21385963 is an odd 8-digits composite number following 21385962
and preceding 21385964 . In scientific notation, it is written as 2.1385963 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 19014912 positive integers (up to 21385963) that are relatively prime to 21385963.
21385963 has 16 divisors, whose sum is 23940000
The reverse of 21385963 is 36958312
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million three hundred eighty-five thousand nine hundred sixty-three
Scientific notation
2.1385963 × 10^7
Engineering notation
2.1385963 × 10^6
Prime Factorization
37 × 19 × 29 × 1049
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21385963
Product of the distinct prime numbers
The prime factorization of 21385963 is 37 × 19 × 29 × 1049.
Since it has a total of 4 prime factors.
1 , 9 , 6 , 59 , 254 , 657 , 7867 , 3803 , 94802 , 2332 , 683154 , 101905 , 6454903 , 991226 , 79627996 , 71788014 , 679461115 , 73957941 , 3857589593 , 8243230879
n×2
42771926
n×3
64157889
n×4
85543852
n×5
106929815
n÷2
10692981.5
n÷3
7128654.3333333
n÷3
5346490.75
n÷5
4277192.6
n2
457359413437369
n3
9.7810714934733E+21
n4
2.0917763305977E+29
n5
4.4734651210439E+36
2 √n
4624.4959725358
3 √n
277.57239352492
4 √n
68.003646759095
5 √n
29.243258428576
1 , 19 , 29 , 37 , 551 , 703 , 1049 , 1073 , 19931 , 20387 , 30421 , 38813 , 577999 , 737447 , 1125577 , 21385963
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
-21385962
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 21385963 can be divided by 16 positive divisors.
The sum of these divisors (counting 21385963) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001100101001011101011
3
Ternary
1111020112000201
4
Quaternary
1101211023223
5
Quinary
20433322323
6
Senary
2042213031
8
Octal
121451353
10
Decimal
21385963
12
Duodecimal
71b4177
16
Hexadecimal
14652eb
20
Vigesimal
6dd4i3
36
Base36
cqdij
md5
22e5b5dd78b59db08aa27b9f89230468
sha1
59f715af6c1636ecaf8d927971b815a256ac7377
sha256
c06b21724fa02b6fac858b65d62bee3cd388121f5b792ef873e1d27f1b565eea
sha512
8f2e765ff960839931a6c1d32d569493bcba2df24e50aa128568c7df96aa2fe686248fabc158933fd2107cbd0e8146c0be4631a50e882b40ca10c08ed1256312
ripemd-160
8276734922a661d5aa22aec62825f519415b6323
Diameter
42771926
Circumference
134371968.50149
Area
1.436836973305E+15
Volume
4.0970856464176E+22
Surface area
5.7473478932199E+15
Circumference
134371968.50149
Perimeter
85543852
Area
457359413437369
Diagonal
30244318.919009
Surface area
2744156480624214
Volume
9.7810714934733E+21
Space diagonal
37041574.484788
Perimeter
64157889
Area
1.9804243534836E+14
Altitude
18520787.242394
Surface area
1.9804243534836E+14
Volume
1.1527103300509E+21
Height
10081439.63967