3
7164509
n÷3
5373381.75
n÷5
4298705.4
n2
461971702899729
n3
9.9294012695113E+21
n4
2.1341785428008E+29
n5
4.5871024132509E+36
2 √n
4636.1111936622
3 √n
278.03697988132
4 √n
68.088994658918
5 √n
29.272616120117
1 , 3 , 11 , 33 , 347 , 1041 , 1877 , 3817 , 5631 , 11451 , 20647 , 61941 , 651319 , 1953957 , 7164509 , 21493527
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
-21493526
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 21493527 can be divided by 16 positive divisors.
The sum of these divisors (counting 21493527) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111011100010111
3
Ternary
1111102222120120
4
Quaternary
1101333130113
5
Quinary
21000243102
6
Senary
2044403023
8
Octal
121773427
10
Decimal
21493527
12
Duodecimal
7246473
16
Hexadecimal
147f717
20
Vigesimal
6e6dg7
36
Base36
csoif
md5
82094928e0b8464dd90f03e5579a6152
sha1
fb0fbfd18c3b0c020a241f5612a89963499ad004
sha256
6172ee2ae1d9929cee40310a328e4d195f561563d72240256d7be9cd709945f3
sha512
7dd122d7199708473891d369959dbd2cb25809708d00d15ecafbec27b00fc39f817e448f7c297564c62bf461371462e6463947e230b4fc48e8b6962d235d2cfd
ripemd-160
5c1939e50f5e551872dd2ac9bf34b3032ff67bbe
Diameter
42987054
Circumference
135047813.04587
Area
1.4513269079962E+15
Volume
4.1592178777123E+22
Surface area
5.8053076319846E+15
Circumference
135047813.04587
Perimeter
85974108
Area
461971702899729
Diagonal
30396437.386632
Surface area
2771830217398374
Volume
9.9294012695113E+21
Space diagonal
37227880.797853
Perimeter
64480581
Area
2.0003961527036E+14
Altitude
18613940.398927
Surface area
2.0003961527036E+14
Volume
1.170191161799E+21
Height
10132145.795544