21453265 is an odd 8-digits composite number following 21453264
and preceding 21453266 . In scientific notation, it is written as 2.1453265 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 17052672 positive integers (up to 21453265) that are relatively prime to 21453265.
21453265 has 8 divisors, whose sum is 25908840
The reverse of 21453265 is 56235412
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million four hundred fifty-three thousand two hundred sixty-five
Scientific notation
2.1453265 × 10^7
Engineering notation
2.1453265 × 10^6
Prime Factorization
5 × 157 × 27329
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21453265
Product of the distinct prime numbers
The prime factorization of 21453265 is 5 × 157 × 27329.
Since it has a total of 3 prime factors.
4 , 8 , 21 , 69 , 371 , 64 , 4276 , 6488 , 51411 , 28912 , 538583 , 868347 , 5537187 , 5361461 , 56948246 , 94931060 , 535446055 , 571773519 , 1070853760 , 3919282575
n×2
42906530
n×3
64359795
n×4
85813060
n×5
107266325
n÷2
10726632.5
n÷3
7151088.3333333
n÷3
5363316.25
n÷5
4290653
n2
460242579160225
n3
9.8737060150078E+21
n4
2.1182323167206E+29
n5
4.544299922217E+36
2 √n
4631.7669414598
3 √n
277.86326367427
4 √n
68.057085901909
5 √n
29.261641112123
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
-21453264
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 21453265 can be divided by 8 positive divisors.
The sum of these divisors (counting 21453265) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001110101100111010001
3
Ternary
1111100221100101
4
Quaternary
1101311213101
5
Quinary
20443001030
6
Senary
2043452401
8
Octal
121654721
10
Decimal
21453265
12
Duodecimal
7227101
16
Hexadecimal
14759d1
20
Vigesimal
6e1d35
36
Base36
crtg1
md5
f921a4934afad28179f49fd379c038aa
sha1
0baa446c4c8b7ff8e70f1914f6de6f28d15eb2e3
sha256
9f1f9f5cf0009e6e0e861a1c723ab765e48b04d2ed0a74c350b6b54196e99cfa
sha512
276b8a4ebb2db75606b3ac76154b4f74750e6657f6794fff8ed85c4ada1cb6235df58a8cfc8043ed3ea4d3ef4f1a8dad6f273de1cf7a1a5133a639b6cd9338d2
ripemd-160
2f9543cd3068814fbcbc50f8e0d02d1146c1c9f0
Diameter
42906530
Circumference
134794839.43903
Area
1.445894705559E+15
Volume
4.1358883040605E+22
Surface area
5.7835788222359E+15
Circumference
134794839.43903
Perimeter
85813060
Area
460242579160225
Diagonal
30339498.320184
Surface area
2761455474961350
Volume
9.8737060150078E+21
Space diagonal
37158144.968239
Perimeter
64359795
Area
1.9929088272801E+14
Altitude
18579072.48412
Surface area
1.9929088272801E+14
Volume
1.1636274131091E+21
Height
10113166.106728