21253460 is an even 8-digits composite number following 21253459
and preceding 21253461 . In scientific notation, it is written as 2.1253460 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 8501376 positive integers (up to 21253460) that are relatively prime to 21253460.
21253460 has 12 divisors, whose sum is 44632308
The reverse of 21253460 is 06435212
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million two hundred fifty-three thousand four hundred sixty
Scientific notation
2.1253460 × 10^7
Engineering notation
2.1253460 × 10^6
Prime Factorization
2 × 2 × 5 × 1062673
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10626730
Product of the distinct prime numbers
The prime factorization of 21253460 is 2 × 2 × 5 × 1062673.
Since it has a total of 4 prime factors.
1 , 7 , 45 , 78 , 615 , 675 , 3116 , 3661 , 32545 , 41868 , 450047 , 623181 , 2808100 , 5236601 , 36018170 , 24345981 , 521718943 , 900689592 , 1937609405 , 3914107135
n×2
42506920
n×3
63760380
n×4
85013840
n×5
106267300
n÷2
10626730
n÷3
7084486.6666667
n÷3
5313365
n÷5
4250692
n2
451709561971600
n3
9.6003911069809E+21
n4
2.0404152837657E+29
n5
4.3365884616904E+36
2 √n
4610.1475030632
3 √n
276.9979451337
4 √n
67.898067005352
5 √n
29.206931251185
1 , 2 , 4 , 5 , 10 , 20 , 1062673 , 2125346 , 4250692 , 5313365 , 10626730 , 21253460
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
-21253459
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 21253460 can be divided by 12 positive divisors.
The sum of these divisors (counting 21253460) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001000100110101010100
3
Ternary
1110222210021012
4
Quaternary
1101010311110
5
Quinary
20420102320
6
Senary
2035311352
8
Octal
121046524
10
Decimal
21253460
12
Duodecimal
714b558
16
Hexadecimal
1444d54
20
Vigesimal
6cgdd0
36
Base36
cnj9w
md5
82780f7f3a8ed8bd323af002453b5f7b
sha1
67a9bb38f91bf63ef09456b3cbb7210291154ea9
sha256
69f051dbaeef774e4bae9fa24fbb621eb262bc43def768b85964ddded829d26d
sha512
373d2d5b002324441744088e4a11722c3b3b257dc5a98d4da585b178fceed529dbb245f5425c03dcd1f5852014c5cd619f0cbef6b465e014dbfbcff649ad677d
ripemd-160
91fa389a2e7b5ba5bca2917745beda9b9fe0460d
Diameter
42506920
Circumference
133539427.59873
Area
1.4190874414462E+15
Volume
4.021402423104E+22
Surface area
5.676349765785E+15
Circumference
133539427.59873
Perimeter
85013840
Area
451709561971600
Diagonal
30056931.379354
Surface area
2710257371829600
Volume
9.6003911069809E+21
Space diagonal
36812072.556633
Perimeter
63760380
Area
1.9559597789987E+14
Altitude
18406036.278316
Surface area
1.9559597789987E+14
Volume
1.1314169422982E+21
Height
10018977.126451