21494025 is an odd 8-digits composite number following 21494024
and preceding 21494026 . In scientific notation, it is written as 2.1494025 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 9823680 positive integers (up to 21494025) that are relatively prime to 21494025.
21494025 has 12 divisors, whose sum is 26799500
The reverse of 21494025 is 52049412
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million four hundred ninety-four thousand twenty-five
Scientific notation
2.1494025 × 10^7
Engineering notation
2.1494025 × 10^6
Prime Factorization
189 × 5 × 5 × 4549
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4298805
Product of the distinct prime numbers
The prime factorization of 21494025 is 189 × 5 × 5 × 4549.
Since it has a total of 4 prime factors.
9 , 1 , 4 , 89 , 258 , 88 , 4447 , 1100 , 31416 , 71215 , 20830 , 836436 , 6127925 , 772419 , 37614607 , 76420787 , 959218156 , 314180481 , 554727074 , 7765273428
n×2
42988050
n×3
64482075
n×4
85976100
n×5
107470125
n÷2
10747012.5
n÷3
7164675
n÷3
5373506.25
n÷5
4298805
n2
461993110700625
n3
9.930091471227E+21
n4
2.1343763433484E+29
n5
4.5876338483339E+36
2 √n
4636.1649021578
3 √n
278.03912721537
4 √n
68.089389057017
5 √n
29.272751766795
1 , 5 , 25 , 189 , 945 , 4549 , 4725 , 22745 , 113725 , 859761 , 4298805 , 21494025
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21494024
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21494025 can be divided by 12 positive divisors.
The sum of these divisors (counting 21494025) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001111111100100001001
3
Ternary
1111110000021000
4
Quaternary
1101333210021
5
Quinary
21000302100
6
Senary
2044405213
8
Octal
121774411
10
Decimal
21494025
12
Duodecimal
7246809
16
Hexadecimal
147f909
20
Vigesimal
6e6f15
36
Base36
csow9
md5
168c5a0bddc73c79e82a910894aa91a4
sha1
65dec9dbd3212a38ce46a0843902f877083b6625
sha256
80c23d4bd69ee015f11659405deed300c28d590421d9d46fb2e2d044ecb8ce7b
sha512
1c2811b0d153f3a5d81b4fc11a4a2e42b1d4ae4776952a34dd267567c20748097c235f88282491d45284701951f355295b55d638f9088f015fb3fb958a60ec98
ripemd-160
221423ea46d8b6a3afc6e2e1de790d358a3a0391
Diameter
42988050
Circumference
135050942.07215
Area
1.4513941625862E+15
Volume
4.1595069887309E+22
Surface area
5.8055766503447E+15
Circumference
135050942.07215
Perimeter
85976100
Area
461993110700625
Diagonal
30397141.664986
Surface area
2771958664203750
Volume
9.930091471227E+21
Space diagonal
37228743.359156
Perimeter
64482075
Area
2.0004888512007E+14
Altitude
18614371.679578
Surface area
2.0004888512007E+14
Volume
1.1702725028512E+21
Height
10132380.554995