21000460 is an even 8-digits composite number following 21000459
and preceding 21000461 . In scientific notation, it is written as 2.1000460 × 10^7.
The sum of its digits is 13. It has a total of 5 prime factors and 18 positive divisors.
There are 7416576 positive integers (up to 21000460) that are relatively prime to 21000460.
21000460 has 18 divisors, whose sum is 37780764
The reverse of 21000460 is 06400012
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 13
Digital Root 4
Name
twenty-one million four hundred sixty
Scientific notation
2.1000460 × 10^7
Engineering notation
2.1000460 × 10^6
Prime Factorization
2 × 2 × 3835 × 37 × 37
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
283790
Product of the distinct prime numbers
The prime factorization of 21000460 is 2 × 2 × 3835 × 37 × 37.
Since it has a total of 5 prime factors.
9 , 4 , 21 , 11 , 836 , 344 , 1931 , 9544 , 30059 , 67482 , 488421 , 112634 , 832278 , 9666405 , 27287823 , 37484006 , 266505367 , 738192579 , 4677103702 , 3414407840
n×2
42000920
n×3
63001380
n×4
84001840
n×5
105002300
n÷2
10500230
n÷3
7000153.3333333
n÷3
5250115
n÷5
4200092
n2
441019320211600
n3
9.2616085933309E+21
n4
1.944980407999E+29
n5
4.0845483258967E+36
2 √n
4582.6258847957
3 √n
275.89443207598
4 √n
67.695094983283
5 √n
29.137062232166
1 , 2 , 4 , 37 , 74 , 148 , 1369 , 2738 , 3835 , 5476 , 7670 , 15340 , 141895 , 283790 , 567580 , 5250115 , 10500230 , 21000460
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000459
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000460 can be divided by 18 positive divisors.
The sum of these divisors (counting 21000460) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1010000000111000100001100
3
Ternary
1110111221012211
4
Quaternary
1100013010030
5
Quinary
20334003320
6
Senary
2030040204
8
Octal
120070414
10
Decimal
21000460
12
Duodecimal
7049064
16
Hexadecimal
140710c
20
Vigesimal
6b5130
36
Base36
ci424
md5
4f9bcb338e425fb489076901859d6c5e
sha1
3949ea20cdbebe35aacf8c669a407e01e370eb6c
sha256
780c82146fd848f37f336072701cf639ad45b756298eb60860ac63270c1149fe
sha512
3f3c23b94a937e79242460e75179c4da817e4d05a65d911b9173bdc9359de911f2c01b20e2e8d85456d623046613b9ebb544894a11a7bb777b413ca69649a6bc
ripemd-160
b98e149946ec29f1a6c569c1f41efbf2a5cecf0a
Diameter
42000920
Circumference
131949781.71601
Area
1.3855030564679E+15
Volume
3.879493535631E+22
Surface area
5.5420122258717E+15
Circumference
131949781.71601
Perimeter
84001840
Area
441019320211600
Diagonal
29699135.348074
Surface area
2646115921269600
Volume
9.2616085933309E+21
Space diagonal
36373863.702318
Perimeter
63001380
Area
1.9096696743149E+14
Altitude
18186931.851159
Surface area
1.9096696743149E+14
Volume
1.0914910401733E+21
Height
9899711.7826912